K71 Transmission Control Module: Scan Tool Information (8L45 (M5N))
WARNING: This page is about a different car, the 2020 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
K71 Transmission Control Module - Scan Tool Parameter
| Parameter | System State | Expected Value | Description |
|---|---|---|---|
| Operating Conditions: Ignition=On | |||
| Sensor Supply Circuit Status | - | Okay | Indicates that the Signal Out of Range buffered 9V Reference 1 value (within the controller) is currently out of range. |
| Sensor Supply 2 Circuit Status | - | Okay | Indicates that the Signal Out of Range buffered 9V Reference 2 value (within the controller) is currently out of range. |
| Calculated Line Pressure | Ignition On - Engine Off | 550 to 620 kPa (80 to 90 PSI) | The expected calculated transmission line pressure when accounting for pump loss factors. |
| Ignition On - Engine Running | 550 to 620 kPa (80 to 90 PSI) | ||
| 48 km/h (30 MPH) | 380 to 480 kPa (55 to 70 PSI) | ||
| 80 km/h (50 MPH) | 380 to 480 kPa (55 to 70 PSI) | ||
| Calculated Throttle Position | 0 km/h (0 MPH) | 0% | The accelerator effective position, which represents the driver's intended request for torque or acceleration. It is determined from the maximum of the driver requests to open the throttle (e.g., accelerator pedal, cruise control, PTO, etc.) and is normalized to 0 to 100 %, where 0 % represents an idle or coast request and 100% represents a request for wide open throttle (WOT). It is the primary indication of accelerator position / throttle position used by transmission control algorithms and, thus, is often referred to as transmission throttle position. In the event that the engine is operating in a forced idle mode due to an accelerator pedal position fault, the accelerator effective position will have a value of 0 %, corresponding to an idle request. |
| 48 km/h (30 MPH) | 5% | ||
| 80 km/h (50 MPH) | 20% | ||
| Control Module Voltage Signal | Ignition On - Engine Off | 12.60 V | The voltage of the power input to the control module. Since battery voltage is not directly measured by powertrain controllers, switched battery voltage, available from the Run/Crank input to the controller, shall be used to populate this PID. |
| Ignition On - Engine Running | 14.40 V | ||
| Current Gear | P | Park | Indicates the current gear that the transmission has achieved. In order for the transmission to achieve a gear other than Park/Neutral, transmission hydraulic pressure must be available (Engine Speed = Greater than 349 RPM). |
| R | Reverse | ||
| N | Neutral | ||
| D | 1 - 8 | ||
| L | 1 - 8 | ||
| Driver Shift Control Mode | S3 Transmission Shift Lever=P, R, N, D | Inactive | The status of the Sport/Low/Manual Mode, this PID will read active when the transmission shift lever is in the Sport/Low/Manual Mode. |
| S3 Transmission Shift Lever=L, M, S | Active | ||
| Up and Down Shift Switch | No Button Pressed | Inactive | The status of the Up and Down shift switches. |
| Upshift - Pressed | Upshift | ||
| Downshift - Pressed | Downshift | ||
| Engine Coolant Temperature | Ignition On - Engine Off | 21°C (70°F) | The undefaulted engine coolant temperature measured by a sensor. If the data used to compute engine coolant temperature is obtained from a serial data signal, then, if the signal is not received, the value shall be set to: -40°C (-40°F). |
| Ignition On - Engine Running | 80 to 95°C (175 to 205°F) | ||
| 48 km/h (30 MPH) | 80 to 95°C (175 to 205°F) | ||
| 80 km/h (50 MPH) | 80 to 95°C (175 to 205°F) | ||
| Engine Speed | Ignition On - Engine Off | 0 RPM | The engine speed determined from the crank position sensor. The data used to compute engine speed is obtained from a serial data signal. |
| Ignition On - Engine Running | 753 RPM | ||
| 48 km/h (30 MPH) | 1371 RPM | ||
| 80 km/h (50 MPH) | 1566 RPM | ||
| Engine Torque | Ignition On - Engine Off | -53 Nm (-39 lb ft) | The calculated engine torque based upon the airflow through the engine and the torque losses due to spark retard and fuel shutoff. Since this is a steady state engine torque, it does not include the inertial component of engine torque. |
| Ignition On - Engine Running | -6 Nm (-4 lb ft) | ||
| 48 km/h (30 MPH) | 10 Nm (7 lb ft) | ||
| 80 km/h (50 MPH) | 45 Nm (33 lb ft) | ||
