AutoCodes – Chevrolet – C1117 Chevrolet

C1117 Chevrolet 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 Chevrolet 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.
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Code Popularity 5,072
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 18, 2023
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Code C1117 Chevrolet Description

The trailer brake control system has a control panel with the trailer gain and manual apply switches. The switches are located on the instrument panel to the left of the steering column. The control panel and switches allow you to adjust the amount of output, referred to as trailer gain, available to the electric trailer brakes and allow you to manually apply the trailer brakes. The trailer brake control panel and switches are used along with the trailer brake display page on the driver information center to adjust and display power output to the trailer brakes.
OBDII Code C1117 Chevrolet - Manual Trailer Brake Apply Request Signal 2 Malfunction - AutoCodes.com
C1117 Chevrolet Code - Manual Trailer Brake Apply Request Signal 2 Malfunction

What are the Possible Causes of the DTC C1117 Chevrolet?

  • 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 Chevrolet?

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 Chevrolet 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 C1117 Chevrolet code?

Need more information on how to fix the C1117 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1117 Chevrolet code diagnosed by a professional: Find a repair shop in your area

Information for Specific Chevrolet Models

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C1117 Chevrolet Code

1. What are the common symptoms of OBDII code C1117 in a Chevrolet related to the Manual Trailer Brake Apply Request Signal 2 Malfunction?

- Common symptoms include the trailer brake system not working properly, dashboard warning lights related to the trailer brake system, and potential issues with applying manual trailer brakes.

2. What are some possible causes of the C1117 code in a Chevrolet?

- Possible causes can include faulty wiring or connections in the trailer brake system, a malfunctioning trailer brake control module, or issues with the brake pedal position sensor.

3. How serious is the Manual Trailer Brake Apply Request Signal 2 Malfunction in a Chevrolet?

- This issue can affect the proper functioning of the trailer brake system, which is crucial for safe towing. It is recommended to address this issue promptly to ensure the trailer brakes work as intended.

4. Can I continue to drive my Chevrolet with the C1117 code present?

- It is not recommended to drive the vehicle with an unresolved trailer brake system malfunction. Addressing the issue promptly will help ensure the safety of towing operations.

5. How can I diagnose and repair the C1117 code in a Chevrolet?

- Diagnosing and repairing the C1117 code may require inspecting the trailer brake system wiring, connections, and components. It is recommended to consult a professional mechanic or use diagnostic tools to pinpoint the exact cause of the malfunction.

6. Is it possible to reset the C1117 code in a Chevrolet without fixing the issue?

- While you can reset the code using an OBDII scanner, it is crucial to address the underlying problem causing the Manual Trailer Brake Apply Request Signal 2 Malfunction to prevent further issues with the trailer brake system.

7. Will the C1117 code cause my Chevrolet to fail an emissions test?

- The C1117 code is related to the trailer brake system and is unlikely to cause your Chevrolet to fail an emissions test. However, it is still important to address the issue for safe towing operations.

8. Can weather conditions affect the occurrence of the C1117 code in a Chevrolet?

- Extreme weather conditions or exposure to moisture can potentially impact the trailer brake system components and wiring, leading to issues like the Manual Trailer Brake Apply Request Signal 2 Malfunction. Inspecting and protecting the system from environmental factors may help prevent such problems.

9. Are there any preventive measures I can take to avoid the C1117 code in my Chevrolet?

- Regular inspection and maintenance of the trailer brake system, including checking for loose connections, corroded wiring, and proper functioning of components, can help prevent issues like the Manual Trailer Brake Apply Request Signal 2 Malfunction.

10. How much can I expect to pay for repairing the C1117 code in a Chevrolet?

- The cost of repairing the C1117 code can vary depending on the exact cause of the issue and the labor rates in your area. It is recommended to obtain quotes from different mechanics to compare prices for fixing the Manual Trailer Brake Apply Request Signal 2 Malfunction.

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