FixVault

DTC Descriptors

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 GMC Sierra 3500 HD, 2016 GMC Sierra 2500 HD, 2016 GMC Sierra 1500, 2016 Chevrolet Silverado 3500 HD, and 2016 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
DTC C111B 03

Trailer Brake Power Control Module System Voltage - Voltage Below Threshold

DTC C111B 07

Trailer Brake Power Control Module System Voltage - Voltage Above Threshold

DTC C111B 5A

Trailer Brake Power Control Module System Voltage - Plausibility Failure

DTC C1112 00

Trailer Brake Signal to Trailer Brake Power Control Module Circuit - Malfunction

DTC C1113 01

Trailer Brake Power Control Module Enable Circuit - Short to Battery

DTC C1113 02

Trailer Brake Power Control Module Enable Circuit - Short to Ground

DTC C1114 00

Trailer Brake Control Solenoids Control Circuit - Malfunction