| Gear Command | P | Park | The current gear that is being commanded within the transmission. Only Park/Neutral will be commanded if transmission hydraulic pressure is not available. Transmission hydraulic pressure is available when Engine Speed = Greater than 349 RPM. |
| R | Reverse | ||
| N | Neutral | ||
| D | 1 - 8 | ||
| L | 1 - 8 | ||
| Gear Ratio | 1 | 4.62:1 | This Parameter Identifier (PID) contains the calculated gear ratio based on Transmission Input Shaft Speed and Transmission Output Shaft Speed. |
| 2 | 3.04:1 | ||
| 3 | 2.15:1 | ||
| 4 | 1.66:1 | ||
| 5 | 1.26:1 | ||
| 6 | 1.00:1 | ||
| 7 | 0.85:1 | ||
| 8 | 0.66:1 | ||
| R | 3.93:1 | ||
| High Side Driver Circuit High Test Status | - | Okay | The status of the short to voltage test. |
| High Side Driver Circuit Low Test Status | - | Okay | The status of the short to ground test. |
| High Side Driver Circuit Open Test Status | - | Not Run | The status of the open circuit test. |
| High Side Driver Command | Engine Running | Off | The commanded state of the shared high side driver. |
| Engine=Running | On | ||
| High Side Driver 2 Circuit High Test Status | - | Okay | The status of the short to voltage test. |
| High Side Driver 2 Circuit Low Test Status | - | Okay | The status of the short to ground test. |
| High Side Driver 2 Circuit Open Test Status | - | Not Run | The status of the open circuit test. |
| High Side Driver 2 Command | Engine Running | Off | The commanded state of the shared high side driver 2. |
| Engine=Running | On | ||
| Ignition and Start Switch Signal | - | On | Displays the signal associated with the status of hardwire vehicle power mode inputs. |
| Ignition and Start Switch Accessory Signal | - | On | Displays the status of the ignition voltage availability to the controller. |
| Ignition and Start Signal | Ignition On - Engine Off | 12.60 V | The voltage of the Run/Crank input to the controller. |
| Ignition On - Engine Running | 14.40 V | ||
| Power Mode | - | Run | Displays the state of the ignition. |
| Shift Limiting Active Reason | - | None | Displays current Reason for a default shift pattern. |
| Torque Converter Clutch Pressure Command | 0 km/h (0 MPH) | 0.00 kPa (0.00 PSI) | Displays the commanded pressure to the Torque Converter Clutch. |
| 48 km/h (30 MPH) | 160 kPa (23 PSI) | ||
| 80 km/h (50 MPH) | 250 kPa (36 PSI) | ||
| Torque Converter Clutch Slip Speed | Ignition On - Engine Off | 0 RPM | The Torque Converter Clutch slip speed determined as the difference between engine speed and transmission input shaft speed. |
| Ignition On - Engine Running | 30 RPM | ||
| 48 km/h (30 MPH) | 3 RPM | ||
| 80 km/h (50 MPH) | 9 RPM | ||
| Tow/Haul Mode | Inactive | Inactive | Displays the current state of Tow/Haul Mode. |
| Active | Active | ||
| Transmission Control Solenoid Valve 1 - 9 Calibration Data | - | Valid | Stored history of any condition causing the Transmission Control Solenoid Valves to set a Transmission Control Solenoid Valve Calibration Incorrect DTC. |
| Transmission Control Solenoid Valve 1-9 Control Circuit High Test Status | - | Not Run or Okay | The status of the short to power test. The parameter status will indicate not run, if the command for the solenoid is not in the correct state to perform the circuit test. |
| Transmission Control Solenoid Valve 1-9 Control Circuit Low Test Status | - | Not Run or Okay | The status of the short to ground test. The parameter status will indicate not run, if the command for the solenoid is not in the correct state to perform the circuit test. |
| Transmission Control Solenoid Valve 1 - 9 Control Circuit Open Test Status | - | Not Run or Okay | The status of the open circuit test. The parameter status will indicate not run, if the command for the solenoid is not in the correct state to perform the circuit test. |
| Transmission Control Solenoid Valve 1 Current | Ignition On - Engine Off | 0.0 A | The Average Diagnostic Current for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0.4 A | ||
| 48 km/h (30 MPH) | 1.15 A | ||
| 80 km/h (50 MPH) | 1.15 A | ||
| Transmission Control Solenoid Valve 1 Current Command | Ignition On - Engine Off | 1.15 A | The Current Command for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0.4 A | ||
| 48 km/h (30 MPH) | 1.15 A | ||
| 80 km/h (50 MPH) | 1.15 A | ||
| Transmission Control Solenoid Valve 1 Pressure Command | Ignition On - Engine Off | 0.00 kPa (0.00 PSI) | The commanded pressure for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 760 kPa (110 PSI) | ||
