Engine Control Module Scan Tool Information (LGH or LML)
WARNING: This page is about a different car, the 2011 GMC Sierra, 2011 GMC Cab & Chassis Sierra, 2011 Chevrolet Silverado, and 2011 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The Engine Control Module Scan Tool Data List contains all engine-related parameters that are available on the scan tool. The list is arranged in alphabetical order. A given parameter may appear in any one of the data lists, and in some cases may appear more than once, or in more than one data list in order to group certain related parameters together.
Use the Engine Scan Tool Data List only after the following is determined:
- The Diagnostic System Check - Vehicle is completed.
- No diagnostic trouble codes (DTCs)
- On-board diagnostics are functioning properly
The scan tool values from a properly running engine may be used for comparison with the engine you are diagnosing. The Engine Scan Tool Data List represents values that would be seen on a normally running engine.
NOTE:
A scan tool that displays faulty data should not be used. The scan tool concern should be reported to the manufacturer. Use of a faulty scan tool can result in misdiagnosis and unnecessary parts replacement.
Only the parameters listed below are referenced in this service manual for use in diagnosis.
Engine Control Module Scan Tool Data (LGH or LML)
| Parameter | System State | Expected Value | Description |
|---|---|---|---|
| Base Operating Conditions: Engine Idling/Radiator Hose Hot/Park or Neutral/Closed Loop/Accessories Off | |||
| 4WD Low Signal | 4WD Low ON | Enabled | This parameter displays the state of the transfer case based on the signal from the four wheel drive (4WD) low switch. The scan tool will display Enabled or Disabled. Enabled indicates the transfer case is in 4WD low gear and the 4WD low switch is closed, completing the low signal circuit. Disabled indicates the transfer case is not in 4WD low gear and the 4WD low switch is open. Invalid indicates there is no 4WD low. |
| 4WD Low OFF | Disabled | ||
| No 4WD Low | Invalid | ||
| 4WD Signal | 4WD ON | Enabled | This parameter displays the state of the transfer case based on the signal from the front axle indicator switch. The scan tool will display Enabled or Disabled. Enabled indicates the front axle is locked in 4WD and the front axle indicator switch is closed, supplying voltage to the controller on the axle switch signal circuit. Disabled indicates the transfer case is not in 4WD and the front axle indicator switch is open. |
| 4WD OFF | Disabled | ||
| 5-volt Reference 1 Circuit Status | - | OK | This parameter will display OK if the circuit is good or Malfunction if a short to ground, short to B+ or open circuit is present. |
| 5-volt Reference 2 Circuit Status | - | OK | This parameter will display OK if the circuit is good or Malfunction if a short to ground, short to B+ or open circuit is present. |
| 5-volt Reference 3 Circuit Status | - | OK | This parameter will display OK if the circuit is good or Malfunction if a short to ground, short to B+ or open circuit is present. |
| 5-volt Reference 4 Circuit Status | - | OK | This parameter will display OK if the circuit is good or Malfunction if a short to ground, short to B+ or open circuit is present. |
| 5-volt Reference 5 Circuit Status | - | OK | This parameter will display OK if the circuit is good or Malfunction if a short to ground, short to B+ or open circuit is present. |
| 5-volt Reference 6 Circuit Status | - | OK | This parameter will display OK if the circuit is good or Malfunction if a short to ground, short to B+ or open circuit is present. |
| A/C Compressor Clutch Relay Command | - | Off | This parameter displays the commanded state of the air conditioning (A/C) compressor output. |
| A/C Compressor Clutch Relay Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the air conditioning (A/C) clutch relay control circuit. It can display OK, Malfunction or Not Run. The parameter displays Malfunction if the A/C clutch relay control circuit is shorted to voltage. |
| A/C Compressor Clutch Relay Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the air conditioning (A/C) clutch relay control circuit. It can display OK, Malfunction or Not Run. The parameter displays Malfunction if the A/C clutch relay control circuit is shorted to ground. |
| A/C Compressor Clutch Relay Control Circuit Open Test Status | - | OK | This parameter displays the state of the air conditioning (A/C) clutch relay control circuit. It can display OK, Malfunction or Not Run. The parameter displays Malfunction if the A/C clutch relay control circuit is opened. |
| A/C Disengage 1-8 History | A/C ON | Reason for A/C Disengagement | This parameter indicates the reason the A/C compressor was disengaged. The reasons displayed are: None, A/C Pressure, Eng Spd, Batt Voltage, Stall Prevention, RPM Unstable, WOT, Launch Perf, Coolant Hot. |
| A/C High Side Pres. Sw. | - | Normal | The scan tool displays High Press./Normal, the state of the A/C high side pressure. |
| A/C High Side Pressure Sensor | A/C OFF | 1.43 Volts | The scan tool displays 0-5 volts. The voltage applied to the ECM input for the A/C refrigerant pressure sensor. |
| A/C ON | 2.39 Volts | ||
| A/C High Side Pressure Sensor | A/C OFF | 500-2,220 kPa (72-31 psi) | The scan tool displays 0-3450 kPa (0-500 psi). The voltage applied to the ECM input from the A/C refrigerant pressure sensor is converted to a pressure value. |
| A/C ON | 300-1,220 kPa (43-17 psi) | ||
| A/C OFF for WOT | A/C ON/WOT | NO | The scan tool displays YES/NO. The state of the A/C request related to wide open throttle. |
| A/C ON/Not WOT | Yes | ||
| A/C Pressure Disable | - | NO | The scan tool displays YES/NO. The state of the A/C refrigerant pressure sensor and circuitry. |
| A/C Request Signal | A/C ON | YES | The scan tool displays YES/NO. The HVAC module receives an input request when the HVAC module is turned On. |
| A/C OFF | NO | ||
| A/C System Refrigerant Monitor Complete | - | Yes | The scan tool displays Yes when the A/C System Refrigerant Monitor is Complete. If the scan tool displays No this could indicate a malfunction in the A/C System Refrigerant Monitor circuit. The A/C system must be turned On for the diagnostic to run. |
| A/C System Refrigerant Monitor Enabled | - | Yes | The scan tool displays Yes when the A/C System Refrigerant Monitor is Enabled. If the scan tool displays No this could indicate a malfunction in the A/C System Refrigerant Monitor circuit. The A/C system must be turned On for the diagnostic to run. |
| Ambient Air Temperature | Varies | Outside temperature at any given altitude expressed in degrees | |
| APP Indicated Angle | Accelerator pedal not actuated | 0% | This parameter displays the angle of the accelerator pedal as calculated by the control module using the signals from the accelerator pedal position sensors. The accelerator pedal position (APP) indicated angle is a range of values indicating a low percentage when the accelerator pedal is not depressed to a high percentage when the accelerator pedal is fully depressed. |
| Accelerator pedal fully actuated | 100% | ||
| APP Sensor 1 | Accelerator pedal not actuated | 0.7-1.2 Volts | This parameter displays the voltage signal sent to the control module from APP sensor 1 of the APP sensor assembly. APP sensor 1 is a range of values indicating a low voltage when the accelerator pedal is not depressed to a high voltage when the accelerator pedal is fully depressed. |
| Accelerator pedal fully actuated | 4.2-4.5 Volts | ||
| APP Sensor 1 and 2 | - | Agree | This parameter displays Disagree if the control module detects the signal voltage from APP sensor 1 is not in correct relationship to APP sensor 2. The scan tool displays Agree under the normal operating conditions. |
| APP Sensor 1 Circuit Status | - | OK | APP Sensor 1 Out of Range indicates that the sensed accelerator pedal position 1 sensor value is currently out of range or that a Malfunction has been detected based upon the sensed accelerator pedal position 1 sensor value being out of range |
| APP Sensor 1 Learned Released Position | - | Volts | This Parameter indicates the accelerator pedal sensor 1 signal at its minimum learned position (pedal released) as a percentage of its reference voltage. (The minimum learned position is automatically updated periodically as determined by the engine control module (ECM). |
| APP Sensor 1 Position | Accelerator pedal not actuated | 0.0% | This parameter displays the angle of the APP sensor 1 as calculated by the control module using the signal from the APP sensor 1. APP sensor 1 is a range of values indicating a low percentage when the accelerator pedal is not depressed to a high percentage when the accelerator pedal is fully depressed. |
| Accelerator pedal fully actuated | 100% | ||
| APP Sensor 2 | Accelerator pedal at rest position | 0.3-0.5 Volts | This parameter displays the voltage signal sent to the control module from APP sensor 2 of the APP sensor assembly. APP sensor 2 is a range of values indicating a low voltage when the accelerator pedal is not depressed to a high voltage when the accelerator pedal is fully depressed. |
| Accelerator pedal at WOT | 2.0-2.5 Volts | ||
| APP Sensor 2 Circuit Status | - | OK | APP Sensor 2 Out of Range indicates that the sensed accelerator pedal position 2 sensor value is currently out of range or that a malfunction has been detected (and latched) based upon the sensed accelerator pedal position 2 sensor value being out of range |
| APP Sensor 2 Learned Released Position | - | Volts | This Parameter indicates the accelerator pedal sensor 2 signal at its minimum learned position (pedal released) as a percentage of its reference voltage. (The minimum learned position is automatically updated periodically as determined by the engine control module (ECM). |
| APP Sensor 2 Position | Accelerator pedal at rest position | 0.0% | This parameter displays the angle of the APP sensor 2 as calculated by the control module using the signal from the APP sensor 2. APP sensor 2 is a range of values indicating a low percentage when the accelerator pedal is not depressed to a high percentage when the accelerator pedal is fully depressed. |
| Accelerator pedal at WOT | 100% | ||
| APP Sensors | - | % | This Parameter contains the accelerator pedal position resulting directly from the settling of differences of the accelerator pedal position sensors (prior to any compensation to determine driver intent). |
| Balancing Rate Cyl. 1-8 | - | Varies | These parameters display the adjustment in fuel volume for each cylinder as calculated by the control module. The scan tool will display a negative balancing rate if the fuel volume is lowered. The scan tool will display a positive balancing rate if the fuel volume is increased. |
| BARO | - | Varies with altitude | This parameter displays the barometric pressure as calculated by the control module using the signal from the MAP sensor measured when the ignition is turned on with the engine not running. The control module will update the barometric pressure during wide-open throttle (WOT) conditions. |
| Base Injector Fuel Rate | - | Varies | It display base calculate rate fuel delivers. The rate is calculated in cubic millimeters. |
| Boost Pressure | - | Varies | This parameter displays the Turbocharger boost pressure in kPa. |
| Boost System Monitor Complete | - | Yes | The scan tool displays Yes when the Boost System Monitor is Complete. If the scan tool displays No this could indicate a malfunction in the Boost System Monitor circuit. |
| Boost System Monitor Complete This Ignition Cycle | - | Yes/No | The scan tool displays Yes when the Boost System Monitor Complete This Ignition Cycle is completed. |
| Boost System Monitor Enabled | - | Yes | The scan tool displays Yes when the Boost System Monitor is Enabled. If the scan tool displays No this could indicate a malfunction in the Boost System Monitor circuit. |
| Brake Pedal Position Circuit Signal | Released | OK/Fault/Invalid | This parameter displays the status of the brake pedal position circuit. |
| Brake Pedal Position Signal | Released | Applied / Release | This parameter displays the status of the brake pedal as determined by the ECM. |
| Camshaft Position Active Counter | - | Counts | This parameter displays a rolling count of the number of primary cam position sensor pulses. A change in the value of this parameter indicates primary cam position sensor activity. |
| Catalyst Monitor Complete | - | Yes | This parameter indicates the status of the Catayst. The scan tool displays Yes when the diagnostic is complete. And No if the diagnostic has Not ran or a malfunction is detected in the Catalyst. |
| Catalyst Monitor Complete This Ignition Cycle | - | Yes/No | This parameter indicates the status of the catalyst monitor diagnostic. Catalyst Monitor Test Running indicates yes or no when the catalyst monitor diagnostic is actively running a test |
| Catalyst Monitor Enabled | - | Yes/No | The scan tool displays Yes when the Catalyst Monitor is Enabled. If the scan tool displays No this could indicate a malfunction in the Catalyst Monitor circuit. |
| Catalyst Monitor Enabled This Ignition Cycle | - | Yes/No | This parameter indicates the status of the catalyst monitor diagnostic. Catalyst Monitor Test Running indicates yes or no when the catalyst monitor diagnostic is actively running a test |
| Change Engine Oil Indicator Command | - | Off | Engine Oil Change Indication On indicates that the change engine oil indication is being requested On in order to inform the driver that the engine oil needs to be changed. |
| Charge Air Cooler Temperature | - | Varies | This parameter displays the charge air cooler temperature measured by a sensor located first in the charge air cooler stream. |
| Component Monitor Complete | - | Yes/NO | This parameter displays Yes when the Component Monitor is Complete. The engine control module looks at many input and output components to make this determination. If a malfunction is detected the scan tool will display NO. |
| Component Monitor Complete This Ignition Cycle | - | No | This parameter displays the component monitor completion status during the current driving/monitoring cycle. |
