AutoCodes – Chevrolet – C1115 2016 Chevrolet Silverado

C1115 2016 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 2016 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.

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Code Popularity 198

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 18, 2023

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code C1115 2016 Chevrolet Silverado 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 C1115 2016 Chevrolet Silverado - Manual Trailer Brake Apply Request Switch Signal - AutoCodes.com — C1115 2016 Chevrolet Silverado Code - Manual Trailer Brake Apply Request Switch Signal

What does this mean?

What are the Possible Causes of the DTC C1115 2016 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 2016 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 does this mean?

Code Tech Notes

C1115:08 Manual Trailer Brake Apply Request Switch Signal Invalid
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 2016 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 2016 Chevrolet Silverado code?

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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 C1115 2016 Chevrolet Silverado Code

1. What does OBDII code C1115 on a 2016 Chevrolet Silverado indicate?

The code C1115 specifically refers to the Manual Trailer Brake Apply Request Switch Signal issue.

2. What are the common symptoms of OBDII code C1115 in a 2016 Chevrolet Silverado?

Common symptoms include the trailer brakes not applying properly or the manual trailer brake switch not functioning as intended.

3. What are the possible causes of OBDII code C1115 in a 2016 Chevrolet Silverado?

Potential causes may include a faulty manual trailer brake switch, wiring issues, or problems with the brake control module.

4. How can I diagnose the OBDII code C1115 on my 2016 Chevrolet Silverado?

Diagnosis involves checking the manual trailer brake switch for proper operation, inspecting the wiring for any damage, and testing the brake control module for faults.

5. Can I still drive my 2016 Chevrolet Silverado with OBDII code C1115?

It is not recommended to drive the vehicle with unresolved brake issues related to this code to ensure safety.

6. How can I fix OBDII code C1115 on my 2016 Chevrolet Silverado?

Repair options include replacing the faulty manual trailer brake switch, repairing any damaged wiring, or addressing issues with the brake control module.

7. Is it possible to reset OBDII code C1115 on a 2016 Chevrolet Silverado without repairs?

Clearing the code without addressing the underlying issue may temporarily remove the warning light, but the problem will likely persist and trigger the code again.

8. Can a DIY enthusiast fix OBDII code C1115 on a 2016 Chevrolet Silverado?

Depending on the skill level and tools available, some individuals may be able to address simpler causes like checking and repairing wiring connections.

9. How much does it typically cost to repair OBDII code C1115 on a 2016 Chevrolet Silverado?

The cost can vary based on the specific cause of the issue but may involve part replacement and labor costs at a repair shop.

10. Will fixing OBDII code C1115 on my 2016 Chevrolet Silverado improve trailer brake performance?

Correcting the underlying issue causing the code should restore proper functionality to the manual trailer brake system, leading to improved trailer brake performance.