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Engine-Codes – Chevrolet – C1116 2016 Chevrolet Silverado

C1116 2016 Chevrolet Silverado Code - Manual Trailer Brake Apply Request Signal 1 Malfunction

Quick Answer

The C1116 code for a 2016 Chevrolet Silverado indicates a Manual Trailer Brake Apply Request Signal 1 Malfunction. Common causes include Faulty trailer brake controller, Wiring issues or shorts in the trailer brake system, Malfunctioning sensors related to trailer brake application. 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 2016 Chevrolet Silverado indicates Manual Trailer Brake Apply Request Signal 1 Malfunction.
Common causes
Common causes include Faulty trailer brake controller, Wiring issues or shorts in the trailer brake system, Malfunctioning sensors related to trailer brake application.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code C1116 2016 Chevrolet Silverado Description

The C1116 code for a 2016 Chevrolet Silverado indicates a Manual Trailer Brake Apply Request Signal 1 Malfunction. This code is related to the vehicle's trailer brake system, specifically signaling a problem with the manual application of the trailer brakes. In vehicles equipped with a trailer brake controller, this code may affect the ability to manually apply the brakes on a trailer being towed.

OBDII Code C1116 2016 Chevrolet Silverado - Manual Trailer Brake Apply Request Signal 1 Malfunction
C1116 2016 Chevrolet Silverado Code - Manual Trailer Brake Apply Request Signal 1 Malfunction

Common Causes of C1116 2016 Chevrolet Silverado

  1. Faulty trailer brake controller
  2. Wiring issues or shorts in the trailer brake system
  3. Malfunctioning sensors related to trailer brake application
  4. Brake actuator failure
  5. Corrosion or damage to electrical connections in the trailer brake system

Symptoms of C1116 2016 Chevrolet Silverado

  1. Inability to manually apply trailer brakes
  2. Warning light on the dashboard related to trailer brake system
  3. Decreased braking performance while towing a trailer
  4. Erratic behavior of the trailer brake system
  5. ABS system engaging unexpectedly while towing

How to Fix C1116 2016 Chevrolet Silverado

  1. Begin by conducting a thorough inspection of the trailer brake system, including the controller, wiring, sensors, and actuator.
  2. Test the manual application function of the trailer brakes to identify the specific component causing the malfunction.
  3. Replace any faulty components such as the trailer brake controller, sensors, or wiring harness.
  4. Clear the diagnostic trouble codes from the vehicle's system and perform a test drive to ensure the issue has been resolved.
  5. Calibrate the trailer brake system as per manufacturer specifications to ensure proper functionality.

Cost to Fix C1116 2016 Chevrolet Silverado

The cost of repairing a Manual Trailer Brake Apply Request Signal 1 Malfunction on a 2016 Chevrolet Silverado can vary depending on the specific cause of the issue and the parts needed for repair. On average, the repair costs for this type of issue can range from $200 to $500, including parts and labor. However, it is important to note that labor rates at auto repair shops can vary significantly, typically ranging between $80 and $150 per hour. Rates may be higher at dealerships or in metropolitan areas, while independent shops may offer lower prices. For a more accurate estimate, it is recommended to obtain quotes from local auto repair shops.

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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 2016 Chevrolet Silverado Code

1. What are common symptoms of OBDII code C1116 on a 2016 Chevrolet Silverado?

The common symptoms of OBDII code C1116 on a 2016 Chevrolet Silverado include issues with manual trailer brake application, possible ABS warning lights on the dashboard, and potential difficulties with braking while towing a trailer.

2. What does the OBDII code C1116 "Manual Trailer Brake Apply Request Signal 1 Malfunction" mean for a 2016 Chevrolet Silverado?

This code indicates a malfunction in the manual trailer brake apply request signal system of a 2016 Chevrolet Silverado, specifically related to signal 1.

3. What are possible causes of OBDII code C1116 on a 2016 Chevrolet Silverado?

Possible causes of OBDII code C1116 on a 2016 Chevrolet Silverado include faulty wiring or connections in the trailer brake system, a malfunctioning trailer brake controller, or issues with the ABS module.

4. How can I diagnose the OBDII code C1116 on my 2016 Chevrolet Silverado?

To diagnose OBDII code C1116 on a 2016 Chevrolet Silverado, you can start by checking the trailer brake wiring and connections, testing the trailer brake controller, and inspecting the ABS module for any faults.

5. Can I still drive my 2016 Chevrolet Silverado with OBDII code C1116 active?

It is not recommended to drive your 2016 Chevrolet Silverado with OBDII code C1116 active, as it may affect the functionality of the manual trailer brake system and compromise your ability to brake safely, especially while towing.

6. How do I repair OBDII code C1116 on my 2016 Chevrolet Silverado?

Repairing OBDII code C1116 on a 2016 Chevrolet Silverado involves identifying and fixing the root cause of the issue, which may include repairing or replacing faulty wiring, addressing problems with the trailer brake controller, or resolving issues with the ABS module.

7. Can a DIY enthusiast fix OBDII code C1116 on a 2016 Chevrolet Silverado?

Depending on your skill level and experience with automotive repairs, a DIY enthusiast may be able to fix OBDII code C1116 on a 2016 Chevrolet Silverado by following diagnostic procedures, checking wiring and connections, and making necessary repairs or replacements.

8. Is it necessary to reset the OBDII code C1116 after repairing the issue on a 2016 Chevrolet Silverado?

Yes, it is recommended to reset the OBDII code C1116 after repairing the underlying issue on a 2016 Chevrolet Silverado to clear the fault code from the system and ensure that the repair was successful.

9. Will OBDII code C1116 cause any long-term damage to my 2016 Chevrolet Silverado if left unaddressed?

Leaving OBDII code C1116 unaddressed on a 2016 Chevrolet Silverado can potentially lead to further issues with the manual trailer brake system, affecting the vehicle's towing capabilities and overall safety.

10. How can I prevent OBDII code C1116 from recurring on my 2016 Chevrolet Silverado?

To prevent OBDII code C1116 from recurring on your 2016 Chevrolet Silverado, it's essential to perform regular maintenance checks on the trailer brake system, ensure proper wiring connections, and address any issues promptly to avoid future malfunctions.

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