| Component Monitor Enabled | - | Yes/No | This parameter displays Yes when Component Monitor is Enabled. And No when it is not Enabled. |
| Component Monitor Enabled This Ignition Cycle | - | No | This parameter displays the component monitor completion status during the current driving/monitoring cycle. |
| Compression Test | - | Not Running | This parameter displays the status of the engine compression test. |
| Control Module Voltage Signal | - | B+ | This parameter displays the voltage of the power input to the engine control module. Since battery voltage is not directly measured by engine control module, switched battery voltage from the Run/Crank input to the engine control module is displayed. |
| Cooling Fan Command | - | % | This parameter displays the cooling fan duty cycle. |
| Cooling Fan Control Circuit 2 High Voltage Test Status | - | OK | This parameter displays the state of the cooling fan control circuit 2. The parameter displays Malfunction if the cooling fan control circuit 2 is shorted to voltage. |
| Cooling Fan Control Circuit 2 Low Voltage Test Status | - | OK | This parameter displays the state of the cooling fan control circuit 2. The parameter displays Malfunction if the cooling fan control circuit 2 is shorted to ground. |
| Cooling Fan Control Circuit 2 Open Test Status | - | OK | This parameter displays the state of the cooling fan control circuit 2. The parameter displays Malfunction if the cooling fan control circuit 2 is opened. |
| Cooling Fan Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the cooling fan control circuit. The parameter displays Malfunction if the cooling fan control circuit is shorted to voltage. |
| Cooling Fan Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the cooling fan control circuit. The parameter displays Malfunction if the cooling fan control circuit is shorted to ground. |
| Cooling Fan Control Circuit Open Test Status | - | OK | This parameter displays the state of the cooling fan control circuit. The parameter displays Malfunction if the cooling fan control circuit is opened. |
| Cooling Fan Solenoid Valve Command | - | % | This parameter displays the commanded duty cycle for the cooling fan PWM output for electric PWM or engine driven fan systems. |
| Cooling Fan Speed | - | RPM | This parameter displays the measured fan speed for engine driven fan systems. |
| Cooling Motor Fan Command | - | % | This parameter displays the cooling fan duty cycle. |
| Crank Request Signal | - | No | This parameter displays the state of the crank request input to the control module from the ignition switch. The scan tool will display Yes when the ignition switch is in the Crank position. The scan tool will display No when the ignition switch is in any other position. |
| CKP Active Counter | - | Counts | This parameter displays an incrementing counter when the control module receives a signal from the crankshaft position sensor (CKP). |
| CKP Zone 1 Variation Learn Status | - | Not Learned | This parameter displays Crank wheel Adaption zone 1 Learning status shows the progress for the Crank wheel adaption learning at 900-1449 rpm. Not Learned is displayed at each Ignition Cycle until the ECM learns the new variation values. |
| CKP Zone 2 Variation Learn Status | - | Not Learned | This parameter displays Crank wheel Adaption zone 2 Learning status shows the progress for the Crank wheel adaption learning at 1450-1900 rpm. Not Learned is displayed at each Ignition Cycle until the ECM learns the new variation values. |
| Cruise Control | - | Inactive | This parameter displays the status of the cruise control system as determined by the control module. The scan tool will display Yes when the cruise control system is in control of vehicle speed. The scan tool will display No when the cruise control system is not operating. |
| Cruise Control | - | Disabled | This parameter displays the status of the cruise control system as determined by the control module. The scan tool will display Enabled when the cruise control system is in control of vehicle speed. The scan tool will display Disabled when the cruise control system is not operating. |
| Cruise Cancel Switch | - | Inactive | This parameter displays the status of the cruise control cancel switch |
| Cruise Inhibit Reason | - | None | The parameter displays the reason the cruise control system cannot engage. |
| Cruise On/Off Switch | - | Off | This parameter displays the state of the On/Off switch input to the control module. The scan tool will display On when the cruise On/Off switch is On. The scan tool will display OFF when the cruise ON/OFF switch is OFF. |
| Cruise Resume/Acceleration Switch | - | Inactive | This parameter displays the state of the Resume/Accel switch input to the control module When the cruise control switch is in the On position and the Resume/Accel switch is activated, the scan tool displays On. When the Resume/Accel switch is released the scan tool displays Off. |
| Cruise Set/Coast Switch | - | Inactive | This parameter displays the state of the Set/Coast switch input to the control module from the cruise control system. When the cruise control switch is in the on position and the Set/Coast switch is activated, the scan tool displays On. When the Set/Coast switch is released the scan tool displays Off. |
| Cruise Disengage 1-8 History | Cruise ON | Reason for Cruise Disengagement | These parameters indicate the last 8 reasons the ECM disengaged the cruise control. Reason 1 contains the most recent reason. The reasons may include the following: Brake Pedal Initialize, Cancel, Clutch, Coast Disengage, Coast Speed Low, TAC Inhibit, Accel Rate, Decel Rate, High Speed, Illegal Mode, Low Speed, None, Cruise Sw OFF, Over Set Speed, S/C On Speed Hi, ECM Inhibit, Simul S/C-R/A, TCS, Under Set Speed, DLC Override, Memory DTC, Eng Run Time, Engine Speed, DTC Set, RPM Limit, First Gear, APP Override, Low Voltage, D Whl Spd Low, D Whl Spd Hi, Cruise S/S, Cruise Sw Data, ECT Overtemp, VSES, Trans. DTC, BPP Data, BPP DTC, Park Brake, ACC Inhibit, ACC Brake DTC, ACC Option, ACC Brake Inop, PTO Active. |
| Balancing Rate Cyl 1-8 | - | Varies | These parameters display the adjustment in fuel volume for each cylinder as calculated by the control module. The scan tool will display a negative balancing rate if the fuel volume is lowered. The scan tool will display a positive balancing rate if the fuel volume is increased. |
| Cyl 1-8 Test Time ATDC | - | Varies | This parameter displays the captured time it takes for the crankshaft to travel from Top Dead Center (TDC) to a calculated distance in degrees. The ECM stores the value from the latest performed engine compression test. A longer travel time indicates a bad cylinder. |
| Cyl 1-8 Test Time BTDC | - | Varies | This parameter displays the captured time it takes for the crankshaft to travel a calculated distance in degrees before it reaches Top Dead Center (TDC). The ECM stores the value from the latest performed engine compression test. A shorter travel time indicates a bad cylinder. |
| Cylinder 1-8 Current Misfire Counter | - | Counts | This parameter displays the number of misfires detected for cylinder's 1-8 within the current 100 engine cycle test interval. The set of misfire counters for the individual cylinders are maintained such that if a single misfire is detected over an engine cycle.. |
| Cylinder 1-8 History Misfire Counter | - | Count | This parameter displays the number of misfires detected for cylinder's 1-8 since a misfire failure has been reported. |
| Cylinder 1-8 Injection Timing | - | ° | This parameter displays the start point of the main injection in degrees crank shaft (°CS) relative to Top Dead Center (TDC) of cylinder's 1-8. |
| Cylinder 1-8 Injector Command | - | ms | This parameter displays the total injection time of cylinder's 1-8. Total injection time includes all pilot injections, main injections and post injections. |
| Cylinder 1-8 Injector Control Circuit Status | - | OK | This parameter displays the status of the fuel injector's 1-8 output malfunction for Short circuit from injector high side to ground or system voltage, Short circuit from injector low side to injector low side, Short circuit from injector low side to ground or system voltage, Short circuit from injector high side to low side and Injector open circuit. |
| Cylinder 1-8 Injector Flow Identifier | - | Varies | This parameter is used to correct the injected quantity of each injector When injectors are replaced or exchanged, the Injector Quantity adjustment values of the replaced or exchanged injectors have to be entered into the ECU to ensure acceptable engine performance regarding emissions |
| Cylinder 1-8 Pilot Injection Command | - | On/Off | This parameter displays the pilot injection status information for the injectors. |
| Cylinder 1-8 Post Injection Command | - | ms | This parameter displays the 2nd fuel injection time for Cylinder's 1-8. |
| Cylinder 1-8 Test Engine Speed | - | RPM | This parameter displays the result of the cylinder run-up test. A deviation between the cylinders points to a bad or injured injector. |
| Deceleration Fuel Cut Off | - | Inactive | Decel Fuel Cut Off Active indicates that the conditions to enable DFCO are active and that torque is being reduced by turning off one or more fuel injectors |
| Des. TC Vane Pos. Ctrl. Solenoid | - | Varies | This parameter displays the desired current draw of the turbocharger vane position control solenoid valve as calculated by the control module. The scan tool will display a high value if the solenoid is commanded open, and a lower value when the solenoid is commanded closed. |
| Desired Boost Pressure | - | Varies | This parameter displays the TC Boost pressure as commanded by the control module. This parameter shows the turbocharger boost pressure in kPa. |
| Desired Cooling Fan Speed | - | Varies | This parameter displays the fan idle speed in RPM as commanded by the control module. The control module compensates for various engine loads in order to maintain the desired fan speed at idle. This parameter is not valid unless the engine is running. |
| Desired EGR Cooler Bypass Valve Position | - | % | This parameter displays the desired exhaust gas recirculation (EGR) cooler bypass valve percentage (corrected based upon its learned minimum position). |
| Desired EGR Position | - | 22-28% | This parameter displays the position of the exhaust gas recirculation (EGR) valve commanded by the control module. The scan tool will display 0 percent when the control module is commanding the EGR valve closed. The scan tool will display a higher percentage when the EGR valve is commanded open. |
| Desired Fuel Pressure Regulator 1 Current | - | mA | This parameter displays the desired current for the fuel pressure control metering unit |
| Desired Fuel Rail Pressure | - | Varies | This parameter displays the desired fuel rail pressure as calculated by the control module. This value is calculated based on engine speed, engine load, and sensor inputs. The scan tool will display a higher value at higher engine speeds and loads, and a lower value at idle. |
| Desired Idle Speed | - | 680 RPM | This parameter displays the engine idle speed in RPM as commanded by the control module. The control module compensates for various engine loads in order to maintain the desired engine speed at idle. This parameter is not valid unless the engine is running. |
| Desired Intake Air Flow Valve Position | - | % | This parameter will display the position of the intake air flow valve as a percentage. |
| Desired Turbocharger Vane Position | - | Varies | This parameter displays the position of the turbocharger vane position sensor as the turbocharger vane position is commanded by the control module. The scan tool will display 0 percent when the control module is commanding the vanes open. The scan tool will display a higher percentage when the vanes are commanded closed. |
| Distance Since DTC Cleared | - | Varies | This parameter displays the distance accumulated since an emission diagnostic trouble code was cleared. The scan tool will display increasing distance as the vehicle is driven. |
| Distance Since First Malfunction | - | km/miles | This parameter displays the distance accumulated since first malfunction was captured.This parameter is only meaningful within the context of a failure record or freeze frame. |
| Distance Since Last DPF Regeneration | - | Varies | This parameter will display the amount of vehicle travel after a DPF regeneration. This parameter will be displayed in km/miles. |
| Distance Since Last Malfunction | - | km/miles | This parameter displays the distance accumulated since last malfunction was captured.This parameter is only meaningful within the context of a failure record or freeze frame. |
| Distance This Driving Cycle | - | km/miles | This parameter displays the distance a vehicle has traveled in the current driving cycle. |
| DPF Differential Pressure | - | kPa | This parameter displays the pressure difference between the first and second DPF pressure sensor's. |
| DPF Differential Pressure Sensor | - | Volts | This parameter will display the voltage differential between the front and rear pressures at the DPF as calculated by the ECM. This will be displayed in volts. As the DPF becomes restricted the differential pressure increases and the voltage we get higher. |
| DPF Indicator Command | - | Off | This parameter will display the status of the IPC mounted DPF status light. This parameter will display On/Off. |
| DPF Monitor Complete | - | Yes | This parameter displays the status of the DPF monitor, the parameter displays Yes when the monitor is complete. |
| DPF Monitor Complete This Ignition Cycle | - | Yes | This parameter displays Yes if completion status during the current driving / monitoring cycle of the DPF Monitor is complete. |
| DPF Monitor Enabled | - | Yes | This parameter displays Yes if the enabling conditions are complete. |
| DPF Monitor Enabled This Ignition Cycle | - | Yes | This parameter displays Yes if the enabled status during the current driving / monitoring cycle of the DPF Monitor is complete. |
