Circuit/System Verification
WARNING: This page is about a different car, the 2013 GMC Acadia, 2013 Chevrolet Traverse, and 2013 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
Perform the scan tool Stolen Vehicle Slow-Down Clear. Verify DTC P162B is not set.
- If the DTC is set, replace the vehicle communication interface module and retest. If the DTC sets again, replace the ECM.