AutoCodes – Chevrolet – C111A 2017 Chevrolet Silverado

C111A 2017 Chevrolet Silverado Code - Trailer Brake Power Control Module

Quick Answer

The internal fault detection is handled inside the Trailer Brake Power Control Module. Common causes include Faulty Trailer Brake Power 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: C111A 2017 Chevrolet Silverado indicates Trailer Brake Power Control Module.
Common causes: Common causes include Faulty Trailer Brake Power 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 233

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 19, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code C111A 2017 Chevrolet Silverado Description

The internal fault detection is handled inside the Trailer Brake Power Control Module. No external circuits are involved. The Trailer Brake Power Control Module runs the program to detect an internal fault when power-up is commanded. The only requirements are voltage and ground. This program runs even if the voltage is out of the valid operating range. The Diagnostic Trouble Code (DTC) will be set when the Trailer Brake Power Control Module has detected an internal malfunction.

OBDII Code C111A 2017 Chevrolet Silverado - Trailer Brake Power Control Module - AutoCodes.com — C111A 2017 Chevrolet Silverado Code - Trailer Brake Power Control Module

What does this mean?

What are the Possible Causes of the DTC C111A 2017 Chevrolet Silverado?

Faulty Trailer Brake Power Control Module

How to Fix the DTC C111A 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 C111A 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.

Need more information about the C111A 2017 Chevrolet Silverado code?

Need more information on how to fix the C111A 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C111A 2017 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

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 C111A 2017 Chevrolet Silverado Code

1. What does OBDII code C111A mean on a 2017 Chevrolet Silverado related to the Trailer Brake Power Control Module?

- C111A indicates a fault with the Trailer Brake Power Control Module, affecting the trailer brake system's operation.

2. What are common symptoms of OBDII code C111A on a 2017 Chevrolet Silverado?

- Common symptoms include trailer brake system malfunctions, warning lights on the dashboard, and difficulty controlling trailer braking.

3. What could cause OBDII code C111A to trigger on a 2017 Chevrolet Silverado?

- Possible causes of C111A include damaged wiring, faulty connectors, a malfunctioning control module, or issues with the trailer brake system itself.

4. How can I diagnose the issue behind OBDII code C111A on my 2017 Chevrolet Silverado?

- Use a diagnostic scanner to retrieve the specific fault codes, inspect the trailer brake system components for damage, and test the electrical connections for continuity.

5. Is it safe to continue driving with OBDII code C111A on a 2017 Chevrolet Silverado?

- It is not recommended to drive with C111A as it could compromise the trailer brake system's performance, potentially leading to unsafe towing conditions.

6. Can I reset OBDII code C111A on my 2017 Chevrolet Silverado without addressing the underlying issue?

- Resetting the code without fixing the problem will likely result in the code reappearing once the system detects the fault again.

7. What repair steps can I take to fix OBDII code C111A on a 2017 Chevrolet Silverado?

- Repair steps may involve repairing or replacing damaged wiring, fixing faulty connectors, replacing the control module, or servicing the trailer brake system components.

8. Are there any recalls or technical service bulletins related to OBDII code C111A on a 2017 Chevrolet Silverado?

- Check with Chevrolet dealerships or online resources for any recalls or technical service bulletins specific to code C111A on the 2017 Silverado related to the Trailer Brake Power Control Module.

9. Can a DIY enthusiast address the repair of OBDII code C111A on a 2017 Chevrolet Silverado themselves?

- Depending on the skill level and experience with automotive repairs, some DIY enthusiasts may be able to address C111A by following repair guides or seeking assistance from forums.

10. How can I prevent OBDII code C111A from occurring on my 2017 Chevrolet Silverado in the future?

- Regularly inspect and maintain the trailer brake system, ensure proper trailer connections, and address any issues promptly to prevent code C111A from reoccurring.