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U007E 2016 Chevrolet Silverado Code - Control Module Communication FlexRay 1A Bus Off

Quick Answer

The U007E diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado indicates an issue with the Control Module Communication FlexRay 1A Bus. Common causes include Damaged wiring or connectors in the FlexRay network, Faulty control modules connected to the FlexRay bus, Software glitches in the control modules. 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
U007E 2016 Chevrolet Silverado indicates Control Module Communication FlexRay 1A Bus Off.
Common causes
Common causes include Damaged wiring or connectors in the FlexRay network, Faulty control modules connected to the FlexRay bus, Software glitches in the control modules.
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 17, 2024
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Code U007E 2016 Chevrolet Silverado Description

The U007E diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado indicates an issue with the Control Module Communication FlexRay 1A Bus. The FlexRay bus is a high-speed communication network used by various control modules in the vehicle to exchange data and commands. When the FlexRay 1A bus goes offline, it means that there is a loss of communication between the modules connected to this bus, which can lead to various problems in the vehicle's operation.

OBDII Code U007E 2016 Chevrolet Silverado - Control Module Communication FlexRay 1A Bus Off
U007E 2016 Chevrolet Silverado Code - Control Module Communication FlexRay 1A Bus Off

Common Causes of U007E 2016 Chevrolet Silverado

  1. Damaged wiring or connectors in the FlexRay network
  2. Faulty control modules connected to the FlexRay bus
  3. Software glitches in the control modules
  4. Electromagnetic interference affecting communication signals
  5. Water intrusion or corrosion in the wiring harness

Symptoms of U007E 2016 Chevrolet Silverado

  1. Check engine light illuminated on the dashboard
  2. Loss of communication with certain control modules (e.g., ABS, airbag)
  3. Erratic engine performance or stalling
  4. Transmission shifting issues
  5. ABS or stability control warning lights activated

How to Fix U007E 2016 Chevrolet Silverado

  1. Perform a thorough inspection of the FlexRay network wiring and connectors for any signs of damage or corrosion.
  2. Use a diagnostic scan tool to communicate with the affected control modules and identify the specific module causing the communication failure.
  3. Replace any damaged wiring or connectors in the FlexRay network.
  4. Update the software in the control modules to the latest version provided by the manufacturer.
  5. Clear the DTC and perform a test drive to verify that the communication issue has been resolved.

Cost to Fix U007E 2016 Chevrolet Silverado

The typical repair costs for addressing a U007E code on a 2016 Chevrolet Silverado can vary depending on the specific cause of the communication failure. In general, the parts required for this repair, such as wiring harnesses, connectors, or control modules, can range from $100 to $500. Labor costs at auto repair shops typically range from $80 to $150 per hour, and the total repair bill could amount to $200 to $800 or more, depending on the extent of the repairs needed. It's advisable to consult with a qualified mechanic or dealership to obtain a more accurate estimate based on the vehicle's condition and the specific diagnosis required.

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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 U007E 2016 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code U007E on a 2016 Chevrolet Silverado?

- Common symptoms include issues with the transmission, rough shifting, poor fuel economy, and the illumination of the Check Engine Light.

2. What does the OBDII code U007E for a 2016 Chevrolet Silverado indicate?

- The code U007E indicates a problem with the Control Module Communication FlexRay 1A Bus Off.

3. What are the possible causes of the U007E code on a 2016 Chevrolet Silverado?

- Possible causes include damaged wiring, loose connections, faulty control modules, or issues with the communication network.

4. How can I diagnose the U007E code on my 2016 Chevrolet Silverado?

- Diagnosing the U007E code may require a professional scan tool to check for communication errors between control modules and inspect the wiring and connectors for any damage.

5. Can a DIYer repair the U007E code on a 2016 Chevrolet Silverado?

- While some basic troubleshooting like checking connections can be done, resolving the U007E code may require advanced diagnostic equipment and expertise, making it best suited for professional repair.

6. Is it safe to continue driving with the U007E code on a 2016 Chevrolet Silverado?

- It is not recommended to drive with the U007E code present, as it can lead to performance issues and potential safety concerns due to communication problems between control modules.

7. How much does it typically cost to repair the U007E code on a 2016 Chevrolet Silverado?

- Repair costs for the U007E code can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

8. Can a software update fix the U007E code issue on a 2016 Chevrolet Silverado?

- In some cases, a software update may resolve communication issues causing the U007E code, but it is best to consult with a professional technician to determine the most suitable solution.

9. Will disconnecting the battery reset the U007E code on a 2016 Chevrolet Silverado?

- Disconnecting the battery may temporarily clear the code, but if the underlying issue causing the U007E code is not addressed, it is likely to return once the vehicle is driven again.

10. How long does it take to repair the U007E code on a 2016 Chevrolet Silverado?

- The repair time for the U007E code can vary based on the specific cause and complexity of the issue, but it may take a few hours to a full day for diagnosis and repair.

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