C1112 GMC Code - Trailer Brake Signal to Trailer Brake Power Control Module Circuit Malfunction
Quick Answer
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. Common causes include 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. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- C1112 GMC indicates Trailer Brake Signal to Trailer Brake Power Control Module Circuit Malfunction.
- Common causes
- Common causes include 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.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code C1112 GMC Description
What are the Possible Causes of the DTC C1112 GMC?
- 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 to Fix the DTC C1112 GMC?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C1112 GMC code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about C1112 GMC Code
1. What are common symptoms of OBDII code C1112 GMC?
The common symptoms of OBDII code C1112 GMC include malfunctioning trailer brake system, trailer brake warning light on the dashboard, and issues with trailer braking response.
2. What can cause the OBDII code C1112 GMC to trigger?
The OBDII code C1112 GMC is triggered when there is a malfunction in the circuit between the trailer brake signal and the trailer brake power control module.
3. How can I diagnose the issue causing OBDII code C1112 GMC?
To diagnose the issue causing OBDII code C1112 GMC, you can perform a visual inspection of the trailer brake system wiring, check for loose connections, and use a diagnostic scanner to retrieve specific trouble codes.
4. What are some repair tips for addressing OBDII code C1112 GMC?
Some repair tips for addressing OBDII code C1112 GMC include checking and repairing any damaged wiring, ensuring proper connections between the trailer brake signal and the power control module, and resetting the trouble codes after repairs are made.
5. Can I still use my vehicle with OBDII code C1112 GMC present?
It is not advisable to continue using your vehicle with OBDII code C1112 GMC present, as it indicates a malfunction in the trailer brake system that can affect braking performance and safety.
6. Is it necessary to visit a mechanic for OBDII code C1112 GMC repair?
While some DIY enthusiasts may be able to address OBDII code C1112 GMC with basic repairs, it is recommended to visit a qualified mechanic for a thorough diagnosis and proper repair to ensure the issue is resolved correctly.
7. How much does it typically cost to repair OBDII code C1112 GMC?
The cost of repairing OBDII code C1112 GMC can vary depending on the extent of the issue, labor rates in your area, and the specific repairs needed. It is best to obtain quotes from local mechanics for an accurate estimate.
8. Can OBDII code C1112 GMC be a recurring issue?
OBDII code C1112 GMC can be a recurring issue if the underlying cause is not properly addressed during repairs. It is important to ensure all components of the trailer brake system are functioning correctly to prevent the code from reoccurring.
9. How long does it typically take to repair OBDII code C1112 GMC?
The time it takes to repair OBDII code C1112 GMC can vary depending on the complexity of the issue and the availability of parts. Simple repairs may be completed in a few hours, while more extensive repairs could take longer.
10. Can OBDII code C1112 GMC affect the overall performance of my vehicle?
While OBDII code C1112 GMC specifically relates to the trailer brake system, a malfunction in this area can impact the overall performance and safety of your vehicle, especially when towing a trailer. It is important to address the issue promptly to ensure proper braking functionality.
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