AutoCodes – Chrysler – C1091 Chrysler

C1091 Chrysler Code - ABS Brake Lamp Control Circuit High

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the ABS Brake Lamp. Common causes include Faulty ABS Brake Lamp, ABS Brake Lamp harness is open or shorted, ABS Brake Lamp 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
C1091 Chrysler indicates ABS Brake Lamp Control Circuit High.
Common causes
Common causes include Faulty ABS Brake Lamp, ABS Brake Lamp harness is open or shorted, ABS Brake Lamp 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 1,020
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 10, 2020
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Code C1091 Chrysler Description

The Anti-Lock Brake System (ABS) Module monitors the ABS Brake Lamp. The ABS Module sets the OBDII code when the ABS Brake Lamp is not to factory specifications.
OBDII Code C1091 Chrysler - ABS Brake Lamp Control Circuit High - AutoCodes.com
C1091 Chrysler Code - ABS Brake Lamp Control Circuit High

What are the Possible Causes of the DTC C1091 Chrysler?

  • Faulty ABS Brake Lamp
  • ABS Brake Lamp harness is open or shorted
  • ABS Brake Lamp circuit poor electrical connection

How to Fix the DTC C1091 Chrysler?

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 C1091 Chrysler 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 C1091 Chrysler code?

Need more information on how to fix the C1091 Chrysler code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1091 Chrysler 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 C1091 Chrysler Code

1. What are the common symptoms of OBDII code C1091 in a Chrysler vehicle?

- Common symptoms include the ABS warning light being illuminated on the dashboard and potential issues with the brake lamp control system.

2. What can cause the ABS Brake Lamp Control Circuit High code (C1091) in a Chrysler?

- The code C1091 can be triggered by a faulty brake lamp switch, a wiring issue in the brake lamp circuit, or a problem with the ABS module.

3. How serious is the ABS Brake Lamp Control Circuit High code in a Chrysler?

- While the code itself may not affect the drivability of the vehicle, it can lead to safety concerns as it may indicate potential issues with the ABS system and brake lights.

4. Can I continue driving my Chrysler with the C1091 code present?

- It is not recommended to ignore the C1091 code, as it may affect the proper functioning of the ABS system and brake lights. It is advised to address the issue promptly.

5. How can I diagnose and repair the ABS Brake Lamp Control Circuit High code in my Chrysler?

- The first step is to inspect the brake lamp switch and the wiring for any visible damage. If no issues are found, a professional diagnostic scan tool may be needed to further troubleshoot the problem.

6. Will resetting the OBDII code C1091 in my Chrysler make the issue go away?

- Resetting the code may temporarily turn off the warning light, but if the underlying issue causing the code is not addressed, it is likely to reappear.

7. Is it safe to drive my Chrysler if the ABS Brake Lamp Control Circuit High code keeps coming back?

- It is best to avoid prolonged driving with a recurring C1091 code, as it indicates an ongoing issue that may compromise the ABS system and brake lights.

8. Can a DIY enthusiast fix the ABS Brake Lamp Control Circuit High code in a Chrysler?

- Depending on the cause of the code, some DIYers with automotive repair experience may be able to address the issue, but complex wiring or module problems may require professional assistance.

9. How much does it typically cost to repair the ABS Brake Lamp Control Circuit High code in a Chrysler?

- The cost of repairing the C1091 code can vary depending on the underlying cause. Simple fixes like replacing a brake lamp switch may cost less than diagnosing and repairing a wiring issue or ABS module problem.

10. Are there any preventive maintenance tips to avoid the ABS Brake Lamp Control Circuit High code in my Chrysler?

- Regularly inspecting the brake lights, brake lamp switch, and wiring harness for any signs of wear or damage can help prevent issues that may trigger the C1091 code.

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