U0137 Dodge Code - Lost Communication With Trailer Brake Control Module
Quick Answer
The U0137 code for Dodge 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 trailer brake control module, Damaged trailer brake control module, Corrosion or damage to wiring harness. 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 Dodge indicates Lost Communication With Trailer Brake Control Module.
- Common causes
- Common causes include Faulty wiring connections between the main computer system and trailer brake control module, Damaged trailer brake control module, Corrosion or damage to wiring harness.
- 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 U0137 Dodge Description
The U0137 code for Dodge 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 controlling the trailer brakes when towing a trailer. When communication is lost with this module, it can lead to issues with the trailer brake system, potentially compromising the safety and performance of the vehicle.
Common Causes of U0137 Dodge
- Faulty wiring connections between the main computer system and trailer brake control module
- Damaged trailer brake control module
- Corrosion or damage to wiring harness
- Issues with the vehicle's main computer system
- Electrical interference or short circuits
Symptoms of U0137 Dodge
- Trailer brake warning light illuminated on the dashboard
- Inconsistent or non-responsive trailer brake operation
- ABS system malfunction
- Trailer brakes locking up unexpectedly
- Loss of communication with trailer brake controller
How to Fix U0137 Dodge
- Inspect and repair any damaged or corroded wiring connections between the main computer system and trailer brake control module.
- Test the trailer brake control module for functionality and replace if necessary.
- Check and repair any issues with the vehicle's main computer system that may be causing the communication error.
- Clear the error codes using a diagnostic scanner and test the trailer brake system to ensure proper operation.
- Perform a final test drive to confirm that the communication error has been resolved and the trailer brake system is functioning correctly.
Cost to Fix U0137 Dodge
The cost to repair a U0137 code for a Dodge vehicle can vary depending on the specific cause of the communication error and the extent of the repairs needed. On average, the repair costs for this issue can range from $200 to $500, including parts and labor. However, it's important to note that diagnostic time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's recommended to check with local auto repair shops for a more accurate estimate based on your specific situation.
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Frequently Asked Questions about U0137 Dodge Code
1. What does the OBDII code U0137 mean on a Dodge vehicle?
U0137 indicates a loss of communication with the Trailer Brake Control Module (TBCM), meaning the module is not sending or receiving data on the vehicle's communication network.
2. What are common symptoms of the U0137 code on a Dodge?
Symptoms may include the trailer brakes not functioning, a trailer brake warning light on the dashboard, or difficulty controlling the trailer while braking.
3. What causes the U0137 code to appear?
Common causes include a faulty Trailer Brake Control Module, damaged wiring or connectors in the communication circuit, or issues with the CAN bus network.
4. Can I still drive my vehicle with the U0137 code?
Yes, the vehicle is typically drivable, but the trailer brake system may not work, impacting safety when towing.
5. How do I diagnose the U0137 code on a Dodge?
Start by checking the wiring and connectors for the TBCM, inspect the CAN bus network for faults, and test the module itself using a scan tool.
6. Can a blown fuse trigger the U0137 code?
Yes, a blown fuse related to the trailer brake system or communication circuits can cause a loss of communication with the TBCM.
7. How can I fix the U0137 code on my Dodge?
Repairs may include replacing damaged wiring, repairing or replacing faulty connectors, reprogramming the TBCM, or replacing the module if it is defective.
8. Does the U0137 code always mean the Trailer Brake Control Module is bad?
No, it could also be caused by wiring issues, connector problems, or faults in the vehicle's communication network.
9. What tools are needed to troubleshoot the U0137 code?
You’ll need an OBDII scan tool capable of reading manufacturer-specific codes, a multimeter for electrical testing, and wiring diagrams for your Dodge model.
10. Can the U0137 code be cleared without repairs?
You can clear the code with a scan tool, but if the underlying issue isn’t fixed, the code will likely return.
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