Repair Instructions
WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
Perform the Diagnostic Repair Verification after completing the repair.
- Relay Replacement (Attached to Wire Harness)Relay Replacement (Within an Electrical Center)
- Control Module References for ECM replacement, programming, and setup.