| DPF Regeneration Inhibit Reason | - | None | This parameter displays the regeneration interruption reason for normal regeneration. |
| DPF Regeneration Reason | - | No reason to Regen | This parameter displays the regeneration demand and completion status. |
| DPF Regeneration Status | - | Regen is not active | This parameter displays the status of the Diesel Particulate regeneration activity. |
| DPF Regenerations Completed | - | 0 | This parameter displays the number of successful regenerations. |
| DPF Soot Accumulation | - | g | This parameter displays the mass of soot in the Diesel Particle Filter measured in grams |
| Drag control Status | - | Inactive | EDC Active (Drag Active) control mode is indicated when the requested torque signal is above the driver requested value while the traction control system signal input is active. |
| Driver Demanded Engine Torque | - | % | This parameter displays the requested torque output of the engine by the driver. |
| Drop Throttle Detected while Traction Control Active | - | No | Drop Throttle Control Mode is indicated when this parameter displays Yes. |
| Drop Throttle Status | - | Inactive | This parameter provides an indication when the controller software determines a condition is present where the vehicle operator has abruptly released the accelerator pedal (drop-throttle) after a period of acceleration. |
| EC Ignition Relay Command | - | ON | This parameter displays the commanded state of the engine control (EC) ignition relay control circuit. The scan tool will display ON or OFF. ON indicates the EC ignition relay control circuit is being grounded by the control module, allowing voltage to other control module circuits and systems. OFF indicates the EC ignition relay is not being commanded ON by the control module. |
| ECM Authentication Status | - | Valid | Authentication Status indicates the result of the comparison between the last received immobilizer response and the expected response calculated by the engine control module (ECM). |
| ECM Challenge Status | - | Valid | This parameter displays the condition of the ECM code challenge to the BCM. |
| ECM Response Source | - | Normal Start | This parameter displays ECM reponse source. |
| ECT Sensor | - | 85-105°C/185-220°F | This parameter displays the temperature of the engine coolant based on the input from the engine coolant temperature (ECT) sensor. When the coolant temperature is low, the scan tool will display a low temperature. When the coolant temperature is high, the scan tool will display a high temperature. |
| EGR/Camshaft Position Monitor Complete | - | Yes/NO | This parameter displays the status of the EGR/Camshaft Position Monitor. The parameter will display Yes when the EGR/Camshaft Position Monitor is complete. |
| EGR/Camshaft Position Monitor Complete This Ignition Cycle | - | Yes/No | This parameter displays the status of the EGR/Camshaft Position Monitor for this Ignition Cycle. The parameter will display Yes when the EGR/Camshaft Position Monitor is complete this Ignition Cycle. |
| EGR/Camshaft Position Monitor Enabled | - | Yes/No | This parameter displays the status of the EGR/Camshaft Position Monitor. The parameter will display Yes when the EGR/Camshaft Position Monitor is Enabled. |
| EGR/Camshaft Position Monitor Enabled This Ignition Cycle | - | Yes/No | This parameter displays the status of the EGR/Camshaft Position Monitor for this Ignition Cycle. The parameter will display Yes when the EGR/Camshaft Position Monitor is Enabled this Ignition Cycle. |
| EGR Control Circuit 1 High Voltage Status | - | OK | This parameter displays the state of the EGR Control circuit 1. The parameter displays Malfunction if the EGR Control circuit 1 is shorted to voltage. |
| EGR Control Circuit 1 Low Voltage Status | - | OK | This parameter displays the state of the EGR Control circuit 1. The parameter displays Malfunction if the EGR Control circuit 1 is shorted to ground. |
| EGR Control Circuit 2 High Voltage Status | - | OK | This parameter displays the state of the EGR Control circuit 2. The parameter displays Malfunction if the EGR Control circuit 2 is shorted to voltage. |
| EGR Control Circuit 2 Low Voltage Status | - | OK | This parameter displays the state of the EGR Control circuit 2. The parameter displays Malfunction if the EGR Control circuit 2 is shorted to ground. |
| EGR Control Circuit Open Test Status | - | OK | This parameter displays the state of the EGR Control circuit. The parameter displays Malfunction if the EGR Control circuit is open. |
| EGR Control Circuit Shorted Test Status | - | OK | This parameter displays the state of the EGR Control circuit. The parameter displays Malfunction if the EGR Control circuit is shorted. |
| EGR Control Driver Overcurrent Detected | - | No | This parameter displays the state of the EGR Control circuit. The parameter displays Yes if the EGR Control Driver Overcurrent is detected. |
| EGR Control Driver Overtemperature Detected | - | No | This parameter displays the state of the EGR Control circuit. The parameter displays Yes if Over Temperature is Detected and that the driver circuit has been shut Off. |
| EGR Control Driver Temperature Dependent Overcurrent Detected | - | No | This parameter displays the state of the EGR Control circuit. The parameter displays Yes if Temperature Dependent over Current Detected and that the driver circuit has been shut Off. |
| EGR Control Driver Undervoltage Detected | - | No | This parameter displays the state of the EGR Control circuit.The parameter displays Yes when the Under Voltage Detected indicates that the entire system voltage is low. |
| EGR Cooler Bypass Valve Command | - | % | This parameter displays the commanded duty cycle for the Exhaust Gas Recirculation Cooler Bypass Valve actuator output. |
| EGR Cooler Bypass Valve Control Circuit 1 High Voltage Test Status | - | OK | This parameter displays the state of the EGR Cooler Bypass Valve Control circuit 1. The parameter displays Malfunction if the EGR Cooler Bypass Valve Control circuit 1 is shorted to voltage. |
| EGR Cooler Bypass Valve Control Circuit 1 Low Voltage Test Status | - | OK | This parameter displays the state of the EGR Cooler Bypass Valve Control circuit 1. The parameter displays Malfunction if the EGR Cooler Bypass Valve Control circuit 1 is shorted to ground. |
| EGR Cooler Bypass Valve Control Circuit 2 High Voltage Test Status | - | OK | This parameter displays the state of the EGR Cooler Bypass Valve Control circuit 2. The parameter displays Malfunction if the EGR Cooler Bypass Valve Control circuit 2 is shorted to voltage. |
| EGR Cooler Bypass Valve Control Circuit 2 Low Voltage Test Status | - | OK | This parameter displays the state of the EGR Cooler Bypass Valve Control circuit 2. The parameter displays Malfunction if the EGR Cooler Bypass Valve Control circuit 2 is shorted to ground. |
| EGR Cooler Bypass Valve Control Circuit Open Test Status | - | OK | This parameter displays the state of the EGR Cooler Bypass Valve Control circuit. The parameter displays Malfunction if the EGR Cooler Bypass Valve Control circuit is open. |
| EGR Cooler Bypass Valve Control Circuit Shorted Test Status | - | OK | This parameter displays the state of the EGR Cooler Bypass Valve Control circuit. The parameter displays Malfunction if the EGR Cooler Bypass Valve Control circuit is shorted. |
| EGR Cooler Bypass Valve Control Driver Overcurrent Detected | - | NO | This parameter displays the state of the EGR Cooler Bypass Valve Control circuit. The parameter displays Yes if the EGR Cooler Bypass Valve Control Driver Overcurrent is detected. |
| EGR Cooler Bypass Valve Control Driver Overtemperature Detected | - | NO | This parameter displays the state of the EGR Cooler Bypass Valve Control circuit. The parameter displays Yes if Over Temperature is Detected and that the driver circuit has been shut Off. |
| EGR Cooler Bypass Valve Control Driver Temperature Dependant Overcurrent Detected | - | NO | This parameter displays the state of the EGR Cooler Bypass Valve Control circuit. The parameter displays Yes if Temperature Dependent over Current Detected and that the driver circuit has been shut Off. |
| EGR Cooler Bypass Valve Control Driver Undervoltage Detected | - | NO | This parameter displays the state of the EGR Cooler Bypass Valve Control circuit.The parameter displays Yes when the Under Voltage Detected indicates that the entire system voltage is low. |
| EGR Cooler Bypass Valve Learned Closed Position | - | Volts | This parameter displays the minimum position learned for Exhaust Gas Recirculation Cooler Bypass Valve position sensor when the EGR Cooler Bypass Valve is closed. |
| EGR Cooler Bypass Valve Learned Open Position | - | Volts | This parameter displays the maximum position learned for EGR Cooler Bypass Valve position sensor when the EGR Cooler Bypass Valve is completely open. |
| EGR Cooler Bypass Valve Position | - | % | This parameter displays the actual exhaust gas recirculation (EGR) cooler bypass valve displacement determined by a position sensor (corrected based upon its learned minimum position). |
| EGR Cooler Bypass Valve Position Sensor | - | Volts | This parameter displays the Exhaust Gas Recirculation Cooler Bypass Valve position sensor input as a percentage of its reference voltage. |
| EGR Cooler Temperature Sensor 1 | - | Varies | This parameter will display the exhaust temperature entering the EGR Cooler. The EGR Temp Sensor 1 temperature will be warmer than the EGR Temp Sensor 2. |
| EGR Cooler Temperature Sensor 2 | - | Varies | This parameter will display the exhaust temperature exiting the EGR Cooler. The EGR Temp Sensor 2 temperature will be cooler than the EGR Temp Sensor 1. |
| EGR Learned Minimum Position | - | 0% | This parameter displays the learned minimum position of the EGR valve as calculated by the control module. The scan tool will display a low value if the current closed EGR position is the same as the last ignition cycle. The scan tool will display a higher value if the EGR valve has closed at a new position. |
| EGR Learned Minimum Position This Ignition Cycle | - | % | This parameter displays the Exhaust Gas Recirculation Sensor Learned Minimum Position. |
| EGR Motor Command | - | % | This parameter displays the commanded duty cycle for the exhaust gas recirculation (EGR) output. |
| EGR Position Sensor | - | 22-28% | This parameter displays EGR valve position as calculated by the control module based on an input from the EGR valve position sensor. The scan tool will display a lower value when the EGR valve is closed, and a higher value when the EGR valve is open. |
| EGR Position Sensor | - | 1.75 Volts | This parameter displays the voltage signal received from the EGR valve position sensor by the control module. The scan tool will display a lower value when the EGR valve is closed, and a higher value when the EGR valve is open. |
| EGR Position Variance | % | - | This parameter displays the EGR position variance from the last learned position. |
| Electric Power management Inhibit reason | - | None | This parameter displays the reason of the Regulated Voltage Control (RVC) override command. RVC lowers system operating voltage to reduce system electrical load and improve fuel economy performance. |
| Engine Calibration Monitoring | - | Not Present | This parameter displays Present when Incorrect Engine Calibration Detected. |
| Engine Calibration Monitoring Identifier | - | Programmed | This parameter displays Programmed when correct Engine Calibration Identified. |
| Engine Controls Ignition Relay Command | - | ON | This parameter displays the state of the control circuit for engine control module power relay as commanded by the engine control module. |
| Engine Controls Ignition Relay Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the Engine Controls Ignition Relay control circuit. The parameter displays Malfunction if the Engine Controls Ignition Relay control circuit is shorted to voltage. |
| Engine Controls Ignition Relay Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the Engine Controls Ignition Relay control circuit. The parameter displays Malfunction if the Engine Controls Ignition Relay control circuit is shorted to ground. |
| Engine Controls Ignition Relay Control Circuit Open Test Status | - | OK | This parameter displays the state of the Engine Controls Ignition Relay control circuit. The parameter displays Malfunction if the Engine Controls Ignition Relay control circuit is open. |
| Engine Controls Ignition Relay Feedback Signal | - | 12.0-14.9 V | This parameter displays the voltage available at the Engine Controls Ignition Relay pin of the engine control module. |
| Engine Load | Varies | This parameter displays the engine load in percent based on inputs to the control module from various engine sensors. The scan tool will display a low percentage when the engine is at idle with little or no load. The scan tool will display a high percentage when the engine is running at a high RPM under a heavy load. | |
| Engine Off Time | - | 0:00:00 Seconds - Varies | This parameter displays the amount of time that has elapsed since the engine was last cycled OFF. |
| Engine Oil Level Switch | OK | This parameter displays the status of the engine oil level switch as determined by the control module. The control module uses this information to turn on the low engine oil lamp if the engine oil level remains approximately 1 quart low for a sufficient amount of time. The scan tool will display Low when the engine oil level is low. The scan tool will display OK when the engine oil level is correct. | |
| Engine Oil Life Remaining | Varies | This parameter displays the amount engine oil life remaining before requiring an oil change based on calculations by the control module. The scan tool will display lower values as the engine oil life approaches 0 miles. | |
| Engine Oil Pressure Sensor | - | Varies | This parameter displays the pressure of the engine oil as calculated by the control module using a signal from the engine oil pressure (EOP) sensor. The scan tool will display oil pressure when the engine is running. The engine oil pressure sensor has a range of values indicating a low value when the oil pressure is low to a high value when the oil pressure is high. |
