Body Control Module Scan Tool Information
Body Control Module Scan Tool Data Parameters
| Parameter | Expected Value | Definition |
|---|---|---|
| Operating Conditions: Engine ON | ||
| Accy/RAP Relay Command | On | The scan tool displays On or Off. This is the state of the Accy/RAP relay. |
| Accessory Relay Command | On | The scan tool displays On or Off. This is the state of the accessory relay. |
| All Door Lock Cmd. | Off | The scan tool displays On or Off. |
| Ambient Light Sensor | Varies | This displays Volts. This is the current voltage at the ambient light sensor. |
| Ambient Light Status | Night | The scan tool displays Night, Day, Unknown or Invalid. This is the state of the ambient light sensor. |
| Auto Hdlp. Disable Sw. | Inactive | The scan tool displays Active or Inactive. This is the state of the auto headlamp disable switch. |
| Backup Lamps | Off | The scan tool displays On or Off. This is the state of the backup lamps. |
| Backup Power Moding | Inactive | The scan tool displays Active or Inactive. |
| Batt. Low at Start | No | The scan tool displays Yes or No. Yes is displayed if the state of the battery charge is low during cranking. |
| Batt. Open Ckt. Tested | No | The scan tool displays Yes or No. Yes is displayed if the BCM senses an open battery circuit. |
| Batt. Open Ckt. Voltage | Varies | This displays Volts. |
| Batt. Voltage High Res. | Varies | This displays Volts. |
| Battery Current | Varies | This displays amps. This numeric value is the battery amperage. |
| Battery Sulfation Mode | Inactive | The scan tool displays Active or Inactive. This is the state of the battery sulfation mode. |
| Battery Voltage | Varies | This displays Volts. This is the current battery voltage. |
| Battery Voltage | Normal | This scan tool displays Normal or Out of Range. |
| BPP Sensor | Varies | This displays Counts. This numeric value is the current brake pedal position. |
| BPP Sensor Reference | Varies | This displays Counts. This numeric value is the BPP sensor reference. |
| BPPS Learned Home Position | Varies | This displays Counts. This numeric value is the BPP sensor learned home position. |
| BPPS Move During Learn | No | The scan tool displays Yes or No. Yes is displayed if the BPPS was moved during BPP calibration. |
| BPPS High During Learn | No | The scan tool displays Yes or No. Yes is displayed if the BPPS was high during BPP calibration. |
| BPPS Low During Learn | No | The scan tool displays Yes or No. Yes is displayed if the BPPS was low during BPP calibration. |
| BPPS Status | Undecided | The scan tool displays Invalid, Learned & Invalid, Undecided, Learning and Learned. This is the state of the BPPS calibration in the BCM. |
| Brake Applied Output Signal | Off | The scan tool displays On or Off. This is the state of the brake applied output signal. |
| BTSI Fault | Not Present | The scan tool displays Present or Not Present. Present is displayed if the BCM senses a brake transmission shift interlock (BTSI) fault. |
| Calculated Brake Pedal Position | Varies | This displays Counts. This numeric value is the current brake pedal position. |
| Content Theft Mode | False | The scan tool displays True or False. This is the mode of the content theft system. |
| Courtesy Lamp PWM Cmd. | Varies | This displays percent. This is the current dimming percentage of the courtesy lamps. |
| Crank Abort | False | The scan tool displays True or False. This is the state of the crank abort. |
| Cruise Control Switch | Cancel | The scan tool displays Off, On, Resume, Set, Error or Cancel. This is the current state of the cruise control switch. |
| Cruise Ctrl. LED Dimming Cmd. | Varies | This displays percent. This is the current dimming percentage of the cruise control indicator of the cruise switch. |
| CTD Status | Disarmed | The scan tool displays Disarmed, Armed, Arm Delay or Alarm Active. This is the state of the content theft deterrent (CTD) system. |
| CTD Trigger History 1 | None | The scan tool displays None, Drvr. Door, Psgr. Door, LR Door, RR Door, Rear Closure, Mid Closure, Tonneau, Hood, Ignition, Intrusion, Inclination, Remote, Batt. Reconnect, Power Mode, Tamper, or Glass Break. |
| CTD Trigger History 2 | None | The scan tool displays None, Drvr. Door, Psgr. Door, LR Door, RR Door, Rear Closure, Mid Closure, Tonneau, Hood, Ignition, Intrusion, Inclination, Remote, Batt. Reconnect, Power Mode, Tamper, or Glass Break. |
