AutoCodes – Jeep – C1091 Jeep

C1091 Jeep 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 Jeep 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 993
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 Jeep 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 Jeep - ABS Brake Lamp Control Circuit High - AutoCodes.com
C1091 Jeep Code - ABS Brake Lamp Control Circuit High

What are the Possible Causes of the DTC C1091 Jeep?

  • 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 Jeep?

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 Jeep 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 Jeep code?

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

Need Help with the Code?

Get the C1091 Jeep 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 Jeep Code

1. What are the common symptoms of OBDII code C1091 in a Jeep related to ABS Brake Lamp Control Circuit High?

The common symptoms of OBDII code C1091 in a Jeep include the ABS warning light staying illuminated on the dashboard and possible issues with the ABS system functionality.

2. What are the possible causes of OBDII code C1091 in a Jeep related to ABS Brake Lamp Control Circuit High?

Possible causes of OBDII code C1091 in a Jeep include damaged wiring or connectors in the ABS system, a faulty ABS control module, or a malfunctioning wheel speed sensor.

3. How can I diagnose OBDII code C1091 in a Jeep related to ABS Brake Lamp Control Circuit High?

Diagnosing OBDII code C1091 in a Jeep involves using a diagnostic scanner to retrieve the code, inspecting the ABS system wiring and connectors for damage, testing the ABS control module, and checking the wheel speed sensors for proper function.

4. Can I still drive my Jeep with OBDII code C1091 related to ABS Brake Lamp Control Circuit High?

While it is possible to drive your Jeep with OBDII code C1091 related to ABS Brake Lamp Control Circuit High, it is not recommended as it may affect the proper functioning of the ABS system, compromising your vehicle's safety.

5. How can I repair OBDII code C1091 in a Jeep related to ABS Brake Lamp Control Circuit High?

Repairing OBDII code C1091 in a Jeep involves addressing the specific underlying cause, such as repairing or replacing damaged wiring, connectors, ABS control module, or wheel speed sensor as needed.

6. Is it safe to continue driving my Jeep if the ABS warning light is illuminated due to OBDII code C1091?

It is not advisable to continue driving your Jeep if the ABS warning light is illuminated due to OBDII code C1091, as it indicates a potential issue with the ABS system that may compromise your vehicle's braking performance.

7. How much does it cost to repair OBDII code C1091 in a Jeep related to ABS Brake Lamp Control Circuit High?

The cost of repairing OBDII code C1091 in a Jeep can vary depending on the specific cause of the issue, the extent of the repairs needed, and the labor rates of the repair shop. It is advisable to get a diagnostic assessment to determine the exact cost.

8. Can a DIY enthusiast fix OBDII code C1091 in a Jeep related to ABS Brake Lamp Control Circuit High?

Some DIY enthusiasts with the necessary tools, knowledge, and experience may be able to address OBDII code C1091 in a Jeep by following repair guides and tutorials. However, it is recommended to consult a professional if unsure.

9. Will resetting the OBDII code C1091 in a Jeep related to ABS Brake Lamp Control Circuit High make the issue go away?

Resetting the OBDII code C1091 in a Jeep may temporarily turn off the warning light, but it will not fix the underlying issue causing the code. It is essential to diagnose and repair the root cause to prevent further problems.

10. How often does OBDII code C1091 related to ABS Brake Lamp Control Circuit High occur in Jeeps?

OBDII code C1091 related to ABS Brake Lamp Control Circuit High can occur in Jeeps due to various factors, including age, mileage, and environmental conditions. Regular maintenance and prompt attention to warning lights can help prevent such issues.

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