| Engine Oil Pressure Sensor | - | Varies | This parameter displays the actual engine oil pressure measured by a sensor. |
| Engine Oil Pressure Switch | - | OK | This parameter displays the state of the EOP as determined by the control module. The control module monitors the EOP switch to determine if the EOP is sufficient. The scan tool will display low when the EOP is below a predetermined value. |
| Engine Run Time | Varies | This parameter displays the time elapsed since the engine was started. The scan tool will display the time in hours, minutes and seconds. The engine run time will reset to zero when the engine stops running. | |
| Engine Run Time Since Last DPF Regeneration | - | Varies | This parameter displays the total of time since the last regen. This parameter will be displayed in hours, minutes and seconds. |
| Engine Speed | - | 680 RPM | This parameter displays the speed of the crankshaft as determined by the control module using an input from the CKP sensor. The scan tool will display a high value at high engine speeds and a low value at low engine speeds. |
| Engine Torque | - | Varies | This parameter displays the estimated amount of torque that is delivered from the engine. The scan tool displays engine torque in N.m (lb-ft). The ECM sends the engine torque information to the TCM via the high speed GMLAN serial data line. |
| Exhaust Aftertreatment Fuel Injection Command | - | % | This parameter displays the commanded duty cycle for the Exhaust Fuel Injection output. |
| Exhaust Aftertreatment Fuel Injection Control Circuit Command | - | Off | This parameter displays the status of the Exhaust Aftertreatment Fuel Injection Control Circuit Command. |
| Exhaust Aftertreatment Fuel Injection System | - | Inactive | This parameter displays the activity status of the diesel particulate filter hydrocarbon (HC) injection system. |
| Exhaust Aftertreatment Fuel Injector Control Circuit High Voltage Test Status | - | OK | This parameter displays the status of the output driver for the Exhaust Aftertreatment Fuel Injector control circuits. The parameter displays Malfunction if the Exhaust Aftertreatment Fuel Injector control circuit is shorted to voltage. |
| Exhaust Aftertreatment Fuel Injector Control Circuit Low Voltage Test Status | - | OK | This parameter displays the status of the output driver for the Exhaust Aftertreatment Fuel Injector control circuits. The parameter displays Malfunction if the Exhaust Aftertreatment Fuel Injector control circuit is shorted to ground. |
| Exhaust Aftertreatment Fuel Injector Control Circuit Open Test Status | - | OK | This parameter displays the status of the output driver for the Exhaust Aftertreatment Fuel Injector control circuits. The parameter displays Malfunction if the Exhaust Aftertreatment Fuel Injector control circuit is open. |
| Exhaust Aftertreatment Fuel Injector Control Circuit Shorted Test Status | - | OK | This parameter displays the state of the Exhaust Aftertreatment Fuel Injector Control circuit. The parameter displays Malfunction if the Exhaust Aftertreatment Fuel Injector Control circuit is shorted. |
| Exhaust Aftertreatment Fuel Injector Control Driver Overtemperature Detected | - | OK | This parameter displays the state of the Exhaust Aftertreatment Fuel Injector Control circuit. The parameter displays Yes if the Exhaust Aftertreatment Fuel Injector Control Driver Overtemperature is detected. |
| Exhaust Aftertreatment Fuel Injector High Control Circuit High Voltage Test Status | - | OK | This parameter displays the status of the output driver for the Exhaust Aftertreatment Fuel Injector High control circuits. The parameter displays Malfunction if the Exhaust Aftertreatment Fuel Injector High control circuit is shorted to voltage. |
| Exhaust Aftertreatment Fuel Injector High Control Circuit Low Voltage Test Status | - | OK | This parameter displays the status of the output driver for the Exhaust Aftertreatment Fuel Injector High control circuits. The parameter displays Malfunction if the Exhaust Aftertreatment Fuel Injector High control circuit is shorted to ground. |
| Exhaust Aftertreatment Fuel Injector High Control Driver Overtemperature Detected | - | No | This parameter displays the state of the Exhaust Aftertreatment Fuel Injector High Control circuit. The parameter displays Yes if the Exhaust Aftertreatment Fuel Injector High Control Driver Overtemperature is detected. |
| Exhaust Aftertreatment Monitor Complete | - | No | This parameter displays the state of Exhaust Aftertreatment Monitor. The parameter displays Yes when the Exhaust Aftertreatment Monitor is complete. |
| Exhaust Aftertreatment Monitor Complete This Ignition Cycle | - | No | This parameter displays the state of Exhaust Aftertreatment Monitor Complete This Ignition Cycle. The parameter displays Yes when the Exhaust Aftertreatment Monitor is Complete This Ignition Cycle. |
| Exhaust Aftertreatment Monitor Enabled | - | No | This parameter displays the status of the Exhaust Aftertreatment Monitor. The parameter will display Yes when the Exhaust Aftertreatment Monitor is Enabled. |
| Exhaust Aftertreatment Monitor Enabled This Ignition Cycle | - | No | This parameter displays the status of the Exhaust Aftertreatment Monitor Enabled This Ignition Cycle. The parameter will display Yes when the Exhaust Aftertreatment Monitor is Enabled This Ignition Cycle. |
| Exhaust Brake Switch, if equipped | - | Off | This parameter displays the input status of the exhaust brake switch to the control module. The scan tool will display ON or OFF. ON indicates the exhaust brake switch is closing the exhaust brake request circuit to the control module. OFF indicates the exhaust brake switch is open. |
| Exhaust Gas Sensor Monitor Complete | - | Yes/No | This parameter displays the state of Exhaust Gas Sensor Monitor. The parameter displays Yes when the Exhaust Gas Sensor Monitor is complete. |
| Exhaust Gas Sensor Monitor Complete This Ignition Cycle | - | Yes/No | This parameter displays the state of Exhaust Gas Sensor Monitor Complete This Ignition Cycle. The parameter displays Yes when the Exhaust Gas Sensor Monitor is Complete This Ignition Cycle. |
| Exhaust Gas Sensor Monitor Enabled | - | Yes/No | This parameter displays the status of the Exhaust Gas Sensor Monitor. The parameter will display Yes when the Exhaust Gas Sensor Monitor is Enabled. |
| Exhaust Gas Sensor Monitor Enabled This Ignition Cycle | - | Yes/No | This parameter displays the status of the Exhaust Gas Sensor Monitor Enabled This Ignition Cycle. The parameter will display Yes when the Exhaust Gas Sensor Monitor is Enabled This Ignition Cycle. |
| Exhaust Gas Temperature Sensor 1 | - | Varies | This parameter will display the exhaust temperature before the DPF. When the exhaust temperature is low, the scan tool will display a low temperature. When the exhaust temperature is high, the scan tool will display a high temperature. |
| Exhaust Gas Temperature Sensor 2 | - | Varies | This parameter will display the exhaust temperature before the DPF. When the exhaust temperature is low, the scan tool will display a low temperature. When the exhaust temperature is high, the scan tool will display a high temperature. |
| Exhaust Gas Temperature Sensor 3 | - | Varies | This parameter will display the exhaust temperature before the DPF. When the exhaust temperature is low, the scan tool will display a low temperature. When the exhaust temperature is high, the scan tool will display a high temperature. |
| Exhaust Gas Temperature Sensor 4 | - | Varies | This parameter will display the exhaust temperature before the DPF. When the exhaust temperature is low, the scan tool will display a low temperature. When the exhaust temperature is high, the scan tool will display a high temperature. |
| Extended Travel Brake Pedal Position Signal | Released | - | This parameter displays the status of the Extended Travel Brake Pedal Position sensor. |
| Exterior PTO Vehicle Start Request Signal | - | NO | Power Take Off Remote Engine Start Request indicates the state of the request received over serial communication from the power take off (PTO) system to start the engine in remote mode. |
| FRP Regulator Command | - | 35-40% | This parameter displays the fuel rail pressure regulator duty cycle as commanded by the control module. The scan tool will display a lower value for a higher commanded fuel pressure, and a higher value for a lower commanded fuel pressure. |
| Fuel Consumed Since Last DPF Replacement | - | Liters | This parameter displays the amount of Fuel Consumed Since Last DPF Replacement. |
| Fuel Consumption Rate | - | L/H | This parameter displays the amount of fuel consumed by engine per unit of time in liters per hour. NOTE: Engine Fuel Rate shall indicate zero L/h when the engine is not running. |
| Fuel Filter Life Remaining | - | Varies | This parameter displays the fuel filter life remaining before requiring an fuel filter change. This number is calculated by the control module based on many inputs and is displayed as a percent. The lower the percentage, the sooner the next fuel filter change will be required. |
| Fuel Filter Pressure Switch | - | OK | This parameter displays the Fuel Filter Pressure switch status. The Fuel Filter Pressure switch displays OK when no malfuction is detected. |
| Fuel Level Sensor | - | Varies | This parameter displays the voltage from the sensor used to monitor the fuel level inside the fuel tank. The scan tool will display a low voltage reading when that the fuel level in the tank is low or near empty. The scan tool will display a high voltage reading when the fuel level in the tank is high or near full. |
| Fuel Level Sensor Rear Tank | - | Varies | This parameter displays the voltage from the sensor used to monitor the fuel level inside the fuel tank. The scan tool will display a low voltage reading when that the fuel level in the tank is low or near empty. The scan tool will display a high voltage reading when the fuel level in the tank is high or near full. |
| Fuel Pressure Regulator 1 Command | - | % | This parameter displays the Fuel Pressure Regulator 1 duty cycle as commanded by the engine control module.. |
| Fuel Pressure Regulator 1 Control Circuit High Voltage Test Status | - | OK | This parameter displays the status of the output driver for the Fuel Pressure Regulator 1 Control Circuit High. The parameter displays Malfunction if the Fuel Pressure Regulator 1 Control Circuit High is shorted to voltage. |
| Fuel Pressure Regulator 1 Control Circuit Low Voltage Test Status | - | OK | This parameter displays the status of the output driver for the Fuel Pressure Regulator 1 Control Circuit High. The parameter displays Malfunction if the Fuel Pressure Regulator 1 Control Circuit High is shorted to ground. |
| Fuel Pressure Regulator 1 Control Circuit Open Test Status | - | OK | This parameter displays the status of the output driver for the Fuel Pressure Regulator 1 Control Circuit High. The parameter displays Malfunction if the Fuel Pressure Regulator 1 Control Circuit High is open. |
| Fuel Pressure Regulator 1 Control Circuit Shorted Test Status | - | OK | This parameter displays the status of the output driver for the Fuel Pressure Regulator 1 Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 1 Circuit is shorted. |
| Fuel Pressure Regulator 1 Control Driver Overtemperature Detected | - | No | This parameter displays the state of the Fuel Pressure Regulator 1 Control Driver circuit. The parameter displays Yes if the Fuel Pressure Regulator 1 Control Driver Overtemperature is detected. |
| Fuel Pressure Regulator 1 Current | - | mA | This parameter displays the actual current for the Fuel Pressure Regulator 1. |
| Fuel Pressure Regulator 1 High Control Circuit Command | - | On | This parameter displays the status of the Fuel Pressure Regulator 1 High Control Circuit Command. The parameter displays ON when the Fuel Pressure Regulator 1 High Control Circuit is Commanded ON by the engine control module. |
| Fuel Pressure Regulator 1 High Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the Fuel Pressure Regulator 1 High Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 1 High Control Circuit is shorted to voltage. |
| Fuel Pressure Regulator 1 High Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the Fuel Pressure Regulator 1 High Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 1 High Control Circuit is shorted to ground. |
| Fuel Pressure Regulator 1 High Control Driver Overtemperature Detected | - | No | This parameter displays the state of the Fuel Pressure Regulator 1 High Control Driver circuit. The parameter displays Yes if the Fuel Pressure Regulator 1 High Control Driver Overtemperature is detected. |
| Fuel Pressure Regulator 2 Command | - | % | This parameter displays the Fuel Rail Pressure Regulator 2 duty cycle. |
| Fuel Pressure Regulator 2 Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the Fuel Pressure Regulator 2 Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 2 Control Circuit is shorted to voltage. |
| Fuel Pressure Regulator 2 Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the Fuel Pressure Regulator 2 Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 2 Control Circuit is shorted to ground. |
| Fuel Pressure Regulator 2 Control Circuit Open Test Status | - | OK | This parameter displays the state of the Fuel Pressure Regulator 2 Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 2 Control Circuit is open. |
| Fuel Pressure Regulator 2 Control Circuit Shorted Test Status | - | OK | This parameter displays the state of the Fuel Pressure Regulator 2 Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 2 Control Circuit is shorted. |
| Fuel Pressure Regulator 2 High Control Circuit Command | - | ON/OFF | This parameter displays the status of the Fuel Pressure Regulator 2 High Control Circuit Command. The parameter displays ON when the Fuel Pressure Regulator 2 High Control Circuit is Commanded ON by the engine control module. |
| Fuel Pressure Regulator 2 High Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the Fuel Pressure Regulator 2 High Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 2 High Control Circuit is shorted to voltage. |
