C111A 2016 GMC Sierra Code - Trailer Brake Power Control Module
Quick Answer
The C111A diagnostic trouble code (DTC) specifically relates to the Trailer Brake Power Control Module in a 2016 GMC Sierra. Common causes include Faulty trailer brake power control module, Wiring issues or electrical connection problems, Corrosion or damage to the module components. 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
- C111A 2016 GMC Sierra indicates Trailer Brake Power Control Module.
- Common causes
- Common causes include Faulty trailer brake power control module, Wiring issues or electrical connection problems, Corrosion or damage to the module components.
- 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.
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Code C111A 2016 GMC Sierra Description
The C111A diagnostic trouble code (DTC) specifically relates to the Trailer Brake Power Control Module in a 2016 GMC Sierra. This code indicates a problem with the module responsible for controlling the power to the trailer brakes. The trailer brake power control module is a crucial component that ensures the proper functioning of the trailer brakes when towing a trailer. When this module malfunctions, it can lead to issues with the trailer brakes, potentially compromising the safety and performance of the vehicle while towing.
Common Causes of C111A 2016 GMC Sierra
- Faulty trailer brake power control module
- Wiring issues or electrical connection problems
- Corrosion or damage to the module components
- Software or programming issues with the module
- Overloading the trailer beyond the vehicle's towing capacity
Symptoms of C111A 2016 GMC Sierra
- Trailer brakes not engaging properly
- Warning light on the dashboard related to trailer brake system
- Decreased braking performance while towing
- Unusual noises coming from the trailer brake system
How to Fix C111A 2016 GMC Sierra
- Begin by conducting a thorough inspection of the trailer brake power control module and associated wiring to identify any visible damage or corrosion.
- Test the electrical connections and wiring harness for continuity and proper voltage levels.
- If no visible issues are found, use a diagnostic scan tool to check for any stored trouble codes and perform a detailed analysis of the module's functionality.
- If the module is determined to be faulty, it will need to be replaced with a new one that is compatible with the vehicle's make and model.
- After replacing the module, perform a final test to ensure that the trailer brake system is functioning correctly and that the C111A code has been successfully cleared.
Cost to Fix C111A 2016 GMC Sierra
The cost of repairing the Trailer Brake Power Control Module related to the C111A code can vary depending on the extent of the issue and the specific parts needed for the repair. On average, the cost of replacing the module and addressing any associated wiring or electrical issues can range from $200 to $500. However, it is essential to note that labor rates at auto repair shops can vary significantly, with hourly rates typically falling between $80 and $150. Additional costs may apply if further diagnostics or repairs are required. It is recommended to obtain a detailed quote from a trusted auto repair shop to get an accurate estimate for this repair.
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