AutoCodes – GMC – U0075 2016 GMC Sierra

U0075 2016 GMC Sierra 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 2016 GMC Sierra 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 168

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 19, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U0075 2016 GMC Sierra 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 2016 GMC Sierra - Control Module Communication Object Detection CAN Bus Off - AutoCodes.com — U0075 2016 GMC Sierra Code - Control Module Communication Object Detection CAN Bus Off

What does this mean?

What are the Possible Causes of the DTC U0075 2016 GMC Sierra?

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 2016 GMC Sierra?

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 2016 GMC Sierra 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 2016 GMC Sierra code?

Need more information on how to fix the U0075 2016 GMC Sierra code? Get Access to Factory Service Manuals

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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 2016 GMC Sierra Code

1. What does the OBDII code U0075 for a 2016 GMC Sierra mean?

The U0075 code indicates a communication problem related to the Control Module Communication Object Detection CAN Bus Off in your GMC Sierra.

2. What are the common symptoms of the U0075 code in a 2016 GMC Sierra?

Common symptoms of the U0075 code may include issues with the vehicle's transmission, erratic engine performance, and various warning lights illuminated on the dashboard.

3. What are the possible causes of the U0075 code in a 2016 GMC Sierra?

Potential causes of the U0075 code include a faulty control module, damaged wiring or connectors in the CAN bus system, or a malfunctioning communication network within the vehicle.

4. How can I diagnose the U0075 code in my 2016 GMC Sierra?

Diagnosing the U0075 code typically involves using an OBDII scanner to retrieve the specific fault codes, checking the integrity of the CAN bus system, inspecting wiring and connectors, and testing the control modules for proper communication.

5. Can I still drive my 2016 GMC Sierra with the U0075 code present?

It is not recommended to drive your GMC Sierra with the U0075 code active, as it can affect the vehicle's performance and potentially lead to further damage. It's best to address the issue promptly.

6. How can I repair the U0075 code in my 2016 GMC Sierra?

Repairing the U0075 code may involve replacing a faulty control module, repairing or replacing damaged wiring or connectors, or addressing any communication network issues within the vehicle's system.

7. Is resetting the trouble codes enough to fix the U0075 code in a 2016 GMC Sierra?

Simply clearing the trouble codes may not fix the underlying issue causing the U0075 code. It's essential to diagnose the root cause of the problem and address it accordingly.

8. Can a DIY enthusiast fix the U0075 code in a 2016 GMC Sierra?

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

9. How much does it cost to repair the U0075 code in a 2016 GMC Sierra?

The cost of repairing the U0075 code can vary depending on the specific cause of the issue, parts needed for replacement, labor rates, and your location. It's best to get a diagnostic assessment from a qualified mechanic for an accurate estimate.

10. Can regular maintenance help prevent the U0075 code from appearing in my 2016 GMC Sierra?

While regular maintenance can help keep your vehicle's systems in good condition, some causes of the U0075 code may be related to unforeseen issues. However, staying up-to-date on maintenance tasks can potentially reduce the risk of certain problems.