AutoCodes – Chevrolet – U0137 2014 Chevrolet Silverado

U0137 2014 Chevrolet Silverado Code - Lost Communication with Trailer Brake Control Module

Quick Answer

Modules connected to the high-speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Trailer Brake Control Module, Trailer Brake Control Module harness is open or shorted, Trailer Brake Control Module 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: U0137 2014 Chevrolet Silverado indicates Lost Communication with Trailer Brake Control Module.
Common causes: Common causes include Faulty Trailer Brake Control Module, Trailer Brake Control Module harness is open or shorted, Trailer Brake Control Module 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 243

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Jul 21, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U0137 2014 Chevrolet Silverado Description

Modules connected to the high-speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the modules. The modules have prerecorded information about what messages need to be exchanged on the serial data circuits, for each virtual network. The messages are supervised and also, some periodic messages are used by the receiver module as an availability indication of the transmitter module. The supervision time-out period is 250 ms. Each message contains the identification number of the transmitter module. The Diagnostic Trouble Code (DTC) will be set when the device setting the DTC has attempted to establish communications on the serial data circuits more than 3 times in 5 s.

OBDII Code U0137 2014 Chevrolet Silverado - Lost Communication with Trailer Brake Control Module - AutoCodes.com — U0137 2014 Chevrolet Silverado Code - Lost Communication with Trailer Brake Control Module

What does this mean?

What are the Possible Causes of the DTC U0137 2014 Chevrolet Silverado?

Faulty Trailer Brake Control Module
Trailer Brake Control Module harness is open or shorted
Trailer Brake Control Module circuit poor electrical connection

How to Fix the DTC U0137 2014 Chevrolet Silverado?

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 U0137 2014 Chevrolet Silverado 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 U0137 2014 Chevrolet Silverado code?

Need more information on how to fix the U0137 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U0137 2014 Chevrolet Silverado 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 U0137 2014 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code U0137 (Lost Communication with Trailer Brake Control Module) in a 2014 Chevrolet Silverado?

- Common symptoms include inoperative trailer brakes, warning lights on the dashboard, and loss of communication with the trailer brake control module.

2. What are the possible causes of OBDII code U0137 in a 2014 Chevrolet Silverado?

- Possible causes include a faulty trailer brake control module, wiring issues, a blown fuse, or a software glitch in the vehicle's communication system.

3. How can I diagnose the cause of OBDII code U0137 in my 2014 Chevrolet Silverado?

- Diagnose the issue by checking the trailer brake control module for power and ground, inspecting wiring connections, scanning for other related trouble codes, and using a diagnostic scan tool to communicate with the module.

4. Can I continue to drive my 2014 Chevrolet Silverado with OBDII code U0137 present?

- It is not recommended to drive with this code present, as it may affect the operation of your trailer brakes and compromise safety when towing.

5. How can I repair OBDII code U0137 in my 2014 Chevrolet Silverado?

- Repair options include replacing the trailer brake control module, repairing damaged wiring, ensuring proper connections, and updating software as recommended by the manufacturer.

6. Will resetting the OBDII code U0137 in my 2014 Chevrolet Silverado make it go away permanently?

- Resetting the code may temporarily clear the warning, but if the underlying issue causing the communication loss is not fixed, the code is likely to reappear.

7. Is it possible to prevent OBDII code U0137 from occurring in my 2014 Chevrolet Silverado?

- Regular maintenance checks, proper wiring inspections, and using high-quality trailer brake control modules can help prevent this code from occurring.

8. How much does it typically cost to repair OBDII code U0137 in a 2014 Chevrolet Silverado?

- The cost of repairing this code can vary depending on the specific cause, but it may range from $100 to $500 or more, including parts and labor.

9. Can a DIY enthusiast fix OBDII code U0137 in a 2014 Chevrolet Silverado?

- Depending on the level of expertise and access to diagnostic tools, a DIY enthusiast may be able to fix this issue by following repair guides and troubleshooting steps carefully.

10. Will OBDII code U0137 affect the overall performance of my 2014 Chevrolet Silverado?

- While the code itself may not affect the vehicle's drivability, it can impact the operation of the trailer brake system and lead to safety concerns when towing.