| CTD Trigger History 3 | None | The scan tool displays None, Drvr. Door, Psgr. Door, LR Door, RR Door, Rear Closure, Mid Closure, Tonneau, Hood, Ignition, Intrusion, Inclination, Remote, Batt. Reconnect, Power Mode, Tamper, or Glass Break. |
| Ctsy. Lamp Actv. Reason | Off | The scan tool displays Off, Panic, Manual, Air Bag, Door Open, RFA, RFA Theft, Door Closed, Exit or Manual Defeat. This is the reason for courtesy lamp activation. |
| Current CTD Trigger | None | The scan tool displays None, Drvr. Door, Psgr. Door, LR Door, RR Door, Rear Closure, Mid Closure, Tonneau, Hood, Ignition, Intrusion, Inclination, Remote, Batt. Reconnect, Power Mode or Tamper. |
| Current Power Mode | Off | The scan tool displays Off, Accessory, Run or Crank Request. This is the state of the ignition switch. |
| Desired Battery Voltage | Varies | This displays Volts. This is the desired battery voltage. |
| Dimming Control Reference | Varies | This displays Volts. This is the dimming control reference voltage. |
| Dimming Control Signal | Varies | This displays percent. This is the dimming control percentage. |
| Dimming Control Signal | Varies | This displays Volts. This is the dimming control signal voltage. |
| Door Lock Requestor | Auto Locks | The scan tool displays Power Lock, Door Key Cyl., Rear Closure, Emergency, Keyless Entry, Passive Keyless, Remote, Delayed Lock, Relocking, Anti-Lockout, Exterior Sw. or Auto Locks. This is the current state of the door lock request as monitored by the BCM. |
| Driver Door Ajar Sw. | Door Closed | The scan tool displays Door Ajar or Door Closed. This is the state of the driver door ajar switch. |
| Driver Door Lock Sw. | Inactive | The scan tool displays Active or Inactive. This is the state of the driver door lock switch. |
| Driver Door Unlock Sw. | Inactive | The scan tool displays Active or Inactive. This is the state of the driver door unlock switch. |
| Driver Identification | Driver 1 | The scan tool displays Driver 1-7 or Unknown. |
| DRL Relay Command | Off | The scan tool displays On or Off. This is the state of the daytime running lamps. |
| Drvr. 1 RVS Status | Off | The scan tool displays On or Off. This is the state of the driver 1 RVS. |
| Drvr. 2 RVS Status | Off | The scan tool displays On or Off. This is the state of the driver 2 RVS. |
| Drvr. Door Unlock Cmd. | Off | The scan tool displays On or Off. This is the state of the driver door unlock system. |
| Estimated Battery Temp. | Varies | This displays °C (°F). This is the current estimated battery temperature. |
| Flash to Pass Switch | Inactive | The scan tool displays Active or Inactive. This is the state of the flash to pass switch. |
| Front Fog Lamp Relay Command | Off | The scan tool displays On or Off. This is the state of the front fog lamp relay system. |
| Front Fog Lamp Switch | Inactive | The scan tool displays Active or Inactive. This is the state of the front fog lamp switch. |
| Fuel Economy Mode | Inactive | The scan tool displays Active or Inactive. This is the state of the fuel economy mode. |
| Hazard Lamp Switch | Inactive | The scan tool displays Active or Inactive. This is the state of the hazard lamp switch. |
| Headlamp Switch | Inactive | The scan tool displays Active or Inactive. This is the state of the headlamp switch. |
| High Beam Relay Command | Off | The scan tool displays On or Off. This is the state of the high beam relay. |
| High Beam Select Switch | Inactive | The scan tool displays Active or Inactive. This is the state of the high beam select switch. |
| Hood Ajar Switch | Closed | The scan tool displays Ajar or Closed. |
| Hood Closed Switch | Inactive | The scan tool displays Active or Inactive. This is the state of the hood closed switch. |
| Hood Switch Fault | Not Present | The scan tool displays Present or Not Present. |
| Horn Relay Command | Off | The scan tool displays On or Off. This is the state of the horn relay. |
| HS Comm. Cmd. | Off | The scan tool displays On or Off. This is the state of the high speed communications command of the BCM. |
| Idle Boost Level 2 Counter | Varies | This displays a numeric value. This is the number of level 2 idle boosts. |
| Idle Boost Level 3 Counter | Varies | This displays a numeric value. This is the number of level 3 idle boosts. |
| Ign. Off/Run/Crank | Key Out/ACC | The scan tool displays Key In/Off, Key Out/ACC, Crank or Run. This is the state of the ignition switch. |