| Fuel Pressure Regulator 2 High Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the Fuel Pressure Regulator 2 High Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 2 High Control Circuit is shorted to ground. |
| Fuel Pressure Regulator 2 High Control Driver Overtemperature Detected | - | No | This parameter displays the state of the Fuel Pressure Regulator 2 High Control Driver circuit. The parameter displays Yes if the Fuel Pressure Regulator 2 High Control Driver Overtemperature is detected. |
| Fuel Pump Relay Command | - | Varies with fuel level | This parameter displays the commanded state of the fuel pump relay control circuit. The fuel pump relay should be on when the scan tool indicates the Fuel Pump Relay Command is On. The fuel pump relay should be off when the scan tool indicates the Fuel Pump Relay Command is Off. |
| Fuel Pump Relay Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the Fuel Pump Relay Control Circuit. The parameter displays Malfunction if the Fuel Pump Relay Control Circuit is shorted to voltage. |
| Fuel Pump Relay Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the Fuel Pump Relay Control Circuit. The parameter displays Malfunction if the Fuel Pump Relay Control Circuit is shorted to ground. |
| Fuel Pump Relay Control Circuit Open Test Status | - | OK | This parameter displays the state of the Fuel Pump Relay Control Circuit. The parameter displays Malfunction if the Fuel Pump Relay Control Circuit is open. |
| Fuel Rail Pressure Sensor | - | 35-40 MPa (5076-5801 psi) | This parameter displays the fuel rail pressure as calculated by the control module. This value is calculated based on engine speed, engine load, and sensor inputs. The scan tool will display a higher value at higher engine speeds and loads, and a lower value at idle. |
| Fuel Rail Pressure Sensor | - | Varies | This parameter displays the voltage signal sent to the control module from the sensor used to measure the fuel rail pressure. The scan tool will display a low voltage at idle and high voltage when pressure demands are high. |
| Fuel Rail Temperature Sensor | - | Varies | This parameter displays the fuel rail temperature measured by a sensor located in the fuel stream (flowing from the tank to the fuel injectors). |
| Fuel System Monitor Complete | - | Yes | This parameter displays the status of the Fuel System Monitor. The scan tool displays Yes when test is completed. |
| Fuel System Monitor Complete This Ignition Cycle | - | Yes | This parameter displays the state of the Fuel System Monitor Complete This Ignition Cycle. The parameter displays Yes when the Fuel System Monitor is Complete This Ignition Cycle. |
| Fuel System Monitor Enabled | - | Yes | This parameter displays the status of the Fuel System Monitor. The parameter will display Yes when the Fuel System Monitor is Enabled. |
| Fuel System Monitor Enabled This Ignition Cycle | - | Yes/No | This parameter displays the status of the Fuel System Monitor Enabled This Ignition Cycle. The parameter will display Yes when the Fuel System Monitor is Enabled This Ignition Cycle. |
| Fuel Tank Rated Capacity | - | Varies | This parameter displays the capacity of the fuel tank in liters or gallons. The rated capacity displayed by the scan tool will vary with vehicle type. |
| Fuel Temperature Sensor | - | Varies | This parameter displays the current fuel temperature as calculated by the control module based on input from the fuel temperature sensor. The scan tool will display a higher value at higher fuel temperatures. The scan tool will display a lower value at lower fuel temperatures. |
| Fuel Transfer Pump Relay Command (If Equipped) | - | Varies with Fuel Level | This parameter displays the commanded state of the fuel pump relay control circuit. The fuel pump relay should be ON when the scan tool indicates the fuel pump relay command is ON. The fuel pump relay should be OFF when the scan tool indicates the fuel pump relay command is OFF. |
| Fuel Transfer Pump Relay Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the Fuel Transfer Pump Relay Control Circuit. The parameter displays Malfunction if the Fuel Transfer Pump Relay Control Circuit is shorted to voltage. |
| Fuel Transfer Pump Relay Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the Fuel Transfer Pump Relay Control Circuit. The parameter displays Malfunction if the Fuel Transfer Pump Relay Control Circuit is shorted to ground. |
| Fuel Transfer Pump Relay Control Circuit Open Test Status | - | OK | This parameter displays the state of the Fuel Transfer Pump Relay Control Circuit. The parameter displays Malfunction if the Fuel Transfer Pump Relay Control Circuit is open. |
| Fuel Used Since Last DPF Regeneration | - | Varies | This parameter will display the amount of fuel used since last regeneration of the exhaust particulate filter. |
| GEN F-Terminal Signal | - | 0-100% | This parameter indicates the generator field duty cycle as commanded by the voltage regulator or control module. The scan tool will display a higher value for a higher commanded generator output, and a lower value for a lower commanded generator output. |
| Generator L-Terminal Circuit High Voltage Test Status | - | OK | This parameter displays the diagnostic state of the Gen L-Terminal circuit. The scan tool will display OK, Incomplete, Short B+/Open, Short Gnd. The scan tool will display OK if the circuit is operating correctly. |
| Generator L-Terminal Circuit Low Voltage Test Status | - | OK | This parameter displays the diagnostic state of the Gen L-Terminal circuit. The scan tool will display OK, Incomplete, Short B+/Open, Short Gnd. The scan tool will display OK if the circuit is operating correctly. |
| GEN L-Terminal Circuit Open Test Status | - | OK | This parameter displays the diagnostic state of the Gen L-Terminal circuit. The scan tool will display OK, Incomplete, Short B+/Open, Short Gnd. The scan tool will display OK if the circuit is operating correctly. |
| GEN L-Terminal Command | - | 0-100% | This parameter displays the control modules commanded state of the voltage regulator on the generator. |
| Generator L-Terminal Signal Command | - | On/Off | This parameter displays the commanded state of the generator L-terminal output. |
| Glow Plug Command | - | OFF | This parameter displays the voltage supply to the glow plugs as measured by the control module. The scan tool will display a higher value at high voltages, or a lower value at lower voltages. |
| High Idle Speed | - | Inactive | This parameter displays the Fast Idle speed. Active indicates that fast idle engine speed control is active. |
| High Idle Switch | - | Off | This parameter displays the state of the high idle request input to the control module from the high idle switch. The scan tool will display ON or OFF. ON indicates the control module is receiving a request from the high idle switch to increase engine speed. OFF indicates the control module is not receiving a request from the high idle switch to increase engine speed. |
| HO2S 1 | - | Volts | This parameter displays the voltage output from the HO2S 1 to the engine control module. A lower voltage indicates a lean exhaust, while a higher voltage indicates a rich exhaust. |
| HO2S 2 | - | Volts | This parameter displays the voltage output from the HO2S 2 to the engine control module. A lower voltage indicates a lean exhaust, while a higher voltage indicates a rich exhaust. |
| IAT Sensor 1 | - | Varies | This parameter displays the temperature of the air entering the engine as calculated by the control module based on the input from the intake air temperature (IAT) sensor. The scan tool will display a low value when the air temperature is low, and a high value when the air temperature is high. |
| IAT Sensor 2 | - | Varies | This parameter displays the temperature of the air entering the engine as calculated by the control module based on the input from the intake air temperature (IAT) sensor 2. The scan tool will display a low value when the air temperature is low, and a high value when the air temperature is high. |
| Ignition Accessory Signal | - | OFF | This parameter displays the state of the ignition 0 input to the control module from the ignition switch. The scan tool will display On when the ignition switch is in the ignition accessory position. The scan tool will display Off when the ignition switch is in any other position. |
| Ignition Cycles with Malfunction Since 1st Malfunction | - | Counts | This parameter displays the number of ignition cycles with a malfunction detected since the first ignition cycle with a malfunction detected. |
| Ignition Cycles without Completed Test Since 1st Malfunction | - | Counts | This parameter displays the number of ignition cycles without a pass or a malfunction reported since the first ignition cycle with a malfunction reported. |
| Ignition Cycles without Malfunction Since Last Malfunction | - | Counts | This parameter displays the number of ignition cycles with a pass reported and no malfunctions reported since the first ignition cycle with a malfunction reported |
| Immobilizer Auto Learn Counter | - | Counts | This parameter displays the number of auto learn cycles that have been successfully completed within the immobilizer system. |
| Immobilizer Automatic Learn Timer | - | hh.mm.ss | This parameter indicates that either the auto learn timer (used in the auto learn procedure to enable VTD password learning) or the seed and key timer (used in the seed and key procedure to enable VTD password learning) is active. |
| Immobilizer Password Learn | - | Disabled | This indicates learning of the Immobilizer password received from the platform electronics is enabled. Immobilizer password learning is first enabled in assembly plant (prior to the manufacturer's enable counter being set to zero) may be re-enabled using 1 of 2 procedures. |
| Immobilizer Password Learn Scan Tool Delay | - | Active/Inactive | Scan Tool Learn Delay Active indicates that the security code has been accepted but the scan tool learn delay is active and will not allow learning enabled, programming security code, or resetting security code. |
| Immobilizer Security Code Accepted | - | Yes | This parameter displays if the Immobilizer Security code was accepted by the ECM. |
| Immobilizer Security Code Lockout | - | Inactive | This parameter displays if the Immobilizer Security code is locked out of the ECM. |
| Immobilizer Security Code Programmed | - | Yes | This parameter displays if the Immobilizer Security code is currently being programmed in the ECM. |
| Immobilizer Security Information Programmed | - | Yes | This parameter displays if the Immobilizer Security code has been programmed in the ECM. |
| Immobilizer System Status | - | Varies | This parameter displays the Immobilizer System status in the BCM. |
| Immobilizer Valid Response Received Time | - | ms | This parameter displays the actual time observed for a valid immobilizer response. |
| Induction System Leak Indication | - | :1 | This parameter displays the ratio of desired intake air flow and the actual intake air flow as determined by the MAF Sensor. This parameter can help determine if there is an air leak in the intake air stream due to a misaligned or damaged intake air stream component. |
| Injection Pump Cam Reference Signal Missed | - | Counts | This parameter will display the number of reference signals missed. |
| Injector Timing | - | Varies | Indicates the current timing of the main injection pulse as calculated by the control module. The scan tool will display a higher value for a main injection event farther from top dead center (TDC). The Scan tool will display a lower value for a main injection event closer to TDC. |
| Inspection/Maintenance Drive Cycle Complete | - | No | Inspection/Maintenance Drive Cycle Complete means that all required components of the standard drive cycle have completed. |
| Inspection/Maintenance Drive Cycle Idle Time Complete | - | No | Inspection/Maintenance Drive Cycle Idle Time Complete indicates that the engine idle time requirement is complete. |
| Inspection/Maintenance Drive Cycle Idle Timer | - | hh.mm.ss | This parameter displays the Inspection/Maintenance Drive Cycle Idle Timer. |
| Inspection/Maintenance Drive Cycle Propulsion System Active Time Complete | - | No | This parameter displays the Inspection/Maintenance Drive Cycle Propulsion System Active Time Complete. The parameter displays Yes when the Inspection/Maintenance Drive Cycle Propulsion System Active Time is Complete. |
| Inspection/Maintenance Drive Cycle Propulsion System Active Timer | - | hh.mm.ss | This parameter displays the total accumulated time in which the propulsion system has been active after the 1st time the engine is started. |
| Inspection/Maintenance Drive Cycle Vehicle Speed Time Complete | - | NO | This parameter displays Yes when the Vehicle Speed Time Complete indicates that the vehicle has been above 25 mph for five minutes. |
| Inspection/Maintenance Drive Cycle Vehicle Speed Timer | - | hh.mm.ss | This parameter displays the total accumulated time in which the vehicle speed has been greater than 25 mph after the 1st time the engine is started. |
| Intake Air Flow Valve Control Circuit 1 High Voltage Test Status | - | OK | This parameter displays the status of the Intake Air Flow Valve Control Circuit 1 output driver. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is a short to voltage in the circuit. |
| Intake Air Flow Valve Control Circuit 1 Low Voltage Test Status | - | OK | This parameter displays the status of the Intake Air Flow Valve Control Circuit 1 output driver. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is a short to ground in the circuit. |
| Intake Air Flow Valve Control Circuit 2 High Voltage Test Status | - | OK | This parameter displays the status of the Intake Air Flow Valve Control Circuit 2 output driver. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is a short to voltage in the circuit. |
| Intake Air Flow Valve Control Circuit 2 Low Voltage Test Status | - | OK | This parameter displays the status of the Intake Air Flow Valve Control Circuit 2 output driver. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is a short to ground in the circuit. |
