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U007D 2017 Chevrolet Silverado Code - Control Module Communication Low Speed Extension CAN Bus Off

Quick Answer

The U007D diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates an issue with the Control Module Communication Low Speed Extension CAN Bus Off. Common causes include Faulty control module, Wiring harness issues, Loose or corroded electrical connections. 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 2017 Chevrolet Silverado indicates Control Module Communication Low Speed Extension CAN Bus Off.
Common causes
Common causes include Faulty control module, Wiring harness issues, Loose or corroded electrical connections.
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 11, 2024
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Code U007D 2017 Chevrolet Silverado Description

The U007D diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates an issue with the Control Module Communication Low Speed Extension CAN Bus Off. This code specifically relates to a communication problem within the vehicle's network of control modules, particularly on the low-speed CAN (Controller Area Network) bus. The CAN bus is a communication protocol used by various electronic control units (ECUs) within the vehicle to exchange data and commands.

OBDII Code U007D 2017 Chevrolet Silverado - Control Module Communication Low Speed Extension CAN Bus Off
U007D 2017 Chevrolet Silverado Code - Control Module Communication Low Speed Extension CAN Bus Off

Common Causes of U007D 2017 Chevrolet Silverado

  1. Faulty control module
  2. Wiring harness issues
  3. Loose or corroded electrical connections
  4. Software glitches or programming errors
  5. Water damage or exposure to environmental elements

Symptoms of U007D 2017 Chevrolet Silverado

  1. Check engine light illuminated
  2. Loss of communication with certain vehicle systems (e.g., ABS, airbags)
  3. Erratic behavior of electronic components (e.g., power windows, door locks)
  4. Difficulty starting the vehicle
  5. Reduced fuel efficiency

How to Fix U007D 2017 Chevrolet Silverado

  1. Diagnose the specific control module causing the communication issue using a diagnostic scan tool.
  2. Inspect the wiring harness for any damage, corrosion, or loose connections.
  3. Check and clean electrical connectors to ensure a proper connection.
  4. Update control module software or reprogram as necessary.
  5. Replace any faulty control modules if needed.

Cost to Fix U007D 2017 Chevrolet Silverado

The typical repair costs for addressing a U007D code on a 2017 Chevrolet Silverado can vary depending on the root cause of the issue. Generally, the cost can range from $200 to $500 for parts and labor. However, it's essential to note that prices can fluctuate based on factors such as location, the specific diagnosis time required, and labor rates at auto repair shops. It is advisable to consult with a professional technician for an accurate estimate tailored to your vehicle's needs.

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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 2017 Chevrolet Silverado Code

1. What are common symptoms of OBDII code U007D in a 2017 Chevrolet Silverado?

The common symptoms of OBDII code U007D in a 2017 Chevrolet Silverado may include intermittent or complete loss of communication with various control modules, dashboard warning lights, and potential drivability issues.

2. What are the possible causes of OBDII code U007D in a 2017 Chevrolet Silverado?

Possible causes of OBDII code U007D in a 2017 Chevrolet Silverado include damaged wiring or connectors, faulty control modules, issues with the Controller Area Network (CAN) bus communication system, or software glitches.

3. How can I diagnose OBDII code U007D in a 2017 Chevrolet Silverado?

Diagnosing OBDII code U007D in a 2017 Chevrolet Silverado typically involves using a diagnostic scanner to retrieve the fault codes, inspecting the wiring and connectors for damage, testing control modules, and checking the CAN bus system for faults.

4. Can I still drive my 2017 Chevrolet Silverado with OBDII code U007D?

It is not recommended to drive your 2017 Chevrolet Silverado with OBDII code U007D, as it can lead to potential safety hazards and further damage to the vehicle's control systems. It's best to address the issue promptly.

5. How can I repair OBDII code U007D in my 2017 Chevrolet Silverado?

Repairing OBDII code U007D in a 2017 Chevrolet Silverado may involve repairing or replacing damaged wiring and connectors, troubleshooting and repairing control modules, resetting the fault codes, and ensuring proper communication on the CAN bus system.

6. Is it necessary to reset the OBDII code U007D in a 2017 Chevrolet Silverado after making repairs?

Yes, it is important to reset the OBDII code U007D in a 2017 Chevrolet Silverado after making repairs to clear the fault code from the system and verify that the issue has been resolved.

7. Can a DIY enthusiast address OBDII code U007D in a 2017 Chevrolet Silverado?

While some basic troubleshooting steps can be performed by a DIY enthusiast, diagnosing and repairing OBDII code U007D in a 2017 Chevrolet Silverado may require specialized tools and expertise, so it's recommended to consult a professional mechanic.

8. How much does it cost to fix OBDII code U007D in a 2017 Chevrolet Silverado?

The cost to fix OBDII code U007D in a 2017 Chevrolet Silverado can vary depending on the underlying cause of the issue, the parts needed for repair, and labor costs. It's advisable to get a diagnostic assessment from a mechanic for an accurate estimate.

9. Are there any recalls or technical service bulletins related to OBDII code U007D in a 2017 Chevrolet Silverado?

It's recommended to check with Chevrolet or a local dealership for any recalls or technical service bulletins related to OBDII code U007D in a 2017 Chevrolet Silverado, as there may be specific repair procedures or solutions provided by the manufacturer.

10. How can I prevent OBDII code U007D from occurring in my 2017 Chevrolet Silverado?

To help prevent OBDII code U007D in a 2017 Chevrolet Silverado, it's important to regularly maintain the vehicle, including checking the wiring and connectors, performing software updates if available, and addressing any communication issues promptly to avoid further complications.

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