Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2007 GMC Acadia AWD V6-3.6LFACTORY OEM SERVICE PROCEDURE
Scan Tool Data Definitions
SCAN TOOL DATA DEFINITIONS
DATA DISPLAY/BODY REAR END
Endgate Handle Sw: The scan tool displays Active/Inactive. The scan tool displays the status of the endgate handle switch and the endgate close switch.
Endgate Lock Status: This parameter indicates the status of the endgate as either being Locked or Unlocked.
Endgate Release Cmd: The scan tool displays On/Off. The scan tool displays the commanded state of the release portion of the endgate latch.
Ext. Trunk/Liftglass Rel. Sw: The scan tool displays Active/Inactive. Active is displayed when the liftglass release switch is being pressed and Inactive is displayed when the liftgate release switch in not being pressed.
Int. Trunk/Liftglass Sw: The scan tool displays Active/Inactive. The scan tool displays the status of the interior liftglass release switch.
Liftgate Handle Sw: The scan tool displays Active/Inactive. The scan tool displays the status of the liftgate handle switch and the liftgate close switch.
Liftgate Lock Status: This parameter indicates the status of the liftgate as either being Locked or Unlocked.
Liftgate Release Cmd: The scan tool displays On/Off. The scan tool displays the commanded state of the release portion of the liftgate latch.
Liftglass Release Cmd: The scan tool displays On/Off. The scan tool displays the commanded state of the release portion of the liftglass latch.
Rear Cargo Lock Sw: The scan tool displays Active/Inactive. The vehicle liftgate lock switch inputs to the body control module (BCM), where a switch transition to the Lock position is displayed as Active.
Rear Cargo Unlock Sw: The scan tool displays Active/Inactive. The vehicle liftgate lock switch inputs to the BCM, where a switch transition to the Unlock position is displayed as Active.
Rear Closure Cyl. Unlock Sw: This parameter indicates the current status of the liftgate cylinder unlock switch as being Active or Inactive.
Rear Closure Open Sw: The scan tool displays Active/Inactive. The scan tool displays the status of the liftgate open switch.
Rear Closure Ajar Sw: The scan tool displays Active/Inactive. The scan tool displays the state of the liftgate ajar switch as seen at the rear integration module.
DATA DISPLAY/DOORS
Door Lock Requestor: This parameter represents the door lock function responsible for a door lock activation.
Driver Door Unlock Cmd: When the BCM sends a driver door unlock command to the driver unlock relay, the parameter will be On.
Left Rear Door Ajar Sw: The scan tool displays Door Closed/Door Ajar, the left rear door ajar switch input to the BCM, where an open door is displayed as Ajar.
Rear Doors Lock Cmd: This parameter indicates the commanded state of the rear door lock relay control circuit.
Rear Doors Unlock Cmd: This parameter indicates the commanded state of the rear door unlock relay control circuit.
Right Rear Door Ajar Sw: This parameter indicates the current status of the door ajar switch input to the BCM.
SPECIAL FUNCTIONS/OUTPUT CONTROLS
Door Lock/Unlock: This test will lock and unlock the front door lock actuator.
Door Dead Bolt Lock/Unlock: This test will lock and unlock the front door dead bolt actuator.
Liftgate Open/Close Test: This test will open and close the power liftgate including unlatching and cinch-in the liftgate latch.
Liftgate Learn: This procedure will open the power liftgate including unlatching liftgate latch.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
