C1117 2016 GMC Sierra Code - Manual Trailer Brake Apply Request Signal 2 Malfunction
Quick Answer
The C1117 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to a malfunction in the manual trailer brake apply request signal 2. Common causes include Faulty wiring or connections in the trailer brake system, Malfunctioning trailer brake controller, Damaged brake switch. 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 2016 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, Damaged brake switch.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code C1117 2016 GMC Sierra Description
The C1117 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to a malfunction in the manual trailer brake apply request signal 2. In simpler terms, this code indicates that there is an issue with the signal that controls the manual application of the trailer brake. This can have significant implications for the vehicle's towing capabilities and overall safety.
Common Causes of C1117 2016 GMC Sierra
- Faulty wiring or connections in the trailer brake system
- Malfunctioning trailer brake controller
- Damaged brake switch
- Issues with the vehicle's electronic control module (ECM)
- Corrosion or moisture in the trailer brake components
Symptoms of C1117 2016 GMC Sierra
- Inability to manually apply trailer brakes
- Reduced braking effectiveness while towing
- Illumination of the trailer brake warning light on the dashboard
- Erratic behavior of the trailer brake system
- Delayed response when attempting to apply trailer brakes manually
How to Fix C1117 2016 GMC Sierra
- Perform a thorough inspection of the trailer brake system, including wiring, connections, and components.
- Test the trailer brake controller to ensure proper functioning.
- Check the brake switch for any damage or malfunction.
- Inspect the vehicle's ECM for any errors or faults related to the manual trailer brake apply request signal.
- Replace or repair any faulty components identified during the inspection and testing process.
Cost to Fix C1117 2016 GMC Sierra
The typical repair costs for addressing a C1117 code on a 2016 GMC Sierra can vary depending on the specific cause of the issue and the extent of repairs needed. In general, the cost of parts and labor for resolving this problem can range from $200 to $500. However, it's essential to consider that diagnosis time and labor rates at auto repair shops can fluctuate based on various factors. Rates may vary between $80 and $150 per hour, with higher rates in metropolitan areas or at dealerships and lower rates at independent shops. It's advisable to obtain quotes from local auto repair professionals for a more accurate estimate of the repair costs.
Need more information about the C1117 2016 GMC Sierra code?
Need more information on how to fix the C1117 2016 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the C1117 2016 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about C1117 2016 GMC Sierra Code
What does the OBDII code C1117 mean in a 2016 GMC Sierra?
C1117 indicates a malfunction in the Manual Trailer Brake Apply Request Signal 2, which typically relates to the trailer brake system and its communication with the vehicle's control modules.
What are the common symptoms of the C1117 code?
Common symptoms may include warning lights on the dashboard, loss of trailer brake functionality, and possible erratic behavior of the trailer brake controller.
What could cause the C1117 code to trigger?
Causes may include a faulty trailer brake controller, damaged wiring or connectors related to the brake system, or issues with the vehicle’s body control module.
How can I diagnose the C1117 code?
Start by checking for any visible damage to wiring and connectors associated with the trailer brake system. Then, use a scan tool to assess if there are any additional trouble codes present that could provide more context.
What are some common repair tips for the C1117 code?
Repair tips include inspecting and repairing or replacing any damaged wiring or connectors, checking the trailer brake controller for proper operation, and ensuring all relevant fuses are intact.
Is it safe to drive with the C1117 code present?
While it may be possible to drive, it’s not recommended as you could lose trailer braking capability, which poses safety risks. It's best to address the issue before towing.
Can I clear the C1117 code without fixing the problem?
You can clear the code using an OBDII scanner, but if the underlying issue isn't resolved, the code will likely reappear after a short period of driving.
Will a faulty manual trailer brake controller cause the C1117 code?
Yes, a malfunctioning manual trailer brake controller is a common cause of the C1117 code, as it may not send the correct signals to the vehicle's system.
What should I do if I can't find the issue causing the C1117 code?
If you are unable to identify the problem, it’s advisable to consult a qualified mechanic or technician who can conduct a more thorough diagnostic using specialized tools.
Discuss the causes and fixes for C1117 2016 GMC Sierra OBDII Code
Code C1117 2016 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.