Repair Instructions
WARNING: This page is about a different car, the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Cadillac Escalade ESV, and 2018 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification
- Q77 Transmission Control Solenoid Valve Characterization Programming (10L80)
- Automatic Transmission Fluid, Fluid Pan and/or Filter Replacement
- Control Valve Body Replacement
- Control Valve Solenoid Body Replacement
- Torque Converter Diagnosis
- Torque Converter Replacement
- Transmission Service Fast Learn Procedure
- For control module replacement, programming and setup, refer to Control Module References