Repair Instructions
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
- Control Valve Body Assembly Removal for shift shaft position switch replacement (MYC 6L80E, MYD 6L90E)
- Control Valve Body Assembly Disassemble for shift shaft position switch replacement (MYC 6L80E, MYD 6L90E)
- Control Module References for ECM replacement, setup and programming.