| 48 km/h (30 MPH) | 0 kPa (0 PSI) | ||
| 80 km/h (50 MPH) | 760 kPa (110 PSI) | ||
| Transmission Control Solenoid Valve 2 Current | Ignition On - Engine Off | 0.0 A | The Average Diagnostic Current for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 1.15 A | ||
| 48 km/h (30 MPH) | 1.15 A | ||
| 80 km/h (50 MPH) | 0.0 A | ||
| Transmission Control Solenoid Valve 2 Current Command | Ignition On - Engine Off | 0.0 A | The Current Command for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 1.15 A | ||
| 48 km/h (30 MPH) | 1.15 A | ||
| 80 km/h (50 MPH) | 0.0 A | ||
| Transmission Control Solenoid Valve 2 Pressure Command | Ignition On - Engine Off | 0.00 kPa (0.00 PSI) | The commanded pressure for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 1638 kPa (238 PSI) | ||
| 48 km/h (30 MPH) | 1638 kPa (238 PSI) | ||
| 80 km/h (50 MPH) | 0.00 kPa (0.00 PSI) | ||
| Transmission Control Solenoid Valve 3 Current | Ignition On - Engine Off | 0.0 A | The Average Diagnostic Current for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0.0 A | ||
| 48 km/h (30 MPH) | 1.15 A | ||
| 80 km/h (50 MPH) | 1.15 A | ||
| Transmission Control Solenoid Valve 3 Current Command | Ignition On - Engine Off | 0.0 A | The Current Command for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0.0 A | ||
| 48 km/h (30 MPH) | 1.15 A | ||
| 80 km/h (50 MPH) | 1.15 A | ||
| Transmission Control Solenoid Valve 3 Pressure Command | Ignition On - Engine Off | 0 kPa (0 PSI) | The commanded pressure for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0 kPa (0 PSI) | ||
| 48 km/h (30 MPH) | 800 kPa (116 PSI) | ||
| 80 km/h (50 MPH) | 1344 kPa (195 PSI) | ||
| Transmission Control Solenoid Valve 4 Current | Ignition On - Engine Off | 0.0 A | The Average Diagnostic Current for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 1.15 A | ||
| 48 km/h (30 MPH) | 1.15 A | ||
| 80 km/h (50 MPH) | 1.15 A | ||
| Transmission Control Solenoid Valve 4 Current Command | Ignition On - Engine Off | 1.15 A | The Current Command for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 1.15 A | ||
| 48 km/h (30 MPH) | 1.15 A | ||
| 80 km/h (50 MPH) | 1.15 A | ||
| Transmission Control Solenoid Valve 4 Pressure Command | Ignition On - Engine Off | 0 kPa (0 PSI) | The commanded pressure for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0 kPa (0 PSI) | ||
| 48 km/h (30 MPH) | 0 kPa (0 PSI) | ||
| 80 km/h (50 MPH) | 0 kPa (0 PSI) | ||
| Transmission Control Solenoid Valve 5 Current | Ignition On - Engine Off | 0.0 A | The Average Diagnostic Current for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 1.15 A | ||
| 48 km/h (30 MPH) | 0.4 A | ||
| 80 km/h (50 MPH) | 0.4 A | ||
| Transmission Control Solenoid Valve 5 Current Command | Ignition On - Engine Off | 1.15 A | The Current Command for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 1.15 A | ||
| 48 km/h (30 MPH) | 0.4 A | ||
| 80 km/h (50 MPH) | 0.4 A | ||
| Transmission Control Solenoid Valve 5 Pressure Command | Ignition On - Engine Off | 0 kPa (0 PSI) | The commanded pressure for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0 kPa (0 PSI) | ||
| 48 km/h (30 MPH) | 760 kPa (110 PSI) | ||
| 80 km/h (50 MPH) | 760 kPa (110 PSI) | ||
| Transmission Control Solenoid Valve 6 Current | Ignition On - Engine Off | 0.0 A | The Average Diagnostic Current for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0.85 A | ||
| 48 km/h (30 MPH) | 0.85 A | ||
| 80 km/h (50 MPH) | 0.85 A | ||
| Transmission Control Solenoid Valve 6 Current Command | Ignition On - Engine Off | 0.85 A | The Current Command for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0.85 A | ||
| 48 km/h (30 MPH) | 0.85 A | ||
| 80 km/h (50 MPH) | 0.85 A | ||
| Transmission Control Solenoid Valve 6 Pressure Command | Ignition On - Engine Off | 0 kPa (0 PSI) | The commanded pressure for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0 kPa (0 PSI) | ||
| 48 km/h (30 MPH) | 760 kPa (110 PSI) | ||
| 80 km/h (50 MPH) | 0 kPa (0 PSI) | ||
| Transmission Control Solenoid Valve 7 Current | Ignition On - Engine Off | 0.0 A | The Average Diagnostic Current for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0.0 A | ||
| 48 km/h (30 MPH) | 0.32 A | ||
| 80 km/h (50 MPH) | 0.29 A | ||
