C1117 2017 Chevrolet Silverado 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 Chevrolet Silverado 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 Chevrolet Silverado Description
What are the Possible Causes of the DTC C1117 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 C1117 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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C1117 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.
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Frequently Asked Questions about C1117 2017 Chevrolet Silverado Code
1. What does the OBDII code C1117 mean on a 2017 Chevrolet Silverado?
The code C1117 indicates a "Manual Trailer Brake Apply Request Signal 2 Malfunction," meaning there’s an issue with the trailer brake control system's manual apply request signal.
2. What are common symptoms of code C1117 in a 2017 Chevrolet Silverado?
Common symptoms include the trailer brake system warning light activating, reduced or no trailer braking, and difficulty manually applying the trailer brakes using the controller.
3. What causes the C1117 code to appear in a 2017 Chevrolet Silverado?
Causes may include a faulty trailer brake control switch, damaged wiring or connectors in the trailer brake system, or a malfunction in the trailer brake control module.
4. Is it safe to drive with the C1117 code active in a 2017 Chevrolet Silverado?
While the truck itself may be safe to drive, towing a trailer is not recommended as the trailer brakes may not function properly.
5. How can I diagnose the C1117 code in my 2017 Chevrolet Silverado?
Start by inspecting the trailer brake control switch and its wiring for damage or corrosion. Use a scan tool to test the trailer brake control module and verify the signal from the manual apply switch.
6. Can a faulty trailer brake controller cause the C1117 code?
Yes, a malfunctioning trailer brake controller is one of the most common causes of this code.
7. What tools are needed to fix the C1117 code on a 2017 Chevrolet Silverado?
You’ll need a diagnostic scan tool, a multimeter for testing circuits, and basic tools to inspect and replace components like the trailer brake control switch if needed.
8. How much does it cost to repair the C1117 code on a 2017 Chevrolet Silverado?
Repair costs vary; replacing a trailer brake control switch typically costs $50-$150 in parts, while labor charges depend on the shop rate and diagnostic time.
9. Can I fix the C1117 code on my Silverado by resetting it?
Resetting the code without addressing the underlying issue will only temporarily clear the warning. The problem must be diagnosed and repaired to prevent the code from returning.
10. Is the C1117 code specific to the 2017 Chevrolet Silverado?
No, the code C1117 is a general diagnostic trouble code and may appear in other vehicles with trailer brake systems, but the specific symptoms and causes can vary.
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