C1117 2017 GMC Sierra Code - Manual Trailer Brake Apply Request Signal 2 Malfunction
Quick Answer
The C1117 code for a 2017 GMC Sierra indicates a malfunction with the Manual Trailer Brake Apply Request Signal 2. Common causes include Faulty wiring or connections in the trailer brake system, Malfunctioning trailer brake controller module, Issues with the brake pedal position sensor. 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 wiring or connections in the trailer brake system, Malfunctioning trailer brake controller module, Issues with the brake pedal position sensor.
- 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 C1117 2017 GMC Sierra Description
The C1117 code for a 2017 GMC Sierra indicates a malfunction with the Manual Trailer Brake Apply Request Signal 2. This signal is crucial for the proper functioning of the trailer brake system in the vehicle. When this code appears, it means that the signal being sent to apply the trailer brakes manually is not being received or processed correctly by the vehicle's control module. This can have significant implications for the vehicle's towing capabilities and safety.
Common Causes of C1117 2017 GMC Sierra
- Faulty wiring or connections in the trailer brake system.
- Malfunctioning trailer brake controller module.
- Issues with the brake pedal position sensor.
- Corrosion or damage to the electrical components related to the trailer brake system.
- Software issues in the vehicle's control module.
Symptoms of C1117 2017 GMC Sierra
- Illumination of the trailer brake warning light on the dashboard.
- Inconsistent or delayed response when manually applying trailer brakes.
- Poor braking performance while towing a trailer.
- Erratic behavior of the trailer brake system.
- Loss of control while braking with a trailer attached.
How to Fix C1117 2017 GMC Sierra
- Inspect the wiring and connections in the trailer brake system for any damage or corrosion. Repair or replace as needed.
- Check the trailer brake controller module for proper functioning. Replace if necessary.
- Test the brake pedal position sensor for proper operation. Replace if faulty.
- Clear the code from the vehicle's control module and reset the system.
- Test the trailer brake system to ensure proper function and calibration.
Cost to Fix C1117 2017 GMC Sierra
The cost of repairing a Manual Trailer Brake Apply Request Signal 2 Malfunction can vary depending on the specific cause of the issue. In general, parts and labor for this repair can range from $200 to $500. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to check with local repair shops for a more accurate estimate.
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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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