AutoCodes – GMC – U007D 2016 GMC Sierra

U007D 2016 GMC Sierra Code - Control Module Communication Low Speed Extension 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: U007D 2016 GMC Sierra indicates Control Module Communication Low Speed Extension 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 224

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
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Code U007D 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 U007D 2016 GMC Sierra - Control Module Communication Low Speed Extension CAN Bus Off - AutoCodes.com — U007D 2016 GMC Sierra Code - Control Module Communication Low Speed Extension CAN Bus Off

What does this mean?

What are the Possible Causes of the DTC U007D 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 U007D 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 U007D 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 U007D 2016 GMC Sierra code?

Need more information on how to fix the U007D 2016 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 U007D 2016 GMC Sierra Code

1. What are the common symptoms of OBDII code U007D in a 2016 GMC Sierra?

- Common symptoms include issues with the vehicle's transmission, engine performance problems, and dashboard warning lights related to communication errors.

2. What does the OBDII code U007D in a 2016 GMC Sierra mean?

- The code U007D indicates a problem with the Control Module Communication Low Speed Extension CAN Bus Off in the vehicle.

3. What are possible causes of the U007D code in a 2016 GMC Sierra?

- Possible causes include faulty wiring or connectors, a malfunctioning control module, a damaged CAN bus, or a communication network issue.

4. How can I diagnose the U007D code in my 2016 GMC Sierra?

- You can diagnose the U007D code by using a diagnostic scanner to retrieve the specific fault codes stored in the vehicle's computer system and inspecting the wiring and connectors for any visible damage.

5. Can I still drive my 2016 GMC Sierra with the U007D code present?

- Driving with the U007D code present is not recommended as it can lead to further damage to the vehicle and potentially unsafe driving conditions due to communication errors.

6. How can I repair the U007D code in my 2016 GMC Sierra?

- Repairing the U007D code may involve checking and repairing any damaged wiring or connectors, replacing the faulty control module, or addressing any issues with the CAN bus network.

7. Is it necessary to reset the OBDII code U007D after making repairs in a 2016 GMC Sierra?

- Yes, it is recommended to reset the code after making repairs to clear the fault codes from the vehicle's computer system and ensure that the issue has been resolved.

8. Can a DIY enthusiast fix the U007D code in a 2016 GMC Sierra?

- While some basic diagnostics and repairs can be done by a DIY enthusiast, complex issues related to the U007D code may require professional assistance to ensure proper diagnosis and repair.

9. How much does it typically cost to repair the U007D code in a 2016 GMC Sierra?

- The cost of repairing the U007D code can vary depending on the specific cause of the issue, but it may involve expenses for parts, labor, and diagnostic services.

10. Are there any preventive measures to avoid the U007D code in a 2016 GMC Sierra?

- Regular maintenance, such as checking the vehicle's wiring and connectors for any signs of wear or damage, can help prevent issues that may trigger the U007D code.