| Ignition Accessory/Run | Inactive | The scan tool displays Active or Inactive. This is the state of the ignition accessory/run. |
| Ignition Run/Crank | Inactive | The scan tool displays Active or Inactive. This is the state of the ignition run/crank. |
| Ignition Switch Fault | No | The scan tool displays Yes or No. Yes is displayed if the BCM senses an ignition switch fault. |
| Incandescent Dimming PWM Cmd. | Varies | This displays percent. This is the current incandescent dimming percentage. |
| Key Cylinder Lock/Unlock Switch | Idle | The scan tool displays Idle, Unlock, Lock, or Invalid. |
| Key In Ignition | No | The scan tool displays Yes or No. |
| Key in Ignition Status | Key Out | The scan tool displays Key In or Key Out. This is the state of the key in ignition. |
| LED Dimming PWM Cmd. | Varies | This displays percent. This is the current LED dimming percentage. |
| Left Turn Signal Switch | Inactive | The scan tool displays Active or Inactive. This is the state of the left turn signal switch. |
| LF Turn Signal | Off | The scan tool displays On or Off. This is the state of the left front turn signal. |
| LR Turn Signal | Off | The scan tool displays On or Off. This is the state of the left rear turn signal. |
| Liftgate Handle Switch | Inactive | The scan tool displays Active or Inactive. This is the state of the liftgate handle switch. |
| Liftgate Release Cmd. | Off | The scan tool displays On or Off. This is the state of the liftgate release. |
| Low Beam Relay Command | Off | The scan tool displays On or Off. This is the state of the low beam relay. |
| Off/Run/Crank Reference | Varies | This displays volts. This is the current off/run/crank reference voltage. |
| Off/Run/Crank Signal | Varies | This displays volts. This is the current off/run/crank signal voltage. |
| Park Lamp Relay Cmd. | Off | The scan tool displays On or Off. This is the state of the park lamp relay. |
| Parklamp Switch | Inactive | The scan tool displays Active or Inactive. This is the state of the park lamp switch. |
| Passenger Door Ajar Sw. | Door Closed | The scan tool displays Door Ajar or Door Closed. |
| Psgr. Door(s) Unlock Cmd. | Off | The scan tool displays On or Off. |
| Powertrain HS Comm. Cmd. | Off | The scan tool displays On or Off. This is the state of the powertrain high speed communications command. |
| Prev. State of Charge | Varies | This displays percent. This was the previous state of charge of the battery. |
| Rain Sensor Signal | Off | The scan tool displays Off, Low Speed, High Speed, Sensor Failed, Ckt. Fault Low, Ckt. Fault High, No Glass or No BCM Data. This is the state of the rain sensor signal. |
| Rear Closure Ajar Sw. | Inactive | The scan tool displays Active or Inactive. This is the state of the rear closure ajar switch. |
| Rear Fog Lamp Relay Cmd. | Off | The scan tool displays On or Off. This is the state of the rear fog lamp relay system. |
| Rear Fog Lamp Switch | Off | The scan tool displays On or Off. This is the state of the rear fog lamp switch. |
| Regulator Setpoint | Varies | This displays percent. This is the set point of the voltage regulator. |
| Remaining Starts 0 | False | The scan tool displays True or False. |
| Remote Start Attempts 0 | False | The scan tool displays True or False. |
| RF Turn Signal | Off | The scan tool displays On or Off. This is the state of the right front turn signal. |
| Right Turn Signal Switch | Inactive | The scan tool displays Active or Inactive. This is the state of the right turn signal switch. |
| RR Turn Signal | Off | The scan tool displays On or Off. This is the state of the right rear turn signal. |
| Run Abort | False | The scan tool displays True or False. |
| Run/Crank Relay Command | Off | The scan tool displays On or Off. |
| Run Relay Command | Off | The scan tool displays On or Off. This is the state of the run relay. |
| Shift Lock Solenoid Command | Off | The scan tool displays On or Off. This is the state of the shift lock solenoid. |
| Start Up State of Charge | Varies | This displays percent. This was the last state of charge of the battery at start up. |
| State of Charge | Varies | This displays percent. This is the current state of charge of the battery. |
| State of Charge Low | No | The scan tool displays Yes or No. Yes is displayed if the state of charge of the battery is low. |
