C1115 2014 GMC Sierra Code - Manual Trailer Brake Apply Request Switch Signal
Quick Answer
The trailer brake control system has a control panel with the trailer gain and manual apply switches. Common causes include Faulty Trailer Brake Control Switch, Trailer Brake Control Switch harness is open or shorted, Trailer Brake Control Switch 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
- C1115 2014 GMC Sierra indicates Manual Trailer Brake Apply Request Switch Signal.
- Common causes
- Common causes include Faulty Trailer Brake Control Switch, Trailer Brake Control Switch harness is open or shorted, Trailer Brake Control Switch 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 C1115 2014 GMC Sierra Description
What are the Possible Causes of the DTC C1115 2014 GMC Sierra?
- Faulty Trailer Brake Control Switch
- Trailer Brake Control Switch harness is open or shorted
- Trailer Brake Control Switch circuit poor electrical connection
- Faulty Chassis Control Module-Auxiliary
How to Fix the DTC C1115 2014 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.
Code Tech Notes
C1115:5A Manual Trailer Brake Apply Request Switch Signal Plausibility Failure
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C1115 2014 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 C1115 2014 GMC Sierra Code
1. What are the common symptoms of OBDII code C1115 on a 2014 GMC Sierra related to the Manual Trailer Brake Apply Request Switch Signal?
- The common symptoms include the trailer brake system not responding properly or the manual trailer brake apply request switch not functioning as intended.
2. What are the possible causes of OBDII code C1115 on a 2014 GMC Sierra?
- The code C1115 can be triggered by a faulty manual trailer brake apply request switch signal, wiring issues, or a malfunction in the trailer brake system.
3. How can I diagnose the cause of OBDII code C1115 on my 2014 GMC Sierra?
- To diagnose the issue, you can start by checking the wiring and connections related to the manual trailer brake apply request switch. Inspect for any visible damage or loose connections.
4. Can a DIY enthusiast repair OBDII code C1115 on a 2014 GMC Sierra?
- Depending on the specific cause, a DIY enthusiast may be able to repair the issue by replacing the faulty manual trailer brake apply request switch or addressing any wiring issues. However, professional help may be required for more complex problems.
5. Is it safe to continue driving with OBDII code C1115 on a 2014 GMC Sierra?
- It is not recommended to continue driving with unresolved OBDII code C1115, as it can affect the functionality of the trailer brake system, compromising safety while towing.
6. How much does it typically cost to repair OBDII code C1115 on a 2014 GMC Sierra?
- The cost of repairing OBDII code C1115 can vary depending on the underlying cause. Simple fixes like replacing the manual trailer brake apply request switch may be relatively affordable, while complex wiring issues could be more costly.
7. Can OBDII code C1115 on a 2014 GMC Sierra be reset without fixing the underlying issue?
- Resetting the code without addressing the root cause is not recommended, as the issue will likely persist and trigger the code again. It's important to diagnose and repair the problem to ensure proper functioning of the trailer brake system.
8. Are there any common related codes that may appear alongside OBDII code C1115 on a 2014 GMC Sierra?
- Depending on the specific circumstances, related codes such as C1114 (Manual Trailer Brake Apply Request Circuit) or C1116 (Manual Trailer Brake Apply Request Signal Missing) may also be present.
9. How can I prevent OBDII code C1115 from recurring on my 2014 GMC Sierra?
- Regularly inspecting and maintaining the trailer brake system, including the manual trailer brake apply request switch and related wiring, can help prevent the recurrence of OBDII code C1115.
10. Is it necessary to visit a dealership for repairs related to OBDII code C1115 on a 2014 GMC Sierra?
- While visiting a dealership or a qualified mechanic is advisable for accurate diagnosis and repair of OBDII code C1115, DIY enthusiasts with the necessary skills and tools may be able to address simpler issues themselves.
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