Repair Instructions

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Perform the Reset Transmission Adapts following all transmission related repairs.
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Replace the control solenoid valve assembly. Refer to Control Module References for replacement, setup, and programming.