| Stop Lamp Relay Command | Off | The scan tool displays On or Off. |
| SWC Bank 1 Status | Idle | The scan tool displays Idle or Switch 1-10. This is the state of the steering wheel controls (SWC) bank 1. |
| SWC Bank 2 Status | Idle | The scan tool displays Idle or Switch 1-10. This is the state of the steering wheel controls (SWC) bank 2. |
| Tap Up/Down Switch | Off | The scan tool displays On, Off, Up or Down. This is the state of the tap up/down switch. |
| Theft LED | Off | The scan tool displays On, Off, Flash Slow or Flash Fast. This is the current state of the theft indicator. |
| Traction Control Switch | Inactive | The scan tool displays Active or Inactive. This is the state of the traction control switch. |
| Washer Relay Cmd. | Off | The scan tool displays On or Off. This is the state of the washer relay. |
| Windshield Washer Switch | Inactive | The scan tool displays Active or Inactive. This is the state of the windshield washer switch. |
| Windshield Wiper Switch | Off | The scan tool displays Off, Intermittent, Low, High or Switch Fault. This is the state of the windshield wiper switch. |
| Wiper Delay Setting | Varies | This displays a numeric value. This is the wiper delay setting. |
| Wiper High Speed Relay Cmd. | Off | The scan tool displays On or Off. This is the state of the wiper high speed relay. |
| Wiper High Speed Switch | Inactive | The scan tool displays Active or Inactive. This is the state of the wiper high speed switch. |
| Wiper Park Switch | Inactive | The scan tool displays Active or Inactive. This is the state of the wiper park switch. |
| Wiper Relay Cmd. | Off | The scan tool displays On or Off. This is the state of the wiper relay. |
Body Control Module Scan Tool Output Controls
| Scan Tool Output Control | Description |
|---|---|
| Accy/RAP Relay | This output control is used to command the Accy/RAP relay On and Off. |
| Backup Lamps | This output control is used to command the backup lamps On and Off. |
| BPP Sensor Calibration | This output control is used to command the BCM to calibrate the brake pedal position (BPP) sensor to zero. |
| Courtesy Lamp | This output control is used to command the foot wells and courtesy lamps On and Off. |
| Driver Door Unlock | The BCM momentarily pulses only the driver door lock motor. The driver door should unlock when ON is selected. |
| DRL | This output control is used to command the daytime running lamps On and Off. |
| Fog Lamps | This output control is used to command the fog lamps On and Off. |
| High Beams | This output control is used to command the high beam headlights On and Off. |
| Horn | This output control is used to command the horn On and Off. |
| Incandescent Dimming | The BCM dims the incandescent dimming from 0-100 percent when you select. |
| LED Dimming | The BCM dims the LED dimming from 0-100 percent when you select. |
| LF Turn Signal | This output control is used to command the left front turn signal On and Off. |
| Lock All Doors | This output control is used to command the doors to lock. |
| Low Beams | This output control is used to command the low beam headlights On and Off. |
| LR Turn Signal | This output control is used to command the left rear turn signal On and Off. |
| Parking Lamps | This output control is used to command the parking lamps On and Off. |
| Passsenger Door(s) Unlock | The BCM pulses the passenger door unlock motor when you select Unlock. The passenger door should unlock. |
| Rear Body Closure Unlatch | This output control is used to command the rear liftgate to unlatch. |
| Rear Fog Lamps | This output control is used to command the rear fog lamps On and Off. |
| RF Turn Signal | This output control is used to command the right front turn signal On and Off. |
| RR Turn Signal | This output control is used to command the right rear turn signal On and Off. |
| Run/Crank Relay | This output control is used to command the run/crank relay On and Off. |
| Setup SDM Primary Key in BCM | This output control is used to set up the SDM primary key into the BCM. |
| Shift Lock Solenoid | This output control is used to command the shift lock solenoid On and Off. |
| Wiper High Speed Relay | This output control is used to command the wiper high speed relay On and Off. |
| Wiper Relay | This output control is used to command the wiper relay On and Off. |
| Wiper Washer Motor | This output control is used to command the wiper washer motor On and Off. |