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.

Verify the CAL or CAL ERROR is not displayed on radio.

If the radio displays CAL or CAL ERROR, reprogram the radio. If the radio still displays CAL or CAL ERR after performing the reprogramming procedure, replace the radio.