Engine-CodesChevrolet – C1116 2014 Chevrolet Silverado

C1116 2014 Chevrolet Silverado Code - Manual Trailer Brake Apply Request Signal 1 Malfunction

Quick Answer

The C1116 code on a 2014 Chevrolet Silverado indicates a malfunction in the manual trailer brake apply request signal 1. Common causes include Faulty manual trailer brake switch, Wiring issues in the trailer brake system, Malfunctioning brake control module. 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
C1116 2014 Chevrolet Silverado indicates Manual Trailer Brake Apply Request Signal 1 Malfunction.
Common causes
Common causes include Faulty manual trailer brake switch, Wiring issues in the trailer brake system, Malfunctioning brake control module.
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.
Table of contents Created and updated by William Orellana on Sep 14, 2024
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Code C1116 2014 Chevrolet Silverado Description

The C1116 code on a 2014 Chevrolet Silverado indicates a malfunction in the manual trailer brake apply request signal 1. This signal is crucial for the vehicle's ability to control and apply the brakes on a trailer when towing. When this signal malfunctions, it can lead to issues with the trailer brake system, affecting the vehicle's towing capabilities and overall safety.

OBDII Code C1116 2014 Chevrolet Silverado - Manual Trailer Brake Apply Request Signal 1 Malfunction
C1116 2014 Chevrolet Silverado Code - Manual Trailer Brake Apply Request Signal 1 Malfunction

Common Causes of C1116 2014 Chevrolet Silverado

  1. Faulty manual trailer brake switch
  2. Wiring issues in the trailer brake system
  3. Malfunctioning brake control module
  4. Corrosion or damage to electrical connections
  5. Software issues in the vehicle's control module

Symptoms of C1116 2014 Chevrolet Silverado

  1. Trailer brakes not engaging properly
  2. Warning light on the dashboard related to trailer brake system
  3. Uneven braking between the vehicle and trailer
  4. Difficulty stopping while towing a trailer

How to Fix C1116 2014 Chevrolet Silverado

  1. Begin by conducting a thorough inspection of the manual trailer brake switch and wiring to check for any visible damage or corrosion.
  2. Test the brake control module to determine if it is functioning correctly or needs to be replaced.
  3. Check and repair any damaged or faulty wiring connections in the trailer brake system.
  4. Clear the diagnostic trouble codes from the vehicle's system and test the trailer brake system to ensure proper functionality.
  5. If necessary, reprogram the vehicle's control module to address any software-related issues.

Cost to Fix C1116 2014 Chevrolet Silverado

The typical repair costs for addressing a C1116 code on a 2014 Chevrolet Silverado can vary depending on the specific cause of the issue. On average, the repair costs for this type of problem can range from $200 to $500, including parts and labor. However, it is important to note that the actual cost may vary based on factors such as the location of the repair shop, the make and model of the vehicle, and the extent of the repairs needed. It is recommended to consult with a professional mechanic to get a more accurate estimate based on the specific circumstances of the vehicle. Labor rates at auto repair shops typically range from $80 to $150 per hour, but rates may differ based on the shop's location and expertise.

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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 C1116 2014 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code C1116 in a 2014 Chevrolet Silverado?

- The common symptoms include the manual trailer brake not working or applying incorrectly, illuminated warning lights on the dashboard related to the trailer brake system, and potential issues with trailer braking performance.

2. What can cause the OBDII code C1116 in a 2014 Chevrolet Silverado?

- The code C1116 typically indicates a malfunction in the manual trailer brake apply request signal system. Possible causes include faulty wiring, damaged connectors, a defective trailer brake control module, or issues with the brake switch.

3. How can I diagnose the OBDII code C1116 in my 2014 Chevrolet Silverado?

- Diagnosing this code involves checking the wiring and connectors related to the trailer brake system for any damage or corrosion, testing the trailer brake control module for proper functionality, and ensuring the brake switch is working correctly.

4. Can I continue to drive my Chevrolet Silverado with the C1116 code present?

- It is not recommended to drive the vehicle with the C1116 code active, as it indicates a malfunction in the trailer brake system that could compromise braking performance while towing a trailer.

5. Is it possible to repair the C1116 code in a 2014 Chevrolet Silverado myself?

- Depending on your expertise, you may be able to address the C1116 code yourself by checking the wiring, connectors, and components associated with the manual trailer brake system. However, complex issues might require professional diagnosis and repair.

6. How much does it cost to fix the C1116 code in a 2014 Chevrolet Silverado?

- The cost of fixing the C1116 code can vary depending on the root cause of the issue. Simple fixes like repairing wiring or connectors may be relatively inexpensive, while replacing the trailer brake control module could be more costly.

7. Can resetting the OBDII system clear the C1116 code in a 2014 Chevrolet Silverado?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the C1116 code is not addressed, the code is likely to reappear once the system detects the problem again.

8. Are there any safety concerns associated with the C1116 code in a 2014 Chevrolet Silverado?

- Yes, safety concerns are associated with the C1116 code as it relates to the manual trailer brake system. Proper trailer brake function is crucial for safe towing, so addressing this code promptly is essential.

9. How important is it to fix the C1116 code in a timely manner?

- It is crucial to address the C1116 code promptly to ensure the proper functioning of the manual trailer brake system. Ignoring the issue could lead to unsafe towing conditions and potential brake failures while hauling a trailer.

10. Can the C1116 code in a 2014 Chevrolet Silverado be intermittent?

- Yes, the C1116 code can sometimes be intermittent, especially if the issue is related to loose wiring or intermittent electrical connections. However, it is still important to diagnose and repair the underlying problem to prevent further issues.

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