Engine-CodesJeep – U0137 Jeep

U0137 Jeep Code - Lost Communication With Trailer Brake Control Module

Quick Answer

The U0137 code for Jeep vehicles indicates that there is a communication error between the vehicle's main computer system and the trailer brake control module. Common causes include Faulty wiring connections between the main computer system and the trailer brake control module, Damaged trailer brake control module, Corrosion or damage to electrical connectors. 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
U0137 Jeep indicates Lost Communication With Trailer Brake Control Module.
Common causes
Common causes include Faulty wiring connections between the main computer system and the trailer brake control module, Damaged trailer brake control module, Corrosion or damage to electrical connectors.
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.
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code U0137 Jeep Description

The U0137 code for Jeep vehicles indicates that there is a communication error between the vehicle's main computer system and the trailer brake control module. The trailer brake control module is responsible for managing the trailer brake system, ensuring that the trailer brakes operate correctly when towing a trailer. When communication is lost with this module, it can lead to issues with the trailer brake system, potentially compromising safety while towing.

OBDII Code U0137 Jeep - Lost Communication With Trailer Brake Control Module
U0137 Jeep Code - Lost Communication With Trailer Brake Control Module

Common Causes of U0137 Jeep

  1. Faulty wiring connections between the main computer system and the trailer brake control module.
  2. Damaged trailer brake control module.
  3. Corrosion or damage to electrical connectors.
  4. Issues with the vehicle's main computer system.
  5. Software glitches or malfunctions in the communication system.

Symptoms of U0137 Jeep

  1. Illuminated warning light on the dashboard indicating a communication error.
  2. Inoperative trailer brake system while towing.
  3. Loss of communication with the trailer brake control module.
  4. Reduced performance or functionality of the trailer brake system.

How to Fix U0137 Jeep

  1. Begin by inspecting the wiring connections between the main computer system and the trailer brake control module for any signs of damage or corrosion. Repair or replace any damaged wiring as needed.
  2. Check the trailer brake control module for any visible damage or malfunctions. Replace the module if necessary.
  3. Clear the diagnostic trouble codes from the vehicle's computer system using a diagnostic scanner.
  4. Test the communication between the main computer system and the trailer brake control module to ensure that the issue has been resolved.
  5. If the problem persists, consult a professional mechanic or dealership for further diagnosis and repair.

Cost to Fix U0137 Jeep

The typical repair costs for addressing the U0137 code on a Jeep vehicle can range from $200 to $500, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Most auto repair shops charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships, while independent shops may charge less. It's recommended to inquire about local rates for a more accurate estimate.

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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 U0137 Jeep Code

1. What are common symptoms of the U0137 OBDII code related to the Trailer Brake Control Module in a Jeep?

- Common symptoms include loss of communication with the trailer brake control module, disabled trailer brake functionality, and the illumination of the check engine light.

2. What are some possible causes of the U0137 OBDII code in a Jeep?

- Possible causes include a faulty trailer brake control module, damaged wiring or connectors, a blown fuse, or a software issue within the vehicle's system.

3. Can the U0137 code be triggered by issues with the trailer itself?

- Yes, problems with the trailer's wiring or control module can also trigger the U0137 code, so it's important to check the trailer's components as well.

4. How can I diagnose the U0137 code in my Jeep related to the Trailer Brake Control Module?

- Diagnosis typically involves using a diagnostic scanner to retrieve the specific code, checking the wiring and connectors for any visible damage, and testing the trailer brake control module for functionality.

5. What are some repair tips for fixing the U0137 code in a Jeep?

- Repair tips include checking and repairing any damaged wiring or connectors, replacing the trailer brake control module if necessary, ensuring proper trailer connections, and resetting the code with a diagnostic tool after repairs.

6. Can I continue driving my Jeep with the U0137 code related to the Trailer Brake Control Module?

- It is not recommended to drive your Jeep with the U0137 code present, as it may affect the functionality of the trailer brakes and potentially lead to unsafe towing conditions.

7. How much does it typically cost to repair the U0137 OBDII code in a Jeep?

- The cost of repair can vary depending on the underlying cause, but it may range from a simple wiring repair cost to a more expensive control module replacement cost.

8. Will resetting the OBDII code resolve the U0137 issue permanently?

- Resetting the code may temporarily clear the check engine light, but if the underlying issue causing the U0137 code is not addressed, the code is likely to reappear.

9. Can I fix the U0137 code in my Jeep myself, or do I need to take it to a mechanic?

- Depending on your automotive repair skills and access to tools, you may be able to diagnose and repair the U0137 code yourself. However, if you are unsure, it is recommended to seek assistance from a qualified mechanic.

10. Is the U0137 OBDII code specific to Jeep vehicles, or can it occur in other makes and models?

- The U0137 code can occur in various vehicle makes and models, not just in Jeep vehicles, whenever there is a communication issue with the trailer brake control module.

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