C1114 2017 GMC Sierra Code - Trailer Brake Control Solenoids Control Circuit Malfunction
Quick Answer
The Chassis Control Module-Auxiliary 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
- C1114 2017 GMC Sierra indicates Trailer Brake Control Solenoids Control 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 C1114 2017 GMC Sierra Description
What are the Possible Causes of the DTC C1114 2017 GMC Sierra?
- 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
- Faulty Chassis Control Module-Auxiliary
How to Fix the DTC C1114 2017 GMC Sierra?
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 C1114 2017 GMC Sierra 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 C1114 2017 GMC Sierra Code
1. What does OBDII code C1114 mean on a 2017 GMC Sierra?
C1114 indicates a "Trailer Brake Control Solenoids Control Circuit Malfunction," meaning there's an issue in the circuit that controls the trailer brake solenoids.
2. What are the common symptoms of C1114 on a 2017 GMC Sierra?
Common symptoms include a trailer brake warning light, reduced or no trailer brake functionality, and possibly a "Check Trailer Wiring" message on the dashboard.
3. What causes the C1114 code to appear?
Typical causes include damaged or corroded wiring, a faulty trailer brake control module, failed solenoids, or poor electrical connections in the trailer brake system.
4. Can I still tow a trailer with the C1114 code active?
You may be able to tow, but the trailer brakes might not function correctly, increasing stopping distances and reducing safety. It's recommended to address the issue before towing.
5. How do I troubleshoot the C1114 code?
Inspect the trailer wiring for damage, check for corrosion or loose connections at the trailer brake connector, and test the trailer brake control module and solenoids for proper functionality.
6. How much does it cost to fix the C1114 code?
The repair cost varies depending on the issue. Wiring repairs might cost $50–$200, while replacing the trailer brake control module could range from $300 to $600, including labor.
7. Can a faulty trailer affect the C1114 code on my GMC Sierra?
Yes, a trailer with damaged wiring or faulty brake components can trigger this code. Always inspect the trailer's electrical system when diagnosing this issue.
8. Is it safe to drive with the C1114 code active?
While the truck can still be driven, the trailer brake functionality may be compromised. Avoid towing until the issue is resolved to ensure safety.
9. Do I need a professional to fix a C1114 code?
If you're experienced with electrical diagnostics and repairs, you may be able to fix it yourself. Otherwise, it’s best to consult a professional mechanic to avoid further damage.
10. Can clearing the code fix the C1114 issue?
Clearing the code may temporarily turn off the warning, but the underlying issue causing the code must be addressed to prevent it from returning.
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