Repair Instructions
WARNING: This page is about a different car, the 2022 Cadillac CT4. 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
- 2-3-4-6-8 and 4-5-6-7-8 Reverse Clutch Disassemble
- Control Valve Body Assembly Disassemble
- Control Valve Body Replacement
- For control module replacement, programming, and setup refer to: Control Module References
Additional Procedures
- Q77 Transmission Control Solenoid Valve Characterization Programming (8L45) , or Q77 Transmission Control Solenoid Valve Characterization Programming (10L60)
- Transmission Service Fast Learn Procedure - Perform only when the component/system is serviced.