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
BCM/DATA DISPLAY/DOORS
LR Window Down Cmd: The scan tool displays On/Off. When the left rear window is commanded down, the scan tool display will change from Off to On.
LR Window Enable Cmd: The scan tool displays On/Off. When the driver switch rear window lockout switch is depressed for the left rear window, the scan tool display will change from Off to On.
LR Window Up Cmd: The scan tool displays On/Off. When the left rear window is commanded up, the scan tool display will change from Off to On.
RR Window Down Cmd: The scan tool displays On/Off. When the right rear window is commanded down, the scan tool display will change from Off to On.
RR Window Enable Cmd: The scan tool displays On/Off. When the driver switch rear window lockout switch is depressed for the right rear window, the scan tool display will change from Off to On.
RR Window Up Cmd: The scan tool displays On/Off. When the right rear window is commanded up, the scan tool display will change from Off to On.
DDM/SPECIAL FUNCTIONS/DOOR WINDOW TEST
Front Window Up/Down: This test will command the front window both up and down.
Rear Window Up/Down: This test will command the rear window both up and down.
PDM/SPECIAL FUNCTIONS/DOOR WINDOW TEST
Front Window Up/Down: This test will command the front window both up and down.
Rear Window Up/Down: This test will command the rear window both up and down.
HVAC CONTROL MODULE/DATA DISPLAY/HVAC SYSTEM DATA
Rear Defrost LED: The scan tool displays On/Off. This parameter indicates the commanded state of the rear defrost indicator.
Rear Defrost State: The scan tool displays On/Off. This parameter indicates the commanded state of the rear defrost.
INPUTS
Rear Defrost Switch: The scan tool displays Active/Inactive. This parameter indicates the current status of the rear defrost switch.
HVAC CONTROL MODULE/OUTPUT CONTROL/SPECIAL FUNCTIONS
Rear Defog: Commands the rear window defogger ON and OFF.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.