| Transmission Control Solenoid Valve 7 Current Command | Ignition On - Engine Off | 0.0 A | The commanded pressure for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0.0 A | ||
| 48 km/h (30 MPH) | 0.32 A | ||
| 80 km/h (50 MPH) | 0.29 A | ||
| Q77H Transmission Control Solenoid Valve 8 | - | Off or On | The current command for the Transmission Control Solenoid Valve 8. |
| Transmission Control Solenoid Valve 9 | - | Off or On | The current command for the Transmission Control Solenoid Valve 9. |
| Transmission Fluid Temperature | Ignition On - Engine Off | 33°C (91°F) | The undefaulted, unfiltered transmission oil / fluid temperature measured by a sensor. In automatic transmission applications, this PID is based upon the transmission oil temperature sensor input to the TCM. |
| Ignition On - Engine Running | 42°C (108°F) | ||
| 48 km/h (30 MPH) | 49°C (120°F) | ||
| 80 km/h (50 MPH) | 63°C (145°F) | ||
| Input Shaft Speed Sensor | Ignition On - Engine Off | 0 RPM | The undefaulted, raw transmission input speed (the speed at the input of the gear box) determined from the speed measured by the Transmission Input Speed Sensor with the application of factors to account for the location of the sensor. |
| Ignition On - Engine Running | 551 RPM | ||
| 48 km/h (30 MPH) | 1166 RPM | ||
| 80 km/h (50 MPH) | 1184 RPM | ||
| Input Speed Sensor Direction | Forward | Forward | The enumerated state of the raw Transmission Input Speed Sensor direction information. This parameter will display Undetermined State, until the TCM receives the speed sensor input. |
| Reverse | Reverse | ||
| Input Speed Sensor Direction Signal | Forward | 0.05 ms | The enumerated state of the raw Transmission Input Speed Sensor direction information. This parameter will display Undetermined State, until the TCM receives the speed sensor input. contains the Transmission Input Speed Sensor Direction ON Period Time in milliseconds. This PID will display 0.00 ms until the TCM receives the speed sensor input |
| Reverse | 0.18 ms | ||
| Intermediate Speed Sensor | 0 km/h (0 MPH) | 0 RPM | Displays the current speed of the Intermediate Speed Sensor 1. |
| 48 km/h (30 MPH) | 975 RPM | ||
| 80 km/h (50 MPH) | 1930 RPM | ||
| Output Shaft Speed Sensor | 0 km/h (0 MPH) | 0 RPM | Displays the current speed of the Output Shaft Speed Sensor. |
| 48 km/h (30 MPH) | 1159 RPM | ||
| 80 km/h (50 MPH) | 1850 RPM | ||
| Output Speed Sensor Direction | Forward | Forward | The enumerated state of the raw Transmission Output Speed Sensor direction information. This parameter will display Undetermined State, until the TCM receives the speed sensor input. |
| Reverse | Reverse | ||
| Output Speed Sensor Direction Signal | Forward | 0.05 ms | The enumerated state of the raw Transmission Output Speed Sensor direction information. This parameter will display Undetermined State, until the TCM receives the speed sensor input. contains the Transmission Output Speed Sensor Direction ON Period Time in milliseconds. This PID will display 0.00 ms until the TCM receives the speed sensor input |
| Reverse | 0.18 ms | ||
| Transmission Range Sensor 1 | P | 15% | The raw PWM duty cycle for Transmission Range Sensor 1/A that is wired to the TCM. |
| R | 39% | ||
| N | 50% | ||
| D | 62% | ||
| M | 74% | ||
| Transmission Range Sensor 2 | P | 85% | The raw PWM duty cycle for Transmission Range Sensor 2/B that is wired to the ECM. |
| R | 60% | ||
| N | 49% | ||
| D | 38% | ||
| M | 26% | ||
| Vehicle Speed | - | Varies | The undefaulted vehicle speed calculated from the Transmission Output Speed Sensor. |
K71 Transmission Control Module - Scan Tool Control Function
| Control Function | Description |
|---|---|
| High Side Driver | Overrides the state of the High Side Driver Output |
| High Side Driver 2 | Overrides the state of the High Side Driver 2 Output |
| Shift Transmission Gear | Overrides the commanded gear output |
| Transmission Control Solenoid Valve 1 - 9 | Overrides the state of the Transmission Control Solenoid Valve - On or Off |
| Transmission Control Solenoid Valve 1 - 7 Current | Overrides the current of the Transmission Control Solenoid Valve - 0 - 1.2 A |
| Torque Converter Clutch - Dynamic Test | Overrides the state of the Transmission Control Solenoid Valve that operates the Torque Converter Clutch, to be used during a road test. |
| Torque Converter Clutch - Static Test | Overrides the state of the Transmission Control Solenoid Valve that operates the Torque Converter Clutch, to be used when the engine is not running. |