| Intake Air Flow Valve Control Circuit Open Test Status | - | OK | This parameter displays the status of the Intake Air Flow Valve Control Circuit. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is a open in the circuit. |
| Intake Air Flow Valve Control Circuit Shorted Test Status | - | OK | This parameter displays the status of the Intake Air Flow Valve Control Circuit. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is a short in the circuit. |
| Intake Air Flow Valve Control Driver Overcurrent Detected | - | No | This parameter displays the status of the Intake Air Flow Valve Control driver. The scan tool will display Yes when an overcurrent is detected. |
| Intake Air Flow Valve Control Driver Overtemperature Detected | - | No | This parameter displays the status of the Intake Air Flow Valve Control driver. The scan tool will display Yes when overtemperature is detected. |
| Intake Air Flow Valve Control Driver Temperature Dependent Overcurrent Detected | - | No | This parameter displays the status of the Intake Air Flow Valve Control driver. The scan tool will display Yes when Temperature Dependent Overcurrent is detected. |
| Intake Air Flow Valve Control Driver Undervoltage Detected | - | No | This parameter displays the status of the Intake Air Flow Valve Control driver. The scan tool will display Yes when Undervoltage is detected. |
| Intake Air Flow Valve Learned Closed Position | - | % | This parameter displays the minimum position learned for Intake Air Flow Valve position sensor when the Intake Air Flow Valve is closed. |
| Intake Air Flow Valve Motor Command | - | % | This parameter displays the commanded duty cycle for the Intake Airflow Valve output. |
| Intake Air Flow Valve Position | - | % | This parameter displays the position determined from Intake Air Flow Valve position sensor (corrected based upon its learned minimum position). |
| Intake Air Flow Valve Position Sensor | - | Volts | This parameter displays the Intake Air Flow Valve position sensor voltage input. |
| Intake Air Heater Command | - | Off | This parameter displays the status of the Intake Air Heater Command. |
| Intake Air Heater Command | - | % | This parameter displays duty cycle of the IAH as commanded by the control module. |
| Intake Manifold Pressure | - | kPa | This parameter displays the engine intake manifold vacuum pressure calculated as the difference between ambient air pressure (barometric pressure) and intake manifold absolute pressure (MAP). |
| Low Engine Oil Level Indicator Command (If Equipped) | - | Off | This parameter displays the Engine Oil Level Low Indicator Command. The scan tool displays ON in order to inform the driver of a low engine oil level condition. |
| Low Engine Oil Pressure Indicator Command | - | Off | This parameter displays the Low Engine Oil Indicator Command. The scan tool displays ON in order to inform the driver of a low engine oil pressure condition. |
| MAF Sensor | Engine Idling | 9-20 g/s | This parameter indicates the quantity calculated by the control module based on a signal from the MAF sensor. The scan tool will display a high value at high engine speeds, and a low value at low engine speeds. |
| Engine speed at 2,500 RPM | 130-150 g/s | ||
| MAF Sensor | - | 2300-3100 Hz | This parameter indicates the frequency signal received from the MAF sensor by the control module. The scan tool will display a high value at high engine speeds, and a low value at low engine speeds. |
| Main-Injection | - | Inactive | Main Injection Active indicates that main injection is active. (Does not indicate individual main injection pulses, rather that the fuel control system is using main injections |
| MAP Sensor | - | 0.95-1.06 Volts | This parameter indicates the voltage signal received by the control module from the MAP sensor. The scan tool displays a low voltage at idle, and a high voltage at wide open throttle. Barometric pressure and altitude can effect these values. |
| MAP Sensor | - | kPa | This parameter displays the actual engine intake manifold absolute pressure (MAP). |
| MIL Command | - | Off | This parameter displays the commanded state of the malfunction indicator lamp (MIL) control circuit by the engine control module. |
| MIL Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the MIL control circuit. The parameter displays Malfunction if the MIL control circuit is shorted to voltage. |
| MIL Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the MIL control circuit. The parameter displays Malfunction if the MIL control circuit is shorted to ground. |
| MIL Control Circuit Open Test Status | - | OK | This parameter displays the state of the MIL control circuit. The parameter displays Malfunction if the MIL control circuit is open. |
| MIL Request | - | No | This parameter displays the commanded state of the malfunction indicator lamp (MIL) control circuit by the engine control module. |
| MIL Requested by DTC | - | No | This parameter indicates the reason the control module illuminated the MIL. The scan tool will display Yes when the MIL is requested as a result of an A or B type DTC. The scan tool will display No if the MIL is illuminated for another reason, such as transmission DTCs. |
| Misfire Monitor Complete | - | No | This parameter displays the status of the Misfire Monitor. The parameter will display Yes when the Misfire Monitor is Complete. |
| Misfire Monitor Complete This Ignition Cycle | - | Varies | This parameter displays the diagnostic monitor enable status during the current driving/monitoring cycle. |
| Misfire Monitor Enabled | - | No | This parameter displays the status of the Misfire Monitor. The parameter will display Yes when the Misfire Monitor is Enabled. |
| Misfire Monitor Enabled This Ignition Cycle | - | Varies | This parameter displays the diagnostic monitor enable status during the current driving/monitoring cycle. |
| NOx Sensor 1 Heater Circuit Open Test Status | - | OK | This parameter displays the state of the NOx Sensor 1 Heater Circuit. The parameter displays Malfunction if the NOx Sensor 1 Heater Circuit is open. |
| NOx Sensor 1 Heater Circuit Shorted Test Status | - | OK | This parameter displays the state of the NOx Sensor 1 Heater Circuit. The parameter displays Malfunction if the NOx Sensor 1 Heater Circuit is shorted. |
| NOx Sensor 1 Heater Command | - | Off | This parameter displays the state of the control circuit for NOx Sensor 1 Heater as commanded by the engine control module. |
| NOx Sensor 1 Heater Mode | - | Varies | This parameter displays the status of the NOx Sensor 1 Heater. |
| NOx Sensor 1 Heater Operation | - | Allowed | This parameter displays the state of the NOx Sensor 1 Heater Operation. The parameter displays Allowed when commanded by the engine control module. |
| NOx Sensor 1 Heater Resistance | - | Ω | This parameter displays the resistance value of the NOx sensor 1 heater. |
| NOx Sensor 1 NOx Concentration | - | ppm | This parameter displays the concentration of NOx in the exhaust gas. |
| NOx Sensor 1 NOx Signal Circuit Open Test Status | - | OK | This parameter displays the state of the NOx Sensor 1 NOx Signal Circuit. The parameter displays Malfunction if the NOx Sensor 1 NOx Signal circuit is open. |
| NOx Sensor 1 NOx Signal Circuit Shorted Test Status | - | OK | This parameter displays the state of the NOx Sensor 1 NOx Signal Circuit. The parameter displays Malfunction if the NOx Sensor 1 NOx Signal circuit is shorted. |
| NOx Sensor 1 Oxygen Concentration | - | % | This parameter displays the concentration of Oxygen in the exhaust gas from NOx sensor 1. |
| NOx Sensor 1 Oxygen Signal Circuit 1 Open Test Status | - | OK | This parameter displays the state of the NOx Sensor 1 Oxygen Signal Circuit 1. The parameter displays Malfunction if the NOx Sensor 1 Oxygen Signal Circuit 1 is open. |
| NOx Sensor 1 Oxygen Signal Circuit 1 Shorted Test Status | - | OK | This parameter displays the state of the NOx Sensor 1 Oxygen Signal Circuit 1. The parameter displays Malfunction if the NOx Sensor 1 Oxygen Signal Circuit 1 is shorted. |
| NOx Sensor 1 Oxygen Signal Circuit 2 Open Test Status | - | OK | This parameter displays the state of the NOx Sensor 1 Oxygen Signal Circuit 2. The parameter displays Malfunction if the NOx Sensor 1 Oxygen Signal Circuit 2 is open. |
| NOx Sensor 1 Oxygen Signal Circuit 2 Shorted Test Status | - | OK | This parameter displays the state of the NOx Sensor 1 Oxygen Signal Circuit 2. The parameter displays Malfunction if the NOx Sensor 1 Oxygen Signal Circuit 2 is shorted. |
| NOx Sensor 2 Heater Circuit Open Test Status | - | OK | This parameter displays the state of the NOx Sensor 2 Heater Circuit 2. The parameter displays Malfunction if the NOx Sensor 2 Heater Circuit is open. |
| NOx Sensor 2 Heater Circuit Shorted Test Status | - | OK | This parameter displays the state of the NOx Sensor 2 Heater Circuit 2. The parameter displays Malfunction if the NOx Sensor 2 Heater Circuit is shorted. |
| NOx Sensor 2 Heater Command | - | Off | This parameter displays the state of the control circuit for NOx Sensor 2Heater as commanded by the engine control module. |
| NOx Sensor 2 Heater Mode | - | Varies | This parameter displays the status of the NOx Sensor 2Heater. |
| NOx Sensor 2 Heater Operation | - | Allowed | This parameter displays the state of the NOx Sensor 2 Heater Operation. The parameter displays Allowed when commanded by the engine control module. |
| NOx Sensor 2 Heater Resistance | - | Ω | This parameter displays the resistance value of the NOx sensor 1 heater. |
| NOx Sensor 2 NOx Concentration | - | % | This parameter displays the concentration of NOx in the exhaust gas from NOx sensor 2. |
| NOx Sensor 2 NOx Signal Circuit Open Test Status | - | OK | This parameter displays the state of the NOx Sensor 2 NOx Signal Circuit. The parameter displays Malfunction if the NOx Sensor 2 NOx Signal Circuit is open. |
| NOx Sensor 2 NOx Signal Circuit Shorted Test Status | - | OK | This parameter displays the state of the NOx Sensor 2 NOx Signal Circuit. The parameter displays Malfunction if the NOx Sensor 2 NOx Signal Circuit is shorted. |
| NOx Sensor 2 Oxygen Concentration | - | % | This parameter displays the concentration of Oxygen in the exhaust gas from NOx sensor 2. |
| NOx Sensor 2 Oxygen Signal Circuit 1 Open Test Status | - | OK | This parameter displays the state of the NOx Sensor 2 Oxygen Signal Circuit 1. The parameter displays Malfunction if the NOx Sensor 2 Oxygen Signal Circuit 1 is open. |
| NOx Sensor 2 Oxygen Signal Circuit 1 Shorted Test Status | - | OK | This parameter displays the state of the NOx Sensor 2 Oxygen Signal Circuit 1. The parameter displays Malfunction if the NOx Sensor 2 Oxygen Signal Circuit 1 is shorted. |
| NOx Sensor 2 Oxygen Signal Circuit 2 Open Test Status | - | OK | This parameter displays the state of the NOx Sensor 2 Oxygen Signal Circuit 2. The parameter displays Malfunction if the NOx Sensor 2 Oxygen Signal Circuit 2 is open. |
| NOx Sensor 2 Oxygen Signal Circuit 2 Shorted Test Status | - | OK | This parameter displays the state of the NOx Sensor 2 Oxygen Signal Circuit 2. The parameter displays Malfunction if the NOx Sensor 2 Oxygen Signal Circuit 2 is shorted. |
| Number of DTC(s) | - | Counts | This parameter displays the number of emission related DTCs stored in the engine control module ECU. |
| Park/Neutral Position Switch | - | Park/Neutral | This parameter indicates the range selection of the automatic transmission as calculated by the control module based on input from the PNP switch. The scan tool will display, In Gear, Park, or Neutral depending on the PNP switch position. |
| Particulate Filter Pressure Variance | - | Varies | This parameter will display the pressure differential between the front and rear pressures at the DPF as calculated by the ECM. This will be displayed in kPa. As the DPF becomes restricted the differential pressure will increase. |
| Pilot Inj. Cyl 1-8 Command | - | On | This parameter displays the commanded state of the fuel injectors for the pilot injection pulse as commanded by the ECM. |
| Pilot Injection | - | Inactive | Pilot Injection Active indicates that pilot injections are active |
| Post Injection | - | Inactive | Post Injection Active indicates that post injections is active |
| Power Mode | - | Off | This parameter displays the state of the System Power Mode. This signal is based upon the state of the system power mode received over serial communication from the vehicle electronics. |
| PTO | - | No | The scan tool will display Yes or No indicating the PTO is in operating function. |
| PTO Engine Shutdown | - | Disabled | This parameter displays the input status of the PTO engine shutdown switch to the control module. The scan tool will display enable or disabled. Enabled indicates the PTO engine shutdown switch is closed, grounding the engine shutoff signal circuit to the control module. Disabled indicates the engine shutoff switch is open, allowing normal engine and PTO operation. |
| Reduced Engine Power | - | Inactive | This parameter will display the fuel system status as commanded by the ECM. |
| Reduced Engine Power History | - | Varies | This parameter displays the last reason that the engine control module has illuminated the Reduced Engine Power (REP) indication. |
| Reductant Fluid Quality Test Status | - | Completed with success | This parameter displays the phases of the SCR (Selective Catalyst Reduction) service quality check procedure. |
| Reductant Fluid Quality Warning Indicator Command | - | None | This parameter displays the NOx reductant quality warning. |
| Reductant Heater 1 Request | - | Off | This parameter displays the commanded state of the Reductant Heater 1. The Reductant Heater 1 should be ON when the scan tool indicates the Reductant Heater 1 Command is ON. |
| Reductant Heater 2 Request | - | Off | This parameter displays the commanded state of the Reductant Heater 2. The Reductant Heater 2 should be ON when the scan tool indicates the Reductant Heater 2 Command is ON. |
