AutoCodes – Chevrolet – U0075 Chevrolet

U0075 Chevrolet Code - Control Module Communication Object Detection 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: U0075 Chevrolet indicates Control Module Communication Object Detection 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 2,429

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 19, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U0075 Chevrolet 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 U0075 Chevrolet - Control Module Communication Object Detection CAN Bus Off - AutoCodes.com — U0075 Chevrolet Code - Control Module Communication Object Detection CAN Bus Off

What does this mean?

What are the Possible Causes of the DTC U0075 Chevrolet?

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 U0075 Chevrolet?

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 U0075 Chevrolet 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 U0075 Chevrolet code?

Need more information on how to fix the U0075 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U0075 Chevrolet code diagnosed by a professional: Find a repair shop in your area

Information for Specific Chevrolet Models

U0075 2014 Chevrolet Silverado — Control Module Communication Object Detection CAN Bus Off
U0075 2015 Chevrolet Silverado — Control Module Communication Object Detection CAN Bus Off
U0075 2016 Chevrolet Silverado — Control Module Communication Object Detection CAN Bus Off
U0075 2017 Chevrolet Silverado — Control Module Communication Object Detection CAN Bus Off
U0075 2018 Chevrolet Silverado — Control Module Communication Object Detection CAN Bus Off

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 U0075 Chevrolet Code

1. What does the OBDII code U0075 for Chevrolet indicate?

The U0075 code specifically refers to Control Module Communication Object Detection CAN Bus Off in Chevrolet vehicles.

2. What are common symptoms of the U0075 code in a Chevrolet vehicle?

Common symptoms associated with the U0075 code include issues with communication between control modules, illuminated warning lights on the dashboard, and potential drivability problems.

3. What are some possible causes of the U0075 code in a Chevrolet?

Potential causes of the U0075 code in a Chevrolet may include damaged wiring or connectors, a faulty control module, issues with the Controller Area Network (CAN) bus, or software malfunctions.

4. How do I diagnose the U0075 code in my Chevrolet?

Diagnosing the U0075 code typically involves using an OBDII scanner to retrieve the trouble codes, inspecting the wiring and connectors for any visible damage, and performing further testing to pinpoint the exact cause.

5. Can I still drive my Chevrolet with the U0075 code present?

It is not recommended to continue driving your Chevrolet with the U0075 code present, as unresolved communication issues between control modules can lead to potential safety hazards or further damage to the vehicle.

6. How can I repair the U0075 code in my Chevrolet?

Repairing the U0075 code in a Chevrolet may involve repairing or replacing damaged wiring or connectors, addressing any issues with the control modules, resetting the codes, and performing a thorough system check.

7. Is the U0075 code specific to Chevrolet vehicles only?

While the U0075 code is commonly associated with Chevrolet vehicles, it can also occur in other makes and models that utilize the CAN bus system for communication between control modules.

8. Can the U0075 code be a recurring issue in a Chevrolet?

If the root cause of the U0075 code, such as a faulty control module or wiring issue, is not properly addressed during repair, it is possible for the code to reoccur in a Chevrolet.

9. Are there any preventive measures to avoid the U0075 code in a Chevrolet?

Regular maintenance checks, ensuring proper wiring connections, and addressing any communication issues promptly can help prevent the occurrence of the U0075 code in a Chevrolet.

10. Can a DIY enthusiast fix the U0075 code in a Chevrolet?

While some basic troubleshooting steps can be performed by a DIY enthusiast, diagnosing and repairing the U0075 code may require specialized tools and expertise, making it advisable to consult a professional mechanic for assistance.