AutoCodes – Chevrolet – U0075 2018 Chevrolet Silverado

U0075 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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 173

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 2018 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 U0075 2018 Chevrolet Silverado - Control Module Communication Object Detection CAN Bus Off - AutoCodes.com — U0075 2018 Chevrolet Silverado Code - Control Module Communication Object Detection CAN Bus Off

What does this mean?

What are the Possible Causes of the DTC U0075 2018 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 U0075 2018 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 U0075 2018 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 U0075 2018 Chevrolet Silverado code?

Need more information on how to fix the U0075 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U0075 2018 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 U0075 2018 Chevrolet Silverado Code

1. What does the OBDII code U0075 on a 2018 Chevrolet Silverado mean?

The code U0075 indicates a communication problem with the Control Module Communication Object Detection CAN Bus Off in your vehicle.

2. What are the common symptoms of a U0075 code in a 2018 Chevrolet Silverado?

Common symptoms of a U0075 code may include the check engine light coming on, loss of communication with certain control modules, and issues with vehicle performance.

3. What are the possible causes of a U0075 code in a 2018 Chevrolet Silverado?

Possible causes of a U0075 code include damaged wiring or connectors in the CAN bus system, faulty control modules, software issues, or a powertrain control module (PCM) failure.

4. How can I diagnose a U0075 code in my 2018 Chevrolet Silverado?

Diagnosing a U0075 code typically involves using a diagnostic scanner to read the code, checking for any related codes, inspecting the wiring and connectors in the CAN bus system, and testing the control modules for proper communication.

5. Can I still drive my 2018 Chevrolet Silverado with a U0075 code?

It is not recommended to drive your vehicle with a U0075 code present, as it can affect the communication between critical control modules and potentially impact the vehicle's performance and safety.

6. How can I repair a U0075 code in my 2018 Chevrolet Silverado?

Repairing a U0075 code may involve repairing or replacing damaged wiring or connectors, reprogramming control modules, or replacing faulty control modules as needed.

7. Is it possible to clear a U0075 code in a 2018 Chevrolet Silverado without fixing the underlying issue?

Clearing a U0075 code without addressing the underlying issue is not recommended, as the problem is likely to reoccur and could lead to further issues with the vehicle's communication system.

8. Are there any recalls or technical service bulletins related to the U0075 code in a 2018 Chevrolet Silverado?

It's recommended to check with a Chevrolet dealership or online resources for any recalls or technical service bulletins related to the U0075 code in your specific vehicle to see if there are any known issues or remedies.

9. Can a DIY enthusiast fix a U0075 code in a 2018 Chevrolet Silverado?

While some DIY enthusiasts may have the skills and tools to diagnose and repair a U0075 code, it's recommended to consult with a professional mechanic or dealership for proper diagnosis and repair to ensure the issue is resolved correctly.

10. How much can it cost to repair a U0075 code in a 2018 Chevrolet Silverado?

The cost of repairing a U0075 code can vary depending on the underlying cause and the extent of the repairs needed. It's advisable to obtain a professional diagnosis to get an accurate estimate of the repair costs for your specific situation.