Body Control Module
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
The various body control module (BCM) input and output circuits are described in the corresponding functional areas indicated on the BCM electrical schematics. Some BCM functions with the subsystems may be as a gateway only or as an enable for the system. The BCM related systems/subsystems include, but are not limited to the following:
- Antilock Brake System (ABS)-Refer to ABS Description and Operation , ABS Description and Operation (W JD9) or ABS Description and Operation (W JH6) .
- Automatic Day-Night Mirror-Refer to Automatic Day-Night Mirror Description and Operation .
- Cruise Control System-Refer to Cruise Control Description and Operation .
- Electrical Power Management (EPM)-Refer to Electrical Power Management Description and Operation .
- Exterior Lighting-Refer to Exterior Lighting Systems Description and Operation .
- Horn System-Refer to Horns System Description and Operation .
- HVAC-Refer to Air Delivery Description and Operation and Air Temperature Description and Operation .
- Instrument Cluster Indicator Control-Refer to Instrument Cluster Description and Operation .
- Interior Lighting-Refer to Interior Lighting Systems Description and Operation .
- Power Door Lock System-Refer to Power Door Locks Description and Operation .
- Rear Window Defogger System-Refer to Rear Window Defogger Description and Operation .
- Redundant Steering Wheel Controls-Refer to Steering Wheel Controls Description and Operation .
- Remote Function Actuation (RFA) Control-Refer to Keyless Entry System Description and Operation (without Accessory 2 Way Remote) or Keyless Entry System Description and Operation (with Accessory 2 Way Remote) .
- Retained Accessory Power (RAP)-Refer to Retained Accessory Power (RAP) Description and Operation .
- Shift Lock Control System-Refer to Automatic Transmission Shift Lock Control Description and Operation .
- Starting System-Refer to Starting System Description and Operation .
- Supplemental Inflatable Restraint (SIR) System-Refer to SIR System Description and Operation .
- Suspension System-Refer to Electronic Suspension Control Description and Operation .
- Theft Deterrent-Refer to Content Theft Deterrent (CTD) Description and Operation .
- Tire Pressure Monitor (TPM) System-Refer to Tire Pressure Monitor Description and Operation .
- Wiper/Washer System Functions-Refer to Wiper/Washer System Description and Operation .