Repair Instructions
WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. 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
- Refer to Automatic Transmission Wiring Harness Replacement (Electrical Connector Passage Sleeve)
- Refer to Control Valve Body Replacement
- Refer to Transmission Control Wiring Harness Replacement
- For control module replacement, programming, and setup refer to: Control Module References