C1115 2017 Chevrolet Silverado 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 2017 Chevrolet Silverado 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 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC C1115 2017 Chevrolet Silverado?
- 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 2017 Chevrolet Silverado?
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 2017 Chevrolet Silverado 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.
Need more information about the C1115 2017 Chevrolet Silverado code?
Need more information on how to fix the C1115 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the C1115 2017 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about C1115 2017 Chevrolet Silverado Code
What does the OBDII code C1115 mean on a 2017 Chevrolet Silverado?
Code C1115 indicates an issue with the Manual Trailer Brake Apply Request Switch Signal, which is part of the trailer brake control system.
What are common symptoms of code C1115 in a 2017 Chevrolet Silverado?
Symptoms may include a non-functional manual trailer brake lever, trailer brake warning messages, or reduced braking performance while towing.
What causes the C1115 code on a 2017 Chevrolet Silverado?
Possible causes include a faulty manual trailer brake switch, wiring issues such as damaged or disconnected harnesses, or a malfunctioning trailer brake control module.
How can I diagnose code C1115 on a 2017 Chevrolet Silverado?
Start by inspecting the manual trailer brake switch and its wiring for damage or loose connections. Use a scan tool to check for related codes and test the trailer brake control module.
Can I still tow a trailer with code C1115 active?
Towing is possible, but the trailer brakes may not function properly, posing safety risks. It's recommended to resolve the issue before towing.
How do I fix code C1115 on a 2017 Chevrolet Silverado?
Repairs may involve replacing the manual trailer brake switch, repairing damaged wiring, or reprogramming or replacing the trailer brake control module.
Will resetting the code fix the issue permanently?
Clearing the code may turn off the warning temporarily, but the underlying problem must be addressed to prevent the code from reappearing.
How much does it cost to repair code C1115 on a 2017 Chevrolet Silverado?
Repair costs vary depending on the issue; replacing the switch may cost $50-$150, while module repairs or replacements can exceed $300-$500.
Can a faulty trailer brake switch damage other systems in the truck?
While uncommon, prolonged issues with the trailer brake system may strain the vehicle’s electrical system or affect towing safety features.
Do I need special tools to fix code C1115?
A scan tool is often required to retrieve and clear codes, and basic automotive tools may be needed for switch or wiring repairs.
Discuss the causes and fixes for C1115 2017 Chevrolet Silverado OBDII Code
Code C1115 2017 Chevrolet Silverado 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.
