Conditions for Setting the DTC

C111B 03 

The trailer brake power control module detects a voltage below a calibrated threshold on the battery positive voltage circuit.

C111B 07 

The trailer brake power control module detects a voltage above a calibrated threshold on the battery positive voltage circuit.

C111B 5A 

The trailer brake power control module monitors the battery positive voltage circuit.

C1112 00 

The trailer brake power control module detects a short to ground, open or a short to voltage on the trailer brake control signal circuit.

C1113 01 

The trailer brake power control module detects a short to voltage in the trailer brake enable signal circuit.

C1113 02 

The trailer brake power control module detects a short to ground or an open in the trailer brake enable signal circuit.

C1114 00 

The trailer brake power control module detects a short to ground, open, a short to voltage or a plausibility failure on the trailer brake output circuit.

For symptom byte information, refer to Symptom Byte List