AutoCodes – Chevrolet – U0076 2015 Chevrolet Silverado

U0076 2015 Chevrolet Silverado Code - Control Module Communication Powertrain Sensor CAN Bus Off

Quick Answer

The devices connected to the object high-speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Check for more codes, Faulty Control Module, Control Module harness is open or shorted. 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: U0076 2015 Chevrolet Silverado indicates Control Module Communication Powertrain Sensor CAN Bus Off.
Common causes: Common causes include Check for more codes, Faulty Control Module, Control Module harness is open or shorted.
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 228

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 20, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U0076 2015 Chevrolet Silverado Description

The devices connected to the object 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 devices when the ignition switch is in any position other than OFF. The object high-speed GMLAN serial data bus uses terminating resistors that are in parallel with the object high speed GMLAN (+) and (-) circuits. The Diagnostic Trouble Code (DTC) sets when a supervised periodic message that includes the transmitter device availability has not been received.

OBDII Code U0076 2015 Chevrolet Silverado - Control Module Communication Powertrain Sensor CAN Bus Off - AutoCodes.com — U0076 2015 Chevrolet Silverado Code - Control Module Communication Powertrain Sensor CAN Bus Off

What does this mean?

What are the Possible Causes of the DTC U0076 2015 Chevrolet Silverado?

Check for more codes
Faulty Control Module
Control Module harness is open or shorted
Control Module circuit poor electrical connection

How to Fix the DTC U0076 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 U0076 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 U0076 2015 Chevrolet Silverado code?

Need more information on how to fix the U0076 2015 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U0076 2015 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 U0076 2015 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code U0076 in a 2015 Chevrolet Silverado?

When the U0076 code is triggered, common symptoms may include issues with the vehicle's transmission shifting smoothly, reduced fuel efficiency, and an illuminated Check Engine light.

2. What does the U0076 code mean in a 2015 Chevrolet Silverado?

The U0076 code indicates that there is a malfunction in the Control Module Communication Powertrain Sensor CAN Bus Off in the vehicle's powertrain system.

3. What are the possible causes of the U0076 code in a 2015 Chevrolet Silverado?

Potential causes of the U0076 code include damaged wiring or connectors in the CAN bus system, a faulty powertrain control module (PCM), a defective transmission control module (TCM), or a software issue.

4. How can I diagnose the U0076 code in my 2015 Chevrolet Silverado?

Diagnosing the U0076 code typically involves using an OBDII scanner to retrieve the trouble codes, inspecting the wiring and connectors in the CAN bus system, and testing the powertrain and transmission control modules for proper functionality.

5. Can I still drive my 2015 Chevrolet Silverado with the U0076 code present?

It is not recommended to drive your vehicle with the U0076 code present, as it can lead to further damage to the powertrain system. It is best to address the issue promptly.

6. How much does it cost to repair the U0076 code in a 2015 Chevrolet Silverado?

The cost of repairing the U0076 code can vary depending on the underlying cause of the issue. It is advisable to consult with a professional mechanic to get an accurate estimate for the repair.

7. Can I repair the U0076 code in my 2015 Chevrolet Silverado myself?

If you have experience with automotive diagnostics and repairs, you may be able to address the U0076 code yourself. However, it is recommended to seek assistance from a qualified mechanic for accurate diagnosis and repair.

8. Will resetting the trouble codes make the U0076 code disappear in my 2015 Chevrolet Silverado?

Resetting the trouble codes may temporarily clear the Check Engine light, but if the underlying issue causing the U0076 code is not addressed, the code is likely to reappear.

9. Is the U0076 code a common issue in 2015 Chevrolet Silverado vehicles?

The U0076 code is not one of the most common trouble codes in 2015 Chevrolet Silverado vehicles, but it can still occur due to various factors affecting the powertrain communication system.

10. How long does it take to repair the U0076 code in a 2015 Chevrolet Silverado?

The time it takes to repair the U0076 code can vary depending on the specific cause of the issue and the complexity of the repair. Some repairs may be completed within a few hours, while others may take longer.