Automatic Transmission Controls Schematics

WARNING: This page is about a different car, 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.

Fig 1: Module Power, Ground & Serial Data Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 2: Shift Controls Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 3: Pressure & Temperature Controls Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 4: PNP Signals, VSS Signals & Tow/Haul Signal Schematic

Courtesy of GENERAL MOTORS CORP.