AutoCodes – Chevrolet – U0076 2017 Chevrolet Silverado

U0076 2017 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 2017 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 405

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 2017 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 2017 Chevrolet Silverado - Control Module Communication Powertrain Sensor CAN Bus Off - AutoCodes.com — U0076 2017 Chevrolet Silverado Code - Control Module Communication Powertrain Sensor CAN Bus Off

What does this mean?

What are the Possible Causes of the DTC U0076 2017 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 2017 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 2017 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 2017 Chevrolet Silverado code?

Need more information on how to fix the U0076 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U0076 2017 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 2017 Chevrolet Silverado Code

1. What does the OBDII code U0076 mean on a 2017 Chevrolet Silverado?

The U0076 code indicates a problem with the Control Module Communication Powertrain Sensor CAN Bus Off on a 2017 Chevrolet Silverado.

2. What are the common symptoms of the U0076 code in a 2017 Chevrolet Silverado?

Common symptoms of the U0076 code may include issues with the transmission, engine misfires, poor fuel efficiency, and the illumination of the Check Engine light.

3. What are the potential causes of the U0076 code in a 2017 Chevrolet Silverado?

The U0076 code in a 2017 Chevrolet Silverado can be triggered by issues such as faulty wiring, a defective control module, communication bus problems, or a damaged sensor.

4. How do I diagnose the U0076 code in a 2017 Chevrolet Silverado?

Diagnosing the U0076 code typically involves using an OBDII scanner to retrieve the code, inspecting the wiring and connectors for any damage, checking the control module and sensor for functionality, and testing the communication bus.

5. Can I drive my 2017 Chevrolet Silverado with the U0076 code?

It's not recommended to drive your 2017 Chevrolet Silverado with the U0076 code present, as it can lead to potential performance issues and further damage to the vehicle.

6. How do I repair the U0076 code in a 2017 Chevrolet Silverado?

Repairing the U0076 code may involve repairing or replacing damaged wiring, fixing any issues with the control module or sensor, ensuring proper communication on the CAN bus, and clearing the code with an OBDII scanner.

7. Is the U0076 code a common issue in 2017 Chevrolet Silverado vehicles?

While the U0076 code is not as common as some other OBDII codes, it can still occur in 2017 Chevrolet Silverado vehicles due to various underlying issues.

8. Can the U0076 code in a 2017 Chevrolet Silverado be fixed at home?

Depending on your automotive repair skills and access to tools, you may be able to fix the U0076 code at home by addressing the potential causes like wiring issues or sensor malfunctions.

9. How much does it cost to repair the U0076 code in a 2017 Chevrolet Silverado?

The cost of repairing the U0076 code in a 2017 Chevrolet Silverado can vary depending on the specific underlying issue, parts needed, labor costs, and whether you choose to fix it yourself or take it to a professional mechanic.

10. Will the U0076 code in a 2017 Chevrolet Silverado come back after being cleared?

If the underlying issue causing the U0076 code is not properly addressed, the code may return after being cleared. It's crucial to diagnose and fix the root cause to prevent the code from reappearing.