C1112 00
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- The TBCM detects a short to ground, open or a short to voltage on the integrated trailer brake relay control active low circuit.
- The TBCM detects an open in the battery positive voltage circuit to the trailer brake control relay.
- The TBCM detects an open in the ground circuit to the trailer brake control relay.
- The TBCM detects a short to ground or open in the solid state relay enable circuit.