C1114 Buick 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 Buick 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 Buick Description
What are the Possible Causes of the DTC C1114 Buick?
- 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 Buick?
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 Buick 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 Buick Code
1. What does the OBDII code C1114 mean on a Buick?
C1114 indicates a malfunction in the Trailer Brake Control Solenoids Control Circuit, which manages the trailer brake system's electrical operation.
2. What are the common symptoms of the C1114 code on a Buick?
Symptoms may include the trailer brakes not functioning properly, a warning light on the dashboard, or error messages related to the trailer brake system.
3. What are the possible causes of the C1114 code?
Common causes include damaged or corroded wiring, a faulty trailer brake control solenoid, a defective brake controller module, or poor electrical connections.
4. Can I still drive my Buick with the C1114 code?
Yes, you can still drive your Buick, but the trailer brake system may not work, which is dangerous if towing a trailer. Address the issue promptly if towing is required.
5. How do I diagnose the C1114 code on my Buick?
Start by inspecting the trailer brake wiring and connectors for damage or corrosion. Use a multimeter to test the control circuit and check the solenoid and brake controller module for proper operation.
6. How can I fix the C1114 code on my Buick?
Repairs may include replacing damaged wiring, cleaning corroded connectors, replacing the trailer brake control solenoid, or repairing/replacing the brake controller module.
7. What tools do I need to troubleshoot the C1114 code?
You'll need a diagnostic scan tool, a multimeter for testing electrical circuits, and basic hand tools to inspect and repair wiring or components.
8. Can a blown fuse cause the C1114 code?
Yes, a blown fuse related to the trailer brake system can interrupt the control circuit and trigger the C1114 code.
9. How much does it cost to repair the C1114 code on a Buick?
The repair cost varies depending on the issue. Wiring repairs may cost $50–$200, while replacing the brake control solenoid or module could range from $200–$600 or more.
10. Do I need to reprogram the brake controller module after replacing it?
In some cases, the replacement module may require reprogramming or calibration using a specialized scan tool to ensure proper functionality with your Buick's systems.
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