K71 Transmission Control Module - Scan Tool Parameter
| Parameter | System State | Expected Value | Description |
|---|---|---|---|
| Operating Conditions: Ignition=On | |||
| Sensor Supply Circuit Status | - | Okay | Indicates that the Signal Out of Range buffered 9V Reference 1 value (within the controller) is currently out of range. |
| Sensor Supply 2 Circuit Status | - | Okay | Indicates that the Signal Out of Range buffered 9V Reference 2 value (within the controller) is currently out of range. |
| Calculated Line Pressure | Ignition On - Engine Off | 550 to 620 kPa (80 to 90 PSI) | The expected calculated transmission line pressure when accounting for pump loss factors. |
| Ignition On - Engine Running | 550 to 620 kPa (80 to 90 PSI) | ||
| 48 km/h (30 MPH) | 380 to 480 kPa (55 to 70 PSI) | ||
| 80 km/h (50 MPH) | 380 to 480 kPa (55 to 70 PSI) | ||
| Calculated Throttle Position | 0 km/h (0 MPH) | 0% | The accelerator effective position, which represents the driver's intended request for torque or acceleration. It is determined from the maximum of the driver requests to open the throttle (e.g., accelerator pedal, cruise control, PTO, etc.) and is normalized to 0 to 100 %, where 0 % represents an idle or coast request and 100% represents a request for wide open throttle (WOT). It is the primary indication of accelerator position / throttle position used by transmission control algorithms and, thus, is often referred to as transmission throttle position. In the event that the engine is operating in a forced idle mode due to an accelerator pedal position fault, the accelerator effective position will have a value of 0 %, corresponding to an idle request. |
| 48 km/h (30 MPH) | 5% | ||
| 80 km/h (50 MPH) | 20% | ||
| Control Module Voltage Signal | Ignition On - Engine Off | 12.60 V | The voltage of the power input to the control module. Since battery voltage is not directly measured by powertrain controllers, switched battery voltage, available from the Run/Crank input to the controller, shall be used to populate this PID. |
| Ignition On - Engine Running | 14.40 V | ||
| Current Gear | P | Park | Indicates the current gear that the transmission has achieved. In order for the transmission to achieve a gear other than Park/Neutral, transmission hydraulic pressure must be available (Engine Speed = Greater than 349 RPM). |
| R | Reverse | ||
| N | Neutral | ||
| D | 1 - 8 | ||
| L | 1 - 8 | ||
| Driver Shift Control Mode | S3 Transmission Shift Lever=P, R, N, D | Inactive | The status of the Sport/Low/Manual Mode, this PID will read active when the transmission shift lever is in the Sport/Low/Manual Mode. |
| S3 Transmission Shift Lever=L, M, S | Active | ||
| Up and Down Shift Switch | No Button Pressed | Inactive | The status of the Up and Down shift switches. |
| Upshift - Pressed | Upshift | ||
| Downshift - Pressed | Downshift | ||
| Engine Coolant Temperature | Ignition On - Engine Off | 21°C (70°F) | The undefaulted engine coolant temperature measured by a sensor. If the data used to compute engine coolant temperature is obtained from a serial data signal, then, if the signal is not received, the value shall be set to: -40°C (-40°F). |
| Ignition On - Engine Running | 80 to 95°C (175 to 205°F) | ||
| 48 km/h (30 MPH) | 80 to 95°C (175 to 205°F) | ||
| 80 km/h (50 MPH) | 80 to 95°C (175 to 205°F) | ||
| Engine Speed | Ignition On - Engine Off | 0 RPM | The engine speed determined from the crank position sensor. The data used to compute engine speed is obtained from a serial data signal. |
| Ignition On - Engine Running | 753 RPM | ||
| 48 km/h (30 MPH) | 1371 RPM | ||
| 80 km/h (50 MPH) | 1566 RPM | ||
| Engine Torque | Ignition On - Engine Off | -53 Nm (-39 lb ft) | The calculated engine torque based upon the airflow through the engine and the torque losses due to spark retard and fuel shutoff. Since this is a steady state engine torque, it does not include the inertial component of engine torque. |
| Ignition On - Engine Running | -6 Nm (-4 lb ft) | ||
| 48 km/h (30 MPH) | 10 Nm (7 lb ft) | ||
| 80 km/h (50 MPH) | 45 Nm (33 lb ft) | ||
| Gear Command | P | Park | The current gear that is being commanded within the transmission. Only Park/Neutral will be commanded if transmission hydraulic pressure is not available. Transmission hydraulic pressure is available when Engine Speed = Greater than 349 RPM. |
