AutoCodes – Chevrolet – U0137 2015 Chevrolet Silverado

U0137 2015 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 2015 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 308

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

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 2015 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 2015 Chevrolet Silverado - Lost Communication with Trailer Brake Control Module - AutoCodes.com — U0137 2015 Chevrolet Silverado Code - Lost Communication with Trailer Brake Control Module

What does this mean?

What are the Possible Causes of the DTC U0137 2015 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 2015 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 2015 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 2015 Chevrolet Silverado code?

Need more information on how to fix the U0137 2015 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 2015 Chevrolet Silverado Code

1. What does OBDII code U0137 for a 2015 Chevrolet Silverado indicate?

The U0137 code indicates a problem with communication between the vehicle's onboard computer system and the trailer brake control module.

2. What are common symptoms of U0137 code on a 2015 Chevrolet Silverado?

Common symptoms of the U0137 code may include non-functioning trailer brakes, warning lights on the dashboard, and possible loss of communication with the trailer brake control module.

3. What are possible causes of the U0137 code on a 2015 Chevrolet Silverado?

Possible causes of the U0137 code include damaged wiring or connectors, a faulty trailer brake control module, a software issue, or a problem with the vehicle's onboard computer system.

4. How can I diagnose the U0137 code on my 2015 Chevrolet Silverado?

Diagnosing the U0137 code may involve checking the wiring and connectors for damage, testing the trailer brake control module, and using a diagnostic scanner to communicate with the vehicle's onboard computer system.

5. Can I still drive my 2015 Chevrolet Silverado with the U0137 code?

It is not recommended to drive your vehicle with the U0137 code present, as it may affect the performance of the trailer brakes and potentially compromise safety while towing.

6. How can I repair the U0137 code on my 2015 Chevrolet Silverado?

Repairing the U0137 code may involve repairing or replacing damaged wiring or connectors, replacing the trailer brake control module if necessary, and reprogramming the vehicle's computer system.

7. Can I reset the U0137 code on my 2015 Chevrolet Silverado myself?

You can try clearing the code with an OBDII scanner, but it is important to address the underlying issue causing the code to prevent it from reoccurring.

8. Will the U0137 code on my 2015 Chevrolet Silverado cause any other problems?

The U0137 code itself may not cause additional problems, but it is important to address the communication issue with the trailer brake control module to ensure proper functionality.

9. How much does it typically cost to repair the U0137 code on a 2015 Chevrolet Silverado?

The cost of repairing the U0137 code can vary depending on the specific issue causing the code, the labor rates of the repair shop, and whether any parts need to be replaced.

10. Is the U0137 code a common issue with the 2015 Chevrolet Silverado?

The U0137 code related to lost communication with the trailer brake control module can occur in vehicles equipped with this feature, but it is not necessarily a common issue across all 2015 Chevrolet Silverado models.