| Reductant Heater 3 Request | - | Off | This parameter displays the commanded state of the Reductant Heater 3. The Reductant Heater 3 should be ON when the scan tool indicates the Reductant Heater 3 Command is ON. |
| Reductant Injection Control Gross Overpressure Test | - | Passed | This parameter displays the test status of the NOx reductant dosing system test. |
| Reductant Injection Control Overpressure Test | - | Passed | This parameter displays the test status of the NOx reductant dosing system test. |
| Reductant Injection Control Pressure Build-Up Test | - | Passed | This parameter displays the test status of the NOx reductant dosing system test. |
| Reductant Injection Control Underpressure Test | - | Passed | This parameter displays the test status of the NOx reductant dosing system test. |
| Reductant Injection Inhibit Reason | - | None | This parameter displays the reasons why the NOx Reductant system has been inhibited from operation. |
| Reductant Injector Command | - | % | This parameter displays the commanded duty cycle for the NOx reductant dosing valve output. |
| Reductant Injector Control Circuit Status | - | No Malfunctiion Present | This parameter displays the status of the Reductant Injection Control Circuit output. |
| Reductant Level | - | % | This parameter displays the total Reductant level as a percentage of the rated capacity of the tank. |
| Reductant Level Sensor 1 | - | Inactive | This parameter displays the individual Reductant Level Switch states. Active indicates that the level switch is detecting fluid in regards to its position in the reductant reservoir. |
| Reductant Level Sensor 1 Circuit Status | - | No Malfunction | This parameter displays the circuit status of each reductant level sensor. |
| Reductant Level Sensor 2 | - | Inactive | This parameter displays the individual Reductant Level Switch states. Active indicates that the level switch is detecting fluid in regards to its position in the reductant reservoir. |
| Reductant Level Sensor 2 Circuit Status | - | No malfunction | This parameter displays the circuit status of each reductant level sensor. |
| Reductant Level Sensor 3 | - | Inactive | This parameter displays the individual Reductant Level Switch states. Active indicates that the level switch is detecting fluid in regards to its position in the reductant reservoir. |
| Reductant Level Sensor 3 Circuit Status | - | No Malfunction | This parameter displays the circuit status of each reductant level sensor. |
| Reductant Level Warning Indicator Command | - | None | This parameter displays the engine control module (ECM) requested reductant fluid level warning indicator state. |
| Reductant Pressure | - | kPa | This parameter displays the engine Reductant pressure from the sensor. |
| Reductant Pump Command | - | % | This parameter displays the commanded duty cycle for the NOx reductant pump output. |
| Reductant Pump Control Circuit Status | - | No Malfunction Present | This parameter displays the status of the Reductant Pump Control Circuit. |
| Reductant Purge Solenoid Valve Command | - | On/Off | This parameter displays the commanded state of the reductant line purge solenoid valve. The scan tool displays On when the reductant line purge solenoid valve is commanded On. |
| Reductant Purge Solenoid Valve Control Circuit Status | - | No Malfunction Present | This parameter displays the status of the Reductant Purge Solenoid Valve Control Circuit. |
| Reductant Range | - | kn.miles | This parameter displays the Distance that can be driven before the Reductant tank needs to be refilled. |
| Reductant System Malfunction Warning Indicator Command | - | None | This parameter displays the NOx Reductant System Malfunction warning. |
| Reductant Temperature | - | °C (°F) | This parameter displays the Reductant temperature measured by a sensor that is located within the holding tank |
| Regeneration Inhibition Reason | - | Varies | This parameter displays the reason why a regeneration is not allowed. |
| Remaining Fuel in Tank | - | % | This parameter displays the total fuel level as a percentage of the rated capacity of the fuel tank. |
| Remaining Fuel in Tank | - | Liters | This parameter displays the actual total fuel volume contained in the fuel tank. |
| Remote Vehicle Start Disable History 1-8 | - | Reason for RVS Disable | These parameters display the last eight reasons the control module disabled remote vehicle start (RVS). |
| Remote Vehicle Start Request Signal | - | Off | Remote Vehicle Start Request indicates the state of the request received over serial communication from the remote vehicle start (RVS) system to start the vehicle in remote mode. |
| Replicated Transmission OSS Signal (If Equipped) | - | RPM | This parameter contains the Replicated Transmission Output Speed (Replicated TOS) received from the Transmission Control Module. Replicated TOS results from hardware in the TCM that "re-transmits" the Transmission Output Speed Sensor pulses to the ECM. |
| Start Up ECT | - | Varies | This parameter Indicates the engine coolant temperature at engine start up as calculated by the control module based on the signal from the ECT sensor. The scan tool will display a higher value on a warmer engine, and a lower value on a colder engine. |
| Start-Up Exhaust Gas Temperature Sensor 2 | - | °C (°F) | This parameter displays the Exhaust Gas temperature sensor 2 recorded at power-up |
| Start Up Fuel Temperature | - | Varies | This parameter Indicates the fuel temperature at engine start up as calculated by the control module based on the signal from the fuel temperature sensor. The scan tool will display a higher value on a warmer fuel, and a lower value on a colder fuel. |
| Start Up IAT Sensor 1 | - | Varies | This parameter Indicates the intake air temperature at engine start up as calculated by the control module based on the signal from the IAT sensor. The scan tool will display a higher value during warmer under hood temperatures, and a lower value during colder under hood temperatures. |
| Starter Relay Command | - | Off | The scan tool displays ON/OFF. The scan tool displays Off until the ignition is placed into the CRANK position, then it reads On. |
| Starter Relay Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the starter relay control circuit. The parameter displays Malfunction if the starter relay control circuit is shorted to voltage. This parameter may not change if the scan tool is used to command the relay control circuit ON. |
| Starter Relay Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the starter relay control circuit. The parameter displays Malfunction if the starter relay control circuit is shorted to ground. This parameter may not change if the scan tool is used to command the relay control circuit ON. |
| Starter Relay Control Circuit Open Test Status | - | OK | This parameter displays the state of the starter relay control circuit. The parameter displays Malfunction if the starter relay control circuit is open. This parameter may not change if the scan tool is used to command the relay control circuit ON. |
| Torque Delivered Signal | - | Nm | This parameter displays the engine torque based upon the airflow through the engine and the torque losses due to fuel shutoff. Since this is a steady state engine torque, it does not include the inertial component of engine torque. |
| Total Misfire | - | counts | This parameter displays the total number of cylinder firing events that the control module detected as misfires for the last 200 crankshaft revolution sample period. |
| Traction Control Status | - | Inactive | This parameter displays Active if the electronic brake and traction control module (EBTCM) is commanding traction control. |
| Traction Control Torque Delivered Signal | - | % | This parameter displays the estimated engine torque delivered by the powertrain, as a percentage of maximum engine torque that is provided to the ABS/TCS module |
| Traction Control Torque Request Signal | - | % | This parameter displays the engine torque requested by the traction control system, as a percentage of maximum engine torque, |
| Transfer Case OSS (If Equipped) | - | RPM | This parameter displays the transfer case output speed (the speed at the output of the transfer case) determined from the speed measured by the transfer case speed sensor |
| Turbocharger Vane Learned Closed Position | - | % | This is the learned position of the blades that control the airflow into the turbo charger. This parameter displays the learned closed position. |
| Turbocharger Vane Learned Closed Position | - | Volts | This parameter displays the maximum position learned for Turbo Charger Vane position sensor when the Turbo Charger Vanes are full open. |
| Turbocharger Vane Learned Open Position | - | % | This is the learned position of blades that control the airflow into the turbo charger. This parameter displays the learned open position. |
| Turbocharger Vane Learned Open Position | - | Volts | This parameter displays the minimum position learned for Turbo Charger Vane position sensor when the Turbo Charger Vanes are closed. |
| Turbocharger Vane Position Learn Status | - | Yes | This parameter indicates the status of the control module in learning the turbocharger vane position. The scan tool will display No if the turbocharger vane position has not been learned since the last DTC clear. |
| Turbocharger Vane Position Sensor | - | Varies | This parameter displays the current commanded state of the turbocharger vane position control solenoid valve by the control module. The scan tool will display a higher value as the solenoid is commanded open. The scan tool will display a lower value as the solenoid is commanded closed. |
| Turbocharger Vane Position Sensor | - | Varies | This parameter displays the voltage signal sent to the control module from the sensor. The scan tool will display a higher value as the solenoid is commanded open. The scan tool will display a lower value as the solenoid is commanded closed. |
| Turbocharger Vane Position Solenoid Valve Circuit High Voltage Test Status | - | OK | This parameter displays the state of the Turbocharger Vane Position Solenoid Valve circuit. The parameter displays Malfunction if the Turbocharger Vane Position Solenoid valve circuit is shorted to voltage. |
| Turbocharger Vane Position Solenoid Valve Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the Turbocharger Vane Position Solenoid Valve circuit. The parameter displays Malfunction if the Turbocharger Vane Position Solenoid valve circuit is shorted to ground. |
| Turbocharger Vane Position Solenoid Valve Circuit Open Test Status | - | OK | This parameter displays the state of the Turbocharger Vane Position Solenoid Valve circuit. The parameter displays Malfunction if the Turbocharger Vane Position Solenoid valve circuit is open. |
| Turbocharger Vane Position Solenoid Valve Circuit Shorted Test Status | - | OK | This parameter displays the state of the Turbocharger Vane Position Solenoid Valve circuit. The parameter displays Malfunction if the Turbocharger Vane Position Solenoid valve circuit is shorted. |
| Turbocharger Vane Position Solenoid Valve Command | - | % | This parameter displays the commanded duty cycle for the solenoid on variable geometry turbocharger.. |
| Turbocharger Vane Position Solenoid Valve Control Circuit Command | - | Off | This parameter displays the commanded state of the turbocharger solenoid valve. |
| Turbocharger Vane Position Solenoid Valve Control Driver Overtemperature Detected | - | No | This parameter displays the state of the turbocharger vane position solenoid valve control driver. |
| Turbocharger Vane Position Solenoid Valve High Control Circuit Command | - | Off | This parameter displays the commanded state of the turbocharger solenoid valve high control circuit. |
| Turbocharger Vane Position Solenoid Valve High Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the Turbocharger Vane Position Solenoid Valve high control circuit. The parameter displays Malfunction if the Turbocharger Vane Position Solenoid valve high control circuit is shorted to voltage. |
| Turbocharger Vane Position Solenoid Valve High Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the Turbocharger Vane Position Solenoid Valve high control circuit. The parameter displays Malfunction if the Turbocharger Vane Position Solenoid valve high control circuit is shorted to ground. |
| Turbocharger Vane Position Solenoid Valve High Control Driver Overtemperature Detected | - | No | This parameter displays the state of the turbocharger vane position solenoid valve high control driver. |
| Vehicle Speed Output Circuit 2 High Voltage Test Status | - | OK | This parameter displays the state of the vehicle speed output circuit 2. The parameter displays Malfunction if the vehicle speed output circuit 2 is shorted to voltage. |
| Vehicle Speed Output Circuit 2 Low Voltage Test Status | - | OK | This parameter displays the state of the vehicle speed output circuit 2. The parameter displays Malfunction if the vehicle speed output circuit 2 is shorted to ground. |
| Vehicle Speed Output Circuit 2 Open Test Status | - | OK | This parameter displays the state of the vehicle speed output circuit 2. The parameter displays Malfunction if the vehicle speed output circuit 2 is open. |
| Vehicle Speed Sensor | - | 0 km/mi | This parameter indicates the vehicle speed as calculated by the control module based on a signal from the vehicle speed sensor (VSS). The scan tool will display a higher value at higher vehicle speeds, and a lower value at lower vehicle speeds. |
| Wait to Start Indicator Command | - | Light OFF | The wait to start indicator illuminates with the ignition ON and the engine OFF. The wait to start indicator will not illuminate during post-start glow plug operation. |
| Wait to Start Indicator Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the wait to start indicator control circuit. The parameter displays Malfunction if the wait to start indicator control circuit is shorted to voltage. |
| Wait to Start Indicator Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the wait to start indicator control circuit. The parameter displays Malfunction if the wait to start indicator control circuit is shorted to ground. |
