U007E Chevrolet Code - Control Module Communication FlexRay 1A Bus Off
Quick Answer
The U007E code for Chevrolet indicates a problem with the Control Module Communication FlexRay 1A Bus, specifically that it is offline. Common causes include Faulty wiring or connections in the FlexRay bus, Defective control module(s) on the bus, Water or corrosion damage to the wiring or 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
- U007E Chevrolet indicates Control Module Communication FlexRay 1A Bus Off.
- Common causes
- Common causes include Faulty wiring or connections in the FlexRay bus, Defective control module(s) on the bus, Water or corrosion damage to the wiring or 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code U007E Chevrolet Description
The U007E code for Chevrolet indicates a problem with the Control Module Communication FlexRay 1A Bus, specifically that it is offline. This means that there is a communication issue between the various control modules in the vehicle, which can lead to malfunctions in different systems. The FlexRay bus is a high-speed communication protocol used in modern vehicles to transmit data between different modules, such as the engine control module, transmission control module, ABS module, and more. When this communication is disrupted, it can cause a range of issues and potentially affect the vehicle's performance.
Common Causes of U007E Chevrolet
- Faulty wiring or connections in the FlexRay bus
- Defective control module(s) on the bus
- Water or corrosion damage to the wiring or connectors
- Software issues or glitches in the control modules
- Electrical interference from aftermarket modifications or accessories
Symptoms of U007E Chevrolet
- Check engine light is illuminated on the dashboard
- Loss of communication with various control modules
- Erratic behavior of electronic systems such as ABS or stability control
- Vehicle may go into limp mode, limiting performance
- Issues with starting the vehicle
How to Fix U007E Chevrolet
- Diagnose the specific control module(s) causing the communication error
- Inspect the wiring and connectors for any damage or corrosion
- Repair or replace any faulty wiring or connectors
- Update software in the control modules if necessary
- Clear the code and perform a thorough test drive to ensure the issue is resolved
Cost to Fix U007E Chevrolet
The cost of repairing a U007E code can vary depending on the specific cause of the issue and the labor rates in your area. In general, you can expect to pay anywhere from $100 to $500 for parts and labor. Keep in mind that additional diagnostic time may be needed to pinpoint the exact cause of the problem, so it's best to consult with a qualified mechanic for a more accurate estimate.
Need more information about the U007E Chevrolet code?
Need more information on how to fix the U007E Chevrolet code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U007E Chevrolet code diagnosed by a professional: Find a repair shop in your area
Information for Specific Chevrolet Models
- U007E 2014 Chevrolet Silverado — Control Module Communication FlexRay 1A Bus Off
- U007E 2015 Chevrolet Silverado — Control Module Communication FlexRay 1A Bus Off
- U007E 2016 Chevrolet Silverado — Control Module Communication FlexRay 1A Bus Off
- U007E 2017 Chevrolet Silverado — Control Module Communication FlexRay 1A Bus Off
- U007E 2018 Chevrolet Silverado — Control Module Communication FlexRay 1A Bus Off
Frequently Asked Questions about U007E Chevrolet Code
What does OBD-II code U007E mean on a Chevrolet?
Code U007E indicates a communication issue between control modules on the vehicle's FlexRay bus system, specifically "FlexRay 1A Bus Off," meaning the bus has stopped functioning properly.
What are the common symptoms of code U007E in a Chevrolet?
Symptoms may include warning lights on the dashboard, erratic vehicle behavior, loss of communication with certain control modules, or failure of specific systems like ABS, transmission, or stability control.
What causes code U007E in a Chevrolet?
Causes can include damaged wiring or connectors in the FlexRay communication network, module software issues, failed control modules, or electromagnetic interference affecting the system.
How can I diagnose code U007E in a Chevrolet?
Diagnosis typically involves using a scan tool to check for related codes, inspecting wiring and connectors for damage, verifying the integrity of the FlexRay bus, and testing individual control modules for faults.
Can I drive my Chevrolet with code U007E?
While it may be possible to drive the vehicle, issues with communication between control modules could impact safety-critical systems, so it's recommended to address the problem promptly.
How do I fix code U007E in a Chevrolet?
Repairs may include replacing damaged wiring or connectors, reprogramming or replacing faulty control modules, or resetting the FlexRay communication system using a scan tool.
What is the FlexRay communication bus in a Chevrolet?
FlexRay is a high-speed communication protocol used in modern vehicles to enable data exchange between control modules for systems like braking, steering, and stability control.
Can a weak battery cause code U007E in a Chevrolet?
Yes, a weak or failing battery can cause voltage fluctuations that disrupt communication between control modules, potentially triggering code U007E.
How much does it cost to fix code U007E in a Chevrolet?
Repair costs vary depending on the root cause, ranging from $100 for minor wiring repairs to over $1,000 if control module replacement and programming are required.
Should I reset the FlexRay system to clear code U007E?
Resetting the system may clear the code temporarily, but it’s important to diagnose and repair the underlying issue to prevent recurrence.
Discuss the causes and fixes for U007E Chevrolet OBDII Code
Code U007E Chevrolet comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.