Circuit/System Verification
WARNING: This page is about a different car, the 2017 GMC Acadia Limited, 2017 Chevrolet Traverse, and 2017 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
- With a scan tool, verify that any module which stores the vehicle VIN matches the actual vehicle VIN:
- If any modules stored VIN does not match the actual VIN, perform the setup procedure for that module. If the stored VIN does not match after setup, replace the module.
- If all modules VIN match, replace the TDM.