| Wait to Start Indicator Control Circuit Open Test Status | - | OK | This parameter displays the state of the wait to start indicator control circuit. The parameter displays Malfunction if the wait to start indicator control circuit is open. |
| Warm-ups Since DTC Cleared | - | Varies | This parameter indicates the number of warm up cycles that have occurred Since DTCs were cleared. The scan tool will display a higher counts as more warm up cycles have occurred since the DTCs were cleared. |
| Warm-ups with out Emission Malfunctions | - | 0 | This parameter indicates the number of warm up cycles that have occurred without an emission fault present. The scan tool will display a 0 if a malfunction has occurred. The scan tool will display a higher count if a number of warm up cycles have occurred without an emission malfunction. |
| Warm-ups with out Non-emission Malfunctions | - | 0 | This parameter indicates the number of warm up cycles that have occurred without a non-emission fault present. The scan tool will display a 0 if a malfunction has occurred. The scan tool will display a higher count if a number of warm up cycles have occurred without a non-emission malfunction. |
| Water in Fuel | - | No | This parameter indicates if there is water in the fuel. |
| Water in Fuel Indicator Command | - | Off | This parameter indicates if water in the fuel indicator is On or Off. |
| Water in Fuel Sensor | - | No Water | This parameter will display Water if fuel is present in the fuel or No Water when water is no longer present in the fuel. |
Output Control
| Parameter | Description |
|---|---|
| A/C Compressor Clutch Relay | The engine must be running and the ECM must receive an A/C request from the HVAC control module in order to enable the output control. The ECM de-energizes the A/C compressor clutch relay when you select OFF. The relay remains de-energized until you select ON. |
| Balance Rate Monitor | This function will allow actual balance rate values to be displayed. |
| Catalyst 1 Reset | This device control is used to reset learned values in case of a diesel oxidation catalyst replacement. The engine must be Off and Ignition ON. |
| Compression Test | This device control is used to set up the internal combustion engine for a compression test. The fuel pump, fuel injectors are all disabled. The throttle is opened to a Wide Open Throttle (WOT) position. |
| Cooling Fan | The percent of engine cooling fan requested from the ECM. |
| Crankshaft Position Reluctor Wheel Learn | This device control is used to reset the crank wheel adaptation values in case of an ECU or crank wheel replacement. |
| Cylinder 1-8 Injector Flow Identifier | Contains the data that the Engine Controll Module will need in order to do proper Injector Fuel Quantity adjustments. If a new ECM is being installed, this data shall be read from the old ECM and transferred to the new ECM. If an injector is replaced, the injector code must be downloaded to the ECM |
| Cylinder Balance Rate Monitor | This device control is used to enable or disable Cylinder Fuel Balancing. |
| Cylinder Power Balance | Disables each fuel injector. Device Control can be changed at any engine or vehicle speed. The device control will not change unless changed or cancelled by the scan tool. |
| Dash Lamps | Malfunction Indicator Lamp-Activates the malfunction indicator lamp (MIL). The MIL will remain illuminated until cancelled by the scan tool. |
| DPF Regeneration Enable | This function enables a DPF Regen when the vehicle meets the conditions for running. This function will by-pass the normal soot model, so the next time the vehicle is under the conditions for an active regeneration to take place, the ECM will go ahead and initiate the regeneration event. This device control is used to Force the Diesel Particulate Filter to perform regeneration. The Device Control sets an indication in the ECU that the controller shall perform regeneration, the next time the driving condition are met. The Regeneration shall be performed even if the tool is no longer connected to the vehicle. |
| DPF Regeneration Indicator | This function will activate the Clean Exhaust Filter message or green indicator lamp and will remain ON until it is cancelled with the scan tool. |
| DPF Regeneration Inhibit | This device control is used to inhibit the Diesel Particulate Filter to perform regeneration, even if the driving conditions are met. The inhibit function shall only work when the tool is connected to the vehicle. |
| DPF Service Regeneration | This function enables a DPF Regen. The engine coolant must be greater than 70-115°C (158-239°F). Vehicle must be in Park. Ambient temperature must be greater than -30°C (-22°F). Brake pedal and accelerator must be in the released position. The scan tool will display all inhibit reasons. The scan tool must remain connected until test is complete. This function takes approximately 35 minutes to complete. During this procedure the RPM will slowly increase to 2,500 RPM and remain there for approximately 25 minutes. |
| EGR Cooler Bypass Motor | This device control is used to verify functionality of the Exhaust Gas Recirculation (EGR) Cooler Bypass Valve by allowing the EGR Cooler Bypass Valve output to be commanded to a specific duty cycle. |
| EGR Cooler Bypass Valve | This device control is used to verify functionality of the Exhaust Gas Recirculation (EGR) Cooler Bypass Valve system by allowing the EGR Cooler Bypass Valve output to be commanded to a specific position |
| EGR Motor | This device control is used to verify functionality of the Exhaust Gas Recirculation Valve by allowing the Exhaust Gas Recirculation Valve output to be commanded to a specific duty cycle. |
| EGR Solenoid | Activates the exhaust gas recirculation (EGR) solenoid ON or OFF. The EGR position is limited to 40 percent duty cycle, which is 100 percent commanded open valve. The device control is limited to 10 seconds ON, with a 10 second OFF cooling time. This device control is disabled by DTC P0403. |
| EGR Valve | This device control is used to verify functionality of the Exhaust Gas Recirculation (EGR) system by allowing the Exhaust Gas Recirculation output to be commanded to a specific lift. |
| Engine Compression Quick Test | This Device Control is used to initiate the semi-automatic compression test on Diesel engines. |
| Engine Oil Life Reset | This device control contains the engine oil remaining life determined from a calabration based upon the effective engine revolutions and the distance driven since the last oil change. This device control may be used to reset the engine oil remaining life to 100% after an oil change or to any other value when replacing a engine control module. |
| Engine Shutdown Data Reset | This device control contains the information that is saved in case of an engine shutdown event. This data can be reset by the service tool by writing a value of 0. |
| Engine Speed Control | Adjusts the engine speed in 25, 100, or 500 RPM increments between 600-1500 RPM. The Device Control will not change unless changed or cancelled by the scan tool. |
| Exhaust Aftertreatment Fuel Injector | This device control is used to verify functionality of the HC Injector by allowing HC Injector output to be commanded to a specific duty cycle. |
| Exhaust Aftertreatment Fuel Injector Reset | This device control is used to reset the exhaust aftertreatment fuel injector OEM data in case of a replacement. |
| Exhaust Gas Temperature Sensor Reset | This device control is used to reset the SCR (Selective Catalytic Reduction) Temperature Sensor data in case of a replacement. |
| Fuel Calculation Reset | This device control is used to reset the ECM data in case of a replacement |
| Fuel Filter Life Reset | This device control resets the fuel filter life remaining to 100%. |
| Fuel Injector Balance Procedure | Disables each fuel injector injection. Device Control can be changed at any engine or vehicle speed. The device control will not change unless changed or cancelled by the scan tool. |
| Fuel Injector Balance Quick Test | This device control is used to trigger the cylinder run-up test to discover bad or injured injectors. |
| Fuel Pressure | This parameter displays the fuel rail pressure regulator duty cycle as commanded by the control module. The scan tool will display a lower value for a higher commanded fuel pressure, and a higher value for a lower commanded fuel pressure. |
| Fuel Pressure Regulator 1 | This device control is intended for use on a Direct Injection (DI) high pressure fuel supply system to activate the fuel pressure regulator 1 at ignition on, engine off. Both the low side and high side of the regulator are controlled together. Commanding the regulator to "On" will modulate the high side driver to a calibratible "maximum" duty cycle. (Note: As this is an electrical circuit test, a regulator solenoid commanded to "on" does not necessarily equate to the regulator state at maximum fuel pressure.) |
| Fuel Pressure Regulator 2 | This device control is intended for use on a Direct Injection (DI) high pressure fuel supply system to activate the fuel pressure regulator 2 at ignition on, engine off. Both the low side and high side of the regulator are controlled together. Commanding the regulator to "On" will modulate the high side driver to a calibratible "maximum" duty cycle. (Note: As this is an electrical circuit test, a regulator solenoid commanded to "on" does not necessarily equate to the regulator state at maximum fuel pressure.) |
| Fuel Pump Relay | This device control is used to override the state of the fuel pump output. |
| Fuel Transfer Pump Relay | This function commands the fuel transfer pump relay ON/OFF. |
| GEN-L Terminal | The commanded states are ON and OFF. Selecting OFF commands the ECM to turn OFF the generator and stop generating an output voltage. |
| Intake Air Flow Valve Motor | This function increases or decreases the position of the IAF valve. |
| Intake Air Flow Valve Position | This parameter displays the actual position of the intake air flow valve. |
| Malfunction Indicator Lamp (MIL) | This device control is used to either turn the Malfunction Indicator Lamp (MIL) on or off. |
| NOx Catalyst Reductant Loading Reset | This device control is used to reset the adaptive values for the SCR (Selective Catalytic Reduction) data. |
| NOx Sensor 1 Heater- Engine Running | This device control is used to control the duty cycle of the NOx Sensor 1 Heater with the engine running. The Duty Cycle is fixed at a predetermined value and is controlled for a predetermined amount of time. |
| NOx Sensor 1 Reset | This device control is used to reset the NOx Sensor 1 data in case of a replacement. The engine must be Off and the Ignition On. |
| NOx Sensor 2 Heater- Engine Running | This device control is used to control the duty cycle of the NOx Sensor 2 Heater with the engine running. The Duty Cycle is fixed at a predetermined value and is controlled for a predetermined amount of time. |
| NOx Sensor 2 Reset | This device control is used to reset the NOx Sensor 2 data in case of a replacement. The engine must be Off and the Ignition On. |
| Pilot Injector Balance Procedure | Disables each fuel injector pilot injection. Device Control can be changed at any engine or vehicle speed. The device control will not change unless changed or cancelled by the scan tool. |
| Reductant Heater 1 | This device control is used to override the state of the NOx Reductant Heater 1. |
| Reductant Heater 2 | This device control is used to override the state of the NOx Reductant Heater 2. |
| Reductant Heater 3 | This device control is used to override the state of the NOx Reductant Heater 3. |
| Reductant Injection Quanity Test | This device control is used to inject a specific amount of reductant from the reductant injector. A system purge will be required once the test is complete. |
| Reductant Injector | This device control is used to verify functionality of the NOx Reductant Injector by allowing NOx Reductant Injector output to be commanded to a specific duty cycle. |
| Reductant Injector Reset | This device control is used to reset the Reductant Injector variables after the Injector is replaced. |
| Reductant Pump | This device control is used to verify functionality of the NOx Reductant Pump by allowing NOx Reductant Pump output to be commanded to a specific duty cycle. |
| Reductant Purge | This device control is used to purge the reductant lines of fluid. |
| Reductant Purge Valve | This device control is used to command the state of the NOx Reductant Line Purge valve. |
| Reductant System Leak Test | This device control is used to pressurize the reductant system in order to perform a visual inspection for leaks. A system purge will be required once the test is complete. |
| Reductant System Reset | This device control is used to reset the Reductant Module data in case of a replacement. |
| Remote Vehicle Start Disable History Reset | This device control is used to trigger the reset of the last eight reasons that powertrain has disabled remote vehicle start (RVS). |
| Starter Relay | This device control is used to override the state of the Starter Relay output. Fuel is disabled to prevent the engine from starting if the starter relay output is commanded On. |
| Tire Size Selection | This parameter contains the tire size used for the calculation of vehicle speed. |
| Turbocharger Learn | This device control is used when the Turbocharger assembly,Vane position control solenoid valve,Vane position sensor is replaced, or repairs that disturb turbocharger components. |
| Turbocharger Vane Position Sensor | Adjusts the turbocharger vane position in 5 percent increments from 0-100 percent. The device control will be aborted if engine speed is above idle or if the coolant temperature is too cold. |
| Turbocharger Vane Solenoid | Cycles the turbocharger vane position solenoid to 100 percent boost and back to 0 percent boost. The device control is limited to engine speeds less than 1,500 RPM and will be disabled if DTC P0047 or P0048 are set. |
| Wait to Start Indicator | The scan tool displays On or Off. This is the state of the wait to start indicator as commanded by the PCM. |