| R | Reverse | ||
| N | Neutral | ||
| D | 1 - 8 | ||
| L | 1 - 8 | ||
| Gear Ratio | 1 | 4.62:1 | This Parameter Identifier (PID) contains the calculated gear ratio based on Transmission Input Shaft Speed and Transmission Output Shaft Speed. |
| 2 | 3.04:1 | ||
| 3 | 2.15:1 | ||
| 4 | 1.66:1 | ||
| 5 | 1.26:1 | ||
| 6 | 1.00:1 | ||
| 7 | 0.85:1 | ||
| 8 | 0.66:1 | ||
| R | 3.93:1 | ||
| High Side Driver Circuit High Test Status | - | Okay | The status of the short to voltage test. |
| High Side Driver Circuit Low Test Status | - | Okay | The status of the short to ground test. |
| High Side Driver Circuit Open Test Status | - | Not Run | The status of the open circuit test. |
| High Side Driver Command | Engine Running | Off | The commanded state of the shared high side driver. |
| Engine=Running | On | ||
| High Side Driver 2 Circuit High Test Status | - | Okay | The status of the short to voltage test. |
| High Side Driver 2 Circuit Low Test Status | - | Okay | The status of the short to ground test. |
| High Side Driver 2 Circuit Open Test Status | - | Not Run | The status of the open circuit test. |
| High Side Driver 2 Command | Engine Running | Off | The commanded state of the shared high side driver 2. |
| Engine=Running | On | ||
| Ignition and Start Switch Signal | - | On | Displays the signal associated with the status of hardwire vehicle power mode inputs. |
| Ignition and Start Switch Accessory Signal | - | On | Displays the status of the ignition voltage availability to the controller. |
| Ignition and Start Signal | Ignition On - Engine Off | 12.60 V | The voltage of the Run/Crank input to the controller. |
| Ignition On - Engine Running | 14.40 V | ||
| Power Mode | - | Run | Displays the state of the ignition. |
| Shift Limiting Active Reason | - | None | Displays current Reason for a default shift pattern. |
| Torque Converter Clutch Pressure Command | 0 km/h (0 MPH) | 0.00 kPa (0.00 PSI) | Displays the commanded pressure to the Torque Converter Clutch. |
| 48 km/h (30 MPH) | 160 kPa (23 PSI) | ||
| 80 km/h (50 MPH) | 250 kPa (36 PSI) | ||
| Torque Converter Clutch Slip Speed | Ignition On - Engine Off | 0 RPM | The Torque Converter Clutch slip speed determined as the difference between engine speed and transmission input shaft speed. |
| Ignition On - Engine Running | 30 RPM | ||
| 48 km/h (30 MPH) | 3 RPM | ||
| 80 km/h (50 MPH) | 9 RPM | ||
| Tow/Haul Mode | Inactive | Inactive | Displays the current state of Tow/Haul Mode. |
| Active | Active | ||
| Transmission Control Solenoid Valve 1 - 9 Calibration Data | - | Valid | Stored history of any condition causing the Transmission Control Solenoid Valves to set a Transmission Control Solenoid Valve Calibration Incorrect DTC. |
| Transmission Control Solenoid Valve 1-9 Control Circuit High Test Status | - | Not Run or Okay | The status of the short to power test. The parameter status will indicate not run, if the command for the solenoid is not in the correct state to perform the circuit test. |
| Transmission Control Solenoid Valve 1-9 Control Circuit Low Test Status | - | Not Run or Okay | The status of the short to ground test. The parameter status will indicate not run, if the command for the solenoid is not in the correct state to perform the circuit test. |
| Transmission Control Solenoid Valve 1 - 9 Control Circuit Open Test Status | - | Not Run or Okay | The status of the open circuit test. The parameter status will indicate not run, if the command for the solenoid is not in the correct state to perform the circuit test. |
| Transmission Control Solenoid Valve 1 Current | Ignition On - Engine Off | 0.0 A | The Average Diagnostic Current for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0.4 A | ||
| 48 km/h (30 MPH) | 1.15 A | ||
| 80 km/h (50 MPH) | 1.15 A | ||
| Transmission Control Solenoid Valve 1 Current Command | Ignition On - Engine Off | 1.15 A | The Current Command for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0.4 A | ||
| 48 km/h (30 MPH) | 1.15 A | ||
| 80 km/h (50 MPH) | 1.15 A | ||
| Transmission Control Solenoid Valve 1 Pressure Command | Ignition On - Engine Off | 0.00 kPa (0.00 PSI) | The commanded pressure for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 760 kPa (110 PSI) | ||
| 48 km/h (30 MPH) | 0 kPa (0 PSI) | ||
