AutoCodes – GMC – U0075 2017 GMC Sierra

U0075 2017 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 2017 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 211

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 2017 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 2017 GMC Sierra - Control Module Communication Object Detection CAN Bus Off - AutoCodes.com — U0075 2017 GMC Sierra Code - Control Module Communication Object Detection CAN Bus Off

What does this mean?

What are the Possible Causes of the DTC U0075 2017 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 2017 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 2017 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 2017 GMC Sierra code?

Need more information on how to fix the U0075 2017 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 2017 GMC Sierra Code

1. What does the OBDII code U0075 for a 2017 GMC Sierra mean?

The code U0075 indicates a Control Module Communication Object Detection CAN Bus Off error in the vehicle's communication network.

2. What are some common symptoms of the U0075 code in a 2017 GMC Sierra?

Common symptoms of the U0075 code may include issues with the vehicle's transmission shifting erratically, loss of power steering assist, or various warning lights appearing on the dashboard.

3. What are possible causes of the U0075 code in a 2017 GMC Sierra?

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

4. How can I diagnose the U0075 code in my 2017 GMC Sierra?

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

5. Can I still drive my 2017 GMC Sierra with the U0075 code present?

It is not recommended to drive your vehicle with the U0075 code present, as it can lead to potential safety hazards and further damage to the vehicle's systems. It's best to address the issue promptly.

6. How can I repair the U0075 code in my 2017 GMC Sierra?

Repairing the U0075 code may involve repairing or replacing damaged wiring or connectors in the CAN bus system, updating control module software, or replacing faulty control modules as needed.

7. Will resetting the trouble codes make the U0075 code go away?

Simply resetting the trouble codes may temporarily clear the U0075 code, but if the underlying issue causing the code is not resolved, it is likely to reappear once the vehicle is driven again.

8. Can a DIY enthusiast fix the U0075 code in a 2017 GMC Sierra?

While some aspects of diagnosing and repairing the U0075 code may be possible for a knowledgeable DIY enthusiast with the right tools and resources, complex issues may require professional assistance.

9. How much does it cost to repair the U0075 code in a 2017 GMC Sierra?

The cost of repairing the U0075 code can vary depending on the specific cause of the issue, the extent of the damage, and whether any parts need to be replaced. It's advisable to obtain a professional diagnosis for an accurate estimate.

10. How can I prevent the U0075 code from recurring in my 2017 GMC Sierra?

To prevent the U0075 code from recurring, it's essential to address any underlying issues promptly, perform regular maintenance on the vehicle's communication systems, and follow the manufacturer's recommended service schedule.