Body Control System Schematics

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2009 GMC Yukon XL, 2009 GMC Yukon, 2009 Chevrolet Tahoe, 2009 Chevrolet Suburban, and 2009 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Module Power, Ground, and Serial Data

Courtesy of GENERAL MOTORS CORP.

Fig 2: Power Moding and Interior Light References

Courtesy of GENERAL MOTORS CORP.

Fig 3: Exterior Light References

Courtesy of GENERAL MOTORS CORP.

Fig 4: Vehicle Access and Wiper References

Courtesy of GENERAL MOTORS CORP.

Fig 5: Brake, Horn, Transmission, Theft, and Secondary Configurable Control References

Courtesy of GENERAL MOTORS CORP.