U0137 Chrysler Code - Lost Communication With Trailer Brake Control Module
Quick Answer
The U0137 code for Chrysler 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 vehicle's main computer system and the trailer brake control module, A malfunctioning trailer brake control module, Corrosion or damage to the wiring harness connecting the two systems. 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 Chrysler indicates Lost Communication With Trailer Brake Control Module.
- Common causes
- Common causes include Faulty wiring connections between the vehicle's main computer system and the trailer brake control module, A malfunctioning trailer brake control module, Corrosion or damage to the wiring harness connecting the two systems.
- 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 Chrysler Description
The U0137 code for Chrysler 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 braking system of a trailer that is being towed by the vehicle. When communication is lost with this module, it can lead to issues with the trailer's braking system, potentially compromising safety while towing.
Common Causes of U0137 Chrysler
- Faulty wiring connections between the vehicle's main computer system and the trailer brake control module.
- A malfunctioning trailer brake control module.
- Corrosion or damage to the wiring harness connecting the two systems.
- Software issues within the vehicle's main computer system affecting communication with the trailer brake control module.
Symptoms of U0137 Chrysler
- Illumination of the check engine light on the dashboard.
- Inability to control the trailer's braking system from the vehicle.
- Erratic behavior of the trailer brakes while towing.
- Loss of communication with the trailer brake control module when using a diagnostic scanner.
How to Fix U0137 Chrysler
- Begin by inspecting the wiring harness for any signs of damage, corrosion, or loose connections. Repair or replace any damaged wiring as needed.
- Check the trailer brake control module for proper functioning. If it is found to be faulty, replace it with a new module.
- Clear the diagnostic trouble codes from the vehicle's system using a diagnostic scanner.
- Test the communication between the vehicle's main computer system and the trailer brake control module to ensure the issue has been resolved.
- If the problem persists, consult a professional mechanic for further diagnosis and repair.
Cost to Fix U0137 Chrysler
The typical repair costs for addressing a U0137 code in a Chrysler vehicle can vary depending on the specific cause of the issue. On average, the cost of parts for this repair can range from $100 to $300, while labor costs can range from $80 to $150 per hour. Overall, the total cost of resolving this issue may fall between $200 and $500. It's important to note that labor rates at auto repair shops can vary based on location, vehicle make and model, and other factors, so it's advisable to check with local shops for a more accurate estimate.
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Frequently Asked Questions about U0137 Chrysler Code
1. What does the OBDII code U0137 mean on a Chrysler?
U0137 indicates that the vehicle has lost communication with the Trailer Brake Control Module (TBCM), which is responsible for controlling the trailer's braking system.
2. What are the common symptoms of the U0137 code on a Chrysler?
Symptoms may include the trailer brakes not functioning, warning lights on the dashboard (such as ABS or trailer-related warnings), and potential loss of trailer brake functionality.
3. What causes the U0137 code to appear on a Chrysler?
Common causes include damaged or corroded wiring, a faulty Trailer Brake Control Module, a malfunctioning CAN bus network, or poor electrical connections.
4. Can I still drive my Chrysler with the U0137 code?
Yes, you can still drive the vehicle, but the trailer brakes may not function properly, which can be unsafe, especially when towing heavy loads.
5. How do I diagnose the U0137 code on a Chrysler?
Start by inspecting the wiring and connectors for damage or corrosion. Check the CAN bus network for continuity, and use a scan tool to confirm loss of communication with the Trailer Brake Control Module.
6. How can I fix the U0137 code on my Chrysler?
Repairs may involve cleaning or repairing damaged wiring, replacing faulty connectors, or replacing the Trailer Brake Control Module if it is defective.
7. Is the U0137 code specific to Chrysler vehicles?
No, the U0137 code is a generic OBDII code, but the troubleshooting and repair process may vary depending on the make and model of the vehicle.
8. How much does it cost to fix the U0137 code on a Chrysler?
Repair costs can vary, but diagnosing and fixing wiring or connector issues may cost $50–$200, while replacing the Trailer Brake Control Module could cost $300–$600 or more, including labor.
9. Can a faulty battery or alternator cause the U0137 code on a Chrysler?
Yes, low voltage or power issues caused by a weak battery or failing alternator can disrupt communication with the Trailer Brake Control Module and trigger the code.
10. Do I need a professional mechanic to fix the U0137 code on my Chrysler?
While some basic checks like inspecting wiring can be done by DIYers, diagnosing and repairing complex CAN bus issues or module replacements is best handled by a professional mechanic.
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