C1117 2017 GMC Sierra Code - Manual Trailer Brake Apply Request Signal 2 Malfunction
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
- C1117 2017 GMC Sierra indicates Manual Trailer Brake Apply Request Signal 2 Malfunction.
- 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 C1117 2017 GMC Sierra Description
What are the Possible Causes of the DTC C1117 2017 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 C1117 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 C1117 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 C1117 2017 GMC Sierra Code
1. What are the common symptoms of OBDII code C1117 in a 2017 GMC Sierra?
Common symptoms include issues with the manual trailer brake operation, the trailer brake system not responding correctly, or a warning light on the dashboard indicating a problem with the trailer brake apply request signal.
2. What can cause the OBDII code C1117 in a 2017 GMC Sierra?
The code C1117 in a 2017 GMC Sierra is typically triggered by a malfunction in the manual trailer brake apply request signal 2 circuit. This can be due to wiring issues, a faulty brake controller module, or a problem with the trailer brake system.
3. How can I diagnose the OBDII code C1117 in my 2017 GMC Sierra?
Diagnosing the code C1117 involves checking the wiring harness for any damage, testing the brake controller module for proper operation, and inspecting the trailer brake system components for any faults. A professional diagnostic scan tool can help pinpoint the exact cause of the issue.
4. Can I still drive my 2017 GMC Sierra with the OBDII code C1117 present?
While the vehicle may still be operable with the code C1117, it is recommended to address the issue promptly to ensure the trailer brake system functions correctly. Driving with a malfunctioning trailer brake system can compromise safety when towing.
5. How can I repair OBDII code C1117 in my 2017 GMC Sierra?
Repairing the code C1117 may involve repairing or replacing damaged wiring, replacing the brake controller module if faulty, or addressing any issues with the trailer brake components. It's advisable to consult a professional mechanic for a thorough inspection and proper repair.
6. Is it safe to tow a trailer with a 2017 GMC Sierra experiencing code C1117?
It is not recommended to tow a trailer with a 2017 GMC Sierra that has the code C1117 present. The malfunctioning trailer brake system can compromise braking performance, posing a safety risk to you and other road users.
7. Can resetting the OBDII system clear the C1117 code in a 2017 GMC Sierra?
Resetting the OBDII system may temporarily clear the code C1117, but if the underlying issue causing the malfunction in the trailer brake apply request signal 2 persists, the code is likely to reappear. It's crucial to diagnose and fix the root cause of the problem.
8. How much does it cost to repair OBDII code C1117 in a 2017 GMC Sierra?
The cost of repairing the code C1117 in a 2017 GMC Sierra can vary depending on the extent of the damage, parts needing replacement, and labor costs. It's recommended to seek estimates from reputable mechanics or dealerships for an accurate cost assessment.
9. Can a DIY enthusiast fix OBDII code C1117 in a 2017 GMC Sierra?
While some DIY enthusiasts may have the skills to address wiring issues or replace components related to the code C1117, it is advisable to consult a professional mechanic for proper diagnosis and repair. The trailer brake system is critical for safety when towing.
10. Does the OBDII code C1117 affect the overall performance of a 2017 GMC Sierra?
While the code C1117 specifically relates to the manual trailer brake apply request signal 2 malfunction, addressing this issue is crucial to maintain the proper functioning of the trailer brake system, ensuring safe towing and overall vehicle performance.
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