Body Control Module Scan Tool Information

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

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.
Ambient Light Sensor	Varies	This displays Volts. This is the current voltage at the ambient light sensor.
Ambient Light Status	Varies	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.
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.
Courtesy Lamp PWM Cmd.	Varies	This displays percent. This is the current dimming percentage of the courtesy lamps.
Cruise Control Switch	Off	The scan tool displays Off, On, Resume, Set, Error or Cancel. This is the current state of the cruise control 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.
Ctsy. Lamp Actv. Reason	Varies	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	Run	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	Varies	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.
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	Active	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 Closed Switch	Active	The scan tool displays Active or Inactive. This is the state of the hood closed switch.
Hood Open Switch	Inactive	The scan tool displays Active or Inactive. This is the state of the hood open switch.
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	Run	The scan tool displays Key In/Off, Key Out/ACC, Crank or Run. This is the state of the ignition switch.
Ignition Accessory/Run	Active	The scan tool displays Active or Inactive. This is the state of the ignition accessory/run.
Ignition Run/Crank	Active	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.
Int. Trunk/Liftglass Sw.	Inactive	The scan tool displays Active or Inactive. This is the state of the interior trunk or liftglass release switch.
Key in Ignition Status	Key In	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 Rear Door Ajar Sw.	Door Closed	The scan tool displays Door Closed or Door Ajar. This is the state of the driver rear door ajar switch.
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 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 Brake Switch	Released	The scan tool displays Applied or Released. This is the state of the park brake switch.
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.
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 Open Sw.	Inactive	The scan tool displays Active or Inactive. This is the state of the rear closure open switch.
Rear Closure Ajar Sw.	Inactive	The scan tool displays Active or Inactive. This is the state of the rear closure ajar switch.
Rear Doors Lock Cmd.	Off	The scan tool displays On or Off. This is the state of the rear doors lock system.
Rear Doors Unlock Cmd.	Off	The scan tool displays On or Off. This is the state of the rear doors unlock system.
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.
RF Turn Signal	Off	The scan tool displays On or Off. This is the state of the right front turn signal.
Right Rear Door Ajar Sw.	Door Closed	The scan tool displays Door Closed or Door Ajar. This is the state of the passenger rear door ajar switch.
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 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 Switch Status	Varies	This displays Counts.
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.
Courtesy Lamp	This output control is used to command the foot wells and courtesy lamps On and Off.
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 INCREASE or DECREASE by 20 percent increments.
LED Dimming	The BCM dims the LED dimming from 0-100 percent when you select INCREASE or DECREASE by 20 percent increments.
LF Turn Signal	This output control is used to command the left front turn signal On and Off.
Liftglass Release	This output control is used to command the liftglass release switch On and Off.
Lock Rear Doors	This output control is used to command the rear 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.
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.