Circuit/System Description
WARNING: This page is about a different car, the 2014 Chevrolet SS. However, it is still accessible from the selected car via links, so may be relevant.
The radio information display and controls are combined in an assembly. The radio communicates with the information display via serial data. This DTC indicates a fault in the information display. No external circuits are involved. The radio and display may continue to operate normally when this DTC is set.