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U007D 2016 Chevrolet Silverado Code - Control Module Communication Low Speed Extension CAN Bus Off

Quick Answer

The U007D diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado indicates a problem with the Control Module Communication Low Speed Extension CAN Bus. Common causes include Faulty control module, Wiring or connection issues in the CAN bus network, Corrosion or damage to CAN bus connectors. 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 Chevrolet Silverado indicates Control Module Communication Low Speed Extension CAN Bus Off.
Common causes
Common causes include Faulty control module, Wiring or connection issues in the CAN bus network, Corrosion or damage to CAN bus connectors.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code U007D 2016 Chevrolet Silverado Description

The U007D diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado indicates a problem with the Control Module Communication Low Speed Extension CAN Bus. This code specifically points to a communication issue between control modules in the vehicle, particularly on the low-speed CAN (Controller Area Network) bus. The CAN bus is a network that allows various control modules in the vehicle to communicate with each other, sharing important data and commands.

OBDII Code U007D 2016 Chevrolet Silverado - Control Module Communication Low Speed Extension CAN Bus Off
U007D 2016 Chevrolet Silverado Code - Control Module Communication Low Speed Extension CAN Bus Off

Common Causes of U007D 2016 Chevrolet Silverado

  1. Faulty control module
  2. Wiring or connection issues in the CAN bus network
  3. Corrosion or damage to CAN bus connectors
  4. Software glitches in control modules
  5. Electrical interference or noise affecting communication

Symptoms of U007D 2016 Chevrolet Silverado

  1. Dashboard warning lights (such as the Check Engine Light) illuminated
  2. Erratic behavior of electronic components (e.g., power windows, door locks)
  3. Transmission shifting issues
  4. Engine performance problems
  5. Loss of communication with certain control modules

How to Fix U007D 2016 Chevrolet Silverado

  1. Diagnose the specific control module or wiring causing the communication issue using a diagnostic scan tool.
  2. Inspect the CAN bus network for any damaged or corroded connectors, wiring, or components.
  3. Repair or replace faulty control modules or wiring as necessary.
  4. Clear the DTC and perform a relearn procedure to reestablish communication between modules.
  5. Test drive the vehicle to ensure proper operation and verify that the U007D code does not return.

Cost to Fix U007D 2016 Chevrolet Silverado

The typical repair costs for addressing a U007D code on a 2016 Chevrolet Silverado can vary depending on the specific cause of the issue. Parts such as control modules or wiring harnesses may need to be replaced, and labor costs for diagnosis and repair can also contribute to the overall expense. On average, the repair for this type of issue could range from $200 to $500, including parts and labor. However, it's essential to note that actual costs can differ based on factors like location, dealership vs. independent shop rates, and the extent of the repair needed. It's advisable to consult with a trusted mechanic or repair shop for a more accurate estimate tailored to your situation.

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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 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code U007D in a 2016 Chevrolet Silverado?

- Common symptoms include intermittent or permanent loss of communication between control modules, warning lights on the dashboard, and potential drivability issues.

2. What does the U007D code mean for a 2016 Chevrolet Silverado?

- The U007D code indicates a problem with the low-speed extension CAN bus communication between control modules in the vehicle.

3. What are the possible causes of the U007D code in a 2016 Chevrolet Silverado?

- Possible causes include faulty wiring or connections, damaged control modules, software issues, or a malfunctioning CAN bus network.

4. How can I diagnose the U007D code in my 2016 Chevrolet Silverado?

- Diagnosing the U007D code typically involves checking the wiring and connections, inspecting the control modules, and using a diagnostic scan tool to analyze the communication network.

5. Can I still drive my 2016 Chevrolet Silverado with the U007D code present?

- It is not recommended to drive the vehicle with the U007D code present, as it may lead to further communication issues between critical control modules.

6. How can I repair the U007D code in my 2016 Chevrolet Silverado?

- Repairing the U007D code may involve repairing or replacing damaged wiring, addressing faulty control modules, updating software, or reprogramming the CAN bus network.

7. Is it safe to reset the U007D code in a 2016 Chevrolet Silverado using a diagnostic scanner?

- While resetting the code may temporarily clear the warning lights, it is crucial to diagnose and repair the underlying issue causing the U007D code for safe and proper operation of the vehicle.

8. Can extreme weather conditions cause the U007D code to appear in a 2016 Chevrolet Silverado?

- Yes, extreme weather conditions like excessive heat or cold can affect the wiring and connections, potentially leading to communication issues triggering the U007D code.

9. How long does it typically take to repair the U007D code in a 2016 Chevrolet Silverado?

- The repair time for the U007D code can vary depending on the specific cause and complexity of the issue, ranging from a quick fix to a more extensive repair requiring professional assistance.

10. Are there any preventative maintenance tips to avoid the U007D code in a 2016 Chevrolet Silverado?

- Regularly inspecting and maintaining the vehicle's wiring, connections, and control modules can help prevent issues leading to the U007D code. Additionally, following recommended service intervals can aid in early detection and resolution of potential communication problems.

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