Circuit/System Description
WARNING: This page is about a different car, the 2016 Chevrolet Trax and 2016 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
The radio communicates with the radio controls via serial data. This DTC indicates a fault in the radio controls. The radio may continue to respond normally to faceplate functions when this DTC is set.