Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The trailer brake control will be disabled at the end of the current brake apply for the remainder of the ignition cycle.
The Service Trailer Brake System will be displayed on the Driver Information Center (DIC).