U007E 2017 GMC Sierra Code - Control Module Communication FlexRay 1A Bus Off
Quick Answer
The U007E diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates an issue with the Control Module Communication FlexRay 1A Bus being off. Common causes include Faulty control module, Damaged wiring or connectors in the FlexRay network, Corrosion or poor connections in the communication system. 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 2017 GMC Sierra indicates Control Module Communication FlexRay 1A Bus Off.
- Common causes
- Common causes include Faulty control module, Damaged wiring or connectors in the FlexRay network, Corrosion or poor connections in the communication system.
- 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 U007E 2017 GMC Sierra Description
The U007E diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates an issue with the Control Module Communication FlexRay 1A Bus being off. The FlexRay communication system is a high-speed network used in modern vehicles to facilitate communication between various control modules and sensors. When the FlexRay 1A Bus is off, it means that there is a loss of communication on this particular network, which can lead to various problems within the vehicle's systems.
Common Causes of U007E 2017 GMC Sierra
- Faulty control module
- Damaged wiring or connectors in the FlexRay network
- Corrosion or poor connections in the communication system
- Software glitches or programming issues
- Electrical interference or short circuits in the system
Symptoms of U007E 2017 GMC Sierra
- Check engine light illuminated on the dashboard
- Engine running rough or misfiring
- Transmission shifting erratically
- Loss of power or acceleration
- Stability control or ABS warning lights activated
How to Fix U007E 2017 GMC Sierra
- Perform a thorough diagnostic scan to retrieve the specific DTC and identify the affected control module.
- Inspect the wiring harness, connectors, and FlexRay network for any visible damage or corrosion.
- Test the control module and communication network for proper functionality using specialized diagnostic tools.
- Replace any faulty components, such as the control module or damaged wiring, and ensure proper connections.
- Clear the DTC and perform a final test drive to confirm that the issue has been resolved.
Cost to Fix U007E 2017 GMC Sierra
** The cost of repairing the U007E code on a 2017 GMC Sierra can vary depending on the exact cause of the issue and the specific components that need to be replaced. On average, the repair costs for addressing a communication network problem like this can range from $200 to $500, including parts and labor. However, it's essential to note that diagnosis time and labor rates at auto repair shops can fluctuate based on location, vehicle make and model, and the complexity of the repair. It's recommended to obtain a detailed quote from a reputable auto repair shop to get a more accurate estimate for this repair.
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Frequently Asked Questions about U007E 2017 GMC Sierra Code
1. What does the OBDII code U007E mean for a 2017 GMC Sierra?
The U007E code indicates an issue with the Control Module Communication FlexRay 1A Bus being "off," meaning there's a communication failure in the FlexRay network.
2. What are common symptoms of the U007E code in a 2017 GMC Sierra?
Symptoms may include warning lights on the dashboard, such as the check engine light, loss of communication with certain control modules, or erratic vehicle behavior like malfunctioning electronic systems.
3. What causes the U007E code on a 2017 GMC Sierra?
Common causes include a faulty control module, damaged FlexRay communication wiring, poor electrical connections, or issues with the battery or power supply to the modules.
4. Can a weak battery cause the U007E code in a 2017 GMC Sierra?
Yes, a weak or failing battery can lead to communication issues in the FlexRay network, potentially triggering the U007E code.
5. How do you diagnose the U007E code on a 2017 GMC Sierra?
Diagnosis involves using a scan tool to check for related codes, inspecting the wiring and connections in the FlexRay network, and testing the power and ground to the affected control modules.
6. Is it safe to drive a 2017 GMC Sierra with the U007E code?
Driving with this code may be unsafe if critical systems are affected, such as ABS or stability control. It's best to have the issue diagnosed and repaired promptly.
7. What repairs might fix the U007E code on a 2017 GMC Sierra?
Repairs can include fixing or replacing damaged wiring, securing loose connections, replacing a faulty control module, or addressing power supply issues.
8. Can clearing the U007E code solve the problem in a 2017 GMC Sierra?
Clearing the code may temporarily turn off the warning light, but the issue will likely return if the underlying problem isn't addressed.
9. What tools are needed to troubleshoot the U007E code in a 2017 GMC Sierra?
You’ll need an advanced scan tool capable of reading manufacturer-specific codes, a multimeter for electrical testing, and possibly a wiring diagram for the FlexRay network.
10. How much does it cost to fix the U007E code on a 2017 GMC Sierra?
Repair costs vary depending on the cause, but they can range from $100 for simple wiring repairs to over $1,000 if a control module needs replacement.
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