| 80 km/h (50 MPH) | 760 kPa (110 PSI) | ||
| Transmission Control Solenoid Valve 2 Current | Ignition On - Engine Off | 0.0 A | The Average Diagnostic Current for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 1.15 A | ||
| 48 km/h (30 MPH) | 1.15 A | ||
| 80 km/h (50 MPH) | 0.0 A | ||
| Transmission Control Solenoid Valve 2 Current Command | Ignition On - Engine Off | 0.0 A | The Current Command for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 1.15 A | ||
| 48 km/h (30 MPH) | 1.15 A | ||
| 80 km/h (50 MPH) | 0.0 A | ||
| Transmission Control Solenoid Valve 2 Pressure Command | Ignition On - Engine Off | 0.00 kPa (0.00 PSI) | The commanded pressure for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 1638 kPa (238 PSI) | ||
| 48 km/h (30 MPH) | 1638 kPa (238 PSI) | ||
| 80 km/h (50 MPH) | 0.00 kPa (0.00 PSI) | ||
| Transmission Control Solenoid Valve 3 Current | Ignition On - Engine Off | 0.0 A | The Average Diagnostic Current for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0.0 A | ||
| 48 km/h (30 MPH) | 1.15 A | ||
| 80 km/h (50 MPH) | 1.15 A | ||
| Transmission Control Solenoid Valve 3 Current Command | Ignition On - Engine Off | 0.0 A | The Current Command for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0.0 A | ||
| 48 km/h (30 MPH) | 1.15 A | ||
| 80 km/h (50 MPH) | 1.15 A | ||
| Transmission Control Solenoid Valve 3 Pressure Command | Ignition On - Engine Off | 0 kPa (0 PSI) | The commanded pressure for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0 kPa (0 PSI) | ||
| 48 km/h (30 MPH) | 800 kPa (116 PSI) | ||
| 80 km/h (50 MPH) | 1344 kPa (195 PSI) | ||
| Transmission Control Solenoid Valve 4 Current | Ignition On - Engine Off | 0.0 A | The Average Diagnostic Current for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 1.15 A | ||
| 48 km/h (30 MPH) | 1.15 A | ||
| 80 km/h (50 MPH) | 1.15 A | ||
| Transmission Control Solenoid Valve 4 Current Command | Ignition On - Engine Off | 1.15 A | The Current Command for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 1.15 A | ||
| 48 km/h (30 MPH) | 1.15 A | ||
| 80 km/h (50 MPH) | 1.15 A | ||
| Transmission Control Solenoid Valve 4 Pressure Command | Ignition On - Engine Off | 0 kPa (0 PSI) | The commanded pressure for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0 kPa (0 PSI) | ||
| 48 km/h (30 MPH) | 0 kPa (0 PSI) | ||
| 80 km/h (50 MPH) | 0 kPa (0 PSI) | ||
| Transmission Control Solenoid Valve 5 Current | Ignition On - Engine Off | 0.0 A | The Average Diagnostic Current for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 1.15 A | ||
| 48 km/h (30 MPH) | 0.4 A | ||
| 80 km/h (50 MPH) | 0.4 A | ||
| Transmission Control Solenoid Valve 5 Current Command | Ignition On - Engine Off | 1.15 A | The Current Command for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 1.15 A | ||
| 48 km/h (30 MPH) | 0.4 A | ||
| 80 km/h (50 MPH) | 0.4 A | ||
| Transmission Control Solenoid Valve 5 Pressure Command | Ignition On - Engine Off | 0 kPa (0 PSI) | The commanded pressure for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0 kPa (0 PSI) | ||
| 48 km/h (30 MPH) | 760 kPa (110 PSI) | ||
| 80 km/h (50 MPH) | 760 kPa (110 PSI) | ||
| Transmission Control Solenoid Valve 6 Current | Ignition On - Engine Off | 0.0 A | The Average Diagnostic Current for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0.85 A | ||
| 48 km/h (30 MPH) | 0.85 A | ||
| 80 km/h (50 MPH) | 0.85 A | ||
| Transmission Control Solenoid Valve 6 Current Command | Ignition On - Engine Off | 0.85 A | The Current Command for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0.85 A | ||
| 48 km/h (30 MPH) | 0.85 A | ||
| 80 km/h (50 MPH) | 0.85 A | ||
| Transmission Control Solenoid Valve 6 Pressure Command | Ignition On - Engine Off | 0 kPa (0 PSI) | The commanded pressure for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0 kPa (0 PSI) | ||
| 48 km/h (30 MPH) | 760 kPa (110 PSI) | ||
| 80 km/h (50 MPH) | 0 kPa (0 PSI) | ||
| Transmission Control Solenoid Valve 7 Current | Ignition On - Engine Off | 0.0 A | The Average Diagnostic Current for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0.0 A | ||
| 48 km/h (30 MPH) | 0.32 A | ||
| 80 km/h (50 MPH) | 0.29 A | ||
| Transmission Control Solenoid Valve 7 Current Command | Ignition On - Engine Off | 0.0 A | The commanded pressure for the Transmission Control Solenoid Valve |
