U007E 2017 GMC Sierra Code - Control Module Communication FlexRay 1A Bus Off
Quick Answer
The devices connected to the object high-speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Check for more codes, Faulty Control Module, Control Module harness is open or shorted. 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 Check for more codes, Faulty Control Module, Control Module harness is open or shorted.
- 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.
Code U007E 2017 GMC Sierra Description
What are the Possible Causes of the DTC U007E 2017 GMC Sierra?
- Check for more codes
- Faulty Control Module
- Control Module harness is open or shorted
- Control Module circuit poor electrical connection
How to Fix the DTC U007E 2017 GMC Sierra?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the U007E 2017 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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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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