AutoCodes – Chevrolet – U0076 2014 Chevrolet Silverado

U0076 2014 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 2014 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 221

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 20, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code U0076 2014 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 2014 Chevrolet Silverado - Control Module Communication Powertrain Sensor CAN Bus Off - AutoCodes.com — U0076 2014 Chevrolet Silverado Code - Control Module Communication Powertrain Sensor CAN Bus Off

What does this mean?

What are the Possible Causes of the DTC U0076 2014 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 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 U0076 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 U0076 2014 Chevrolet Silverado code?

Need more information on how to fix the U0076 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U0076 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 U0076 2014 Chevrolet Silverado Code

1. What does the OBDII code U0076 for a 2014 Chevrolet Silverado mean?

This code indicates a communication problem between the control modules and the powertrain sensor CAN bus, specifically when the bus is off.

2. What are the common symptoms of a U0076 code in a 2014 Chevrolet Silverado?

Common symptoms include the check engine light coming on, reduced engine performance, and potential issues with shifting or transmission operation.

3. What can cause the U0076 code to appear in a 2014 Chevrolet Silverado?

Possible causes of the U0076 code include damaged wiring or connectors in the CAN bus system, a faulty control module, or a malfunctioning powertrain sensor.

4. How can I diagnose the U0076 code in my 2014 Chevrolet Silverado?

Diagnosing the U0076 code typically involves using a diagnostic scanner to retrieve the code, checking the CAN bus connections, inspecting wiring for damage, and testing the control modules and powertrain sensor.

5. Can I continue driving my 2014 Chevrolet Silverado with a U0076 code?

It is not recommended to continue driving with a U0076 code present, as it can lead to further damage to the vehicle and potentially unsafe driving conditions.

6. How can I repair a U0076 code in my 2014 Chevrolet Silverado?

Repairing a U0076 code may involve repairing or replacing damaged wiring or connectors, replacing a faulty control module, or addressing issues with the powertrain sensor.

7. Are there any DIY tips for fixing a U0076 code in a 2014 Chevrolet Silverado?

While some basic troubleshooting steps can be taken, diagnosing and repairing a U0076 code often requires specialized tools and expertise, so it is recommended to consult a professional mechanic.

8. How much does it cost to fix a U0076 code in a 2014 Chevrolet Silverado?

The cost of fixing a U0076 code can vary depending on the specific cause of the issue, the parts needed for repair, and the labor rates of the repair shop. It is advisable to get a diagnosis and estimate from a trusted mechanic.

9. Can a U0076 code in a 2014 Chevrolet Silverado be prevented?

Regular maintenance, such as checking and cleaning connectors, inspecting wiring for damage, and addressing any warning lights promptly, can help prevent issues that may trigger a U0076 code.

10. Is the U0076 code specific to the 2014 Chevrolet Silverado, or can it occur in other vehicles?

The U0076 code related to control module communication and the powertrain sensor CAN bus off can occur in other vehicles with similar systems, but the specific troubleshooting and repair steps may vary based on the make and model of the vehicle.