| Ignition On - Engine Running | 0.0 A | ||
| 48 km/h (30 MPH) | 0.32 A | ||
| 80 km/h (50 MPH) | 0.29 A | ||
| Q77H Transmission Control Solenoid Valve 8 | - | Off or On | The current command for the Transmission Control Solenoid Valve 8. |
| Transmission Control Solenoid Valve 9 | - | Off or On | The current command for the Transmission Control Solenoid Valve 9. |
| Transmission Fluid Temperature | Ignition On - Engine Off | 33°C (91°F) | The undefaulted, unfiltered transmission oil / fluid temperature measured by a sensor. In automatic transmission applications, this PID is based upon the transmission oil temperature sensor input to the TCM. |
| Ignition On - Engine Running | 42°C (108°F) | ||
| 48 km/h (30 MPH) | 49°C (120°F) | ||
| 80 km/h (50 MPH) | 63°C (145°F) | ||
| Input Shaft Speed Sensor | Ignition On - Engine Off | 0 RPM | The undefaulted, raw transmission input speed (the speed at the input of the gear box) determined from the speed measured by the Transmission Input Speed Sensor with the application of factors to account for the location of the sensor. |
| Ignition On - Engine Running | 551 RPM | ||
| 48 km/h (30 MPH) | 1166 RPM | ||
| 80 km/h (50 MPH) | 1184 RPM | ||
| Input Speed Sensor Direction | Forward | Forward | The enumerated state of the raw Transmission Input Speed Sensor direction information. This parameter will display Undetermined State, until the TCM receives the speed sensor input. |
| Reverse | Reverse | ||
| Input Speed Sensor Direction Signal | Forward | 0.05 ms | The enumerated state of the raw Transmission Input Speed Sensor direction information. This parameter will display Undetermined State, until the TCM receives the speed sensor input. contains the Transmission Input Speed Sensor Direction ON Period Time in milliseconds. This PID will display 0.00 ms until the TCM receives the speed sensor input |
| Reverse | 0.18 ms | ||
| Intermediate Speed Sensor | 0 km/h (0 MPH) | 0 RPM | Displays the current speed of the Intermediate Speed Sensor 1. |
| 48 km/h (30 MPH) | 975 RPM | ||
| 80 km/h (50 MPH) | 1930 RPM | ||
| Output Shaft Speed Sensor | 0 km/h (0 MPH) | 0 RPM | Displays the current speed of the Output Shaft Speed Sensor. |
| 48 km/h (30 MPH) | 1159 RPM | ||
| 80 km/h (50 MPH) | 1850 RPM | ||
| Output Speed Sensor Direction | Forward | Forward | The enumerated state of the raw Transmission Output Speed Sensor direction information. This parameter will display Undetermined State, until the TCM receives the speed sensor input. |
| Reverse | Reverse | ||
| Output Speed Sensor Direction Signal | Forward | 0.05 ms | The enumerated state of the raw Transmission Output Speed Sensor direction information. This parameter will display Undetermined State, until the TCM receives the speed sensor input. contains the Transmission Output Speed Sensor Direction ON Period Time in milliseconds. This PID will display 0.00 ms until the TCM receives the speed sensor input |
| Reverse | 0.18 ms | ||
| Transmission Range Sensor 1 | P | 15% | The raw PWM duty cycle for Transmission Range Sensor 1/A that is wired to the TCM. |
| R | 39% | ||
| N | 50% | ||
| D | 62% | ||
| M | 74% | ||
| Transmission Range Sensor 2 | P | 85% | The raw PWM duty cycle for Transmission Range Sensor 2/B that is wired to the ECM. |
| R | 60% | ||
| N | 49% | ||
| D | 38% | ||
| M | 26% | ||
| Vehicle Speed | - | Varies | The undefaulted vehicle speed calculated from the Transmission Output Speed Sensor. |
K71 Transmission Control Module - Scan Tool Control Function
| Control Function | Description |
|---|---|
| High Side Driver | Overrides the state of the High Side Driver Output |
| High Side Driver 2 | Overrides the state of the High Side Driver 2 Output |
| Shift Transmission Gear | Overrides the commanded gear output |
| Transmission Control Solenoid Valve 1 - 9 | Overrides the state of the Transmission Control Solenoid Valve - On or Off |
| Transmission Control Solenoid Valve 1 - 7 Current | Overrides the current of the Transmission Control Solenoid Valve - 0 - 1.2 A |
| Torque Converter Clutch - Dynamic Test | Overrides the state of the Transmission Control Solenoid Valve that operates the Torque Converter Clutch, to be used during a road test. |
| Torque Converter Clutch - Static Test | Overrides the state of the Transmission Control Solenoid Valve that operates the Torque Converter Clutch, to be used when the engine is not running. |