Trailer Brake Power Control Module Enable Circuit Short to Battery
Table of contents
C1113 GMC Possible Causes
- Faulty Trailer Brake Power Control Module
- Trailer Brake Power Control Module harness is open or shorted
- Trailer Brake Power Control Module circuit poor electrical connection
How do I fix code C1113 GMC?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Tech Notes
- – C1113:01 Trailer Brake Power Control Module Enable Circuit – Short to Battery
- – C1113:02 Trailer Brake Power Control Module Enable Circuit – Short to Ground
Cost of diagnosing the C1113 GMC code
The cost of diagnosing the C1113 GMC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Anti-Lock Brake System (ABS) Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
C1113 GMC Description
The chassis control module receives inputs from the trailer brake power control module; these inputs are used to determine trailer connection and the amount of voltage supplied to the trailer brakes. The trailer brake power control module detects a short to voltage in the trailer brake enable signal circuit.