U007F 2017 GMC Sierra Code - Control Module Communication FlexRay 1B Bus Off
Quick Answer
The U007F diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates a problem with the Control Module Communication FlexRay 1B Bus. Common causes include Damaged wiring or connectors in the FlexRay communication bus, Faulty control module, Software glitch in one of the 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
- U007F 2017 GMC Sierra indicates Control Module Communication FlexRay 1B Bus Off.
- Common causes
- Common causes include Damaged wiring or connectors in the FlexRay communication bus, Faulty control module, Software glitch in one of the 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.
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 U007F 2017 GMC Sierra Description
The U007F diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates a problem with the Control Module Communication FlexRay 1B Bus. This code signifies that there is a communication issue between one of the control modules on the FlexRay communication bus and the main vehicle network. The FlexRay communication bus is a high-speed network that allows various control modules in the vehicle to exchange data and information quickly and efficiently.
Common Causes of U007F 2017 GMC Sierra
- Damaged wiring or connectors in the FlexRay communication bus
- Faulty control module
- Software glitch in one of the modules
- Electromagnetic interference affecting communication signals
- Corrosion on connectors or terminals
Symptoms of U007F 2017 GMC Sierra
- Check engine light illuminated
- Loss of communication with various control modules
- Erratic behavior from different systems (e.g., transmission shifting issues)
- Vehicle may go into limp mode
- Unresponsive or malfunctioning dashboard displays
How to Fix U007F 2017 GMC Sierra
- Diagnose the specific control module and communication bus affected by the U007F code using a professional automotive scan tool.
- Inspect wiring, connectors, and terminals for any damage or corrosion. Repair or replace as needed.
- Check for software updates for the control modules involved. Update software if necessary.
- Clear the DTC and retest the vehicle to ensure the issue has been resolved.
- If the problem persists, consider replacing the faulty control module or seeking further professional assistance.
Cost to Fix U007F 2017 GMC Sierra
The typical repair costs for addressing a U007F DTC can vary depending on the specific cause of the issue. In general, you can expect to pay between $100 and $500 for parts and labor. However, it's essential to keep in mind that diagnostic time and labor rates can vary significantly based on location, vehicle make and model, and the expertise of the technician. It's advisable to check with local auto repair shops to get a more accurate estimate for your specific situation.
Need more information about the U007F 2017 GMC Sierra code?
Need more information on how to fix the U007F 2017 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U007F 2017 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about U007F 2017 GMC Sierra Code
1. What does the OBDII code U007F mean on a 2017 GMC Sierra?
The U007F code indicates a communication issue on the FlexRay 1B Bus, which is a high-speed communication network used by control modules in the vehicle.
2. What are the symptoms of the U007F code on a 2017 GMC Sierra?
Common symptoms include warning lights on the dashboard, such as the check engine light or stability control light, malfunctioning electronic systems, or intermittent issues with vehicle performance.
3. What causes the U007F code to appear on a 2017 GMC Sierra?
The code is often caused by a faulty control module, damaged or corroded wiring, poor electrical connections, or a failure in the FlexRay communication network.
4. Can I drive my 2017 GMC Sierra with the U007F code?
It’s possible to drive with this code, but it’s not recommended since it can lead to further issues with vehicle systems that rely on proper communication.
5. How do I diagnose the U007F code on a 2017 GMC Sierra?
Start by checking for damaged wiring and connectors in the FlexRay network, inspecting related control modules, and using a scan tool to pinpoint the fault.
6. What tools are needed to diagnose the U007F code on a 2017 GMC Sierra?
A professional-grade OBDII scanner with advanced diagnostic capabilities is needed to access and analyze the FlexRay network and related control modules.
7. How can the U007F code on a 2017 GMC Sierra be repaired?
Repairs may include replacing damaged wiring, cleaning corroded connections, reprogramming or replacing faulty control modules, or addressing grounding issues.
8. Is the U007F code common in 2017 GMC Sierra vehicles?
It’s not a common code but can occur in vehicles with complex communication networks like the FlexRay system when there are electrical or module-related issues.
9. How much does it cost to fix the U007F code on a 2017 GMC Sierra?
Repair costs vary depending on the cause, but they can range from $100 for a simple wiring repair to $1,000 or more if a control module needs replacement.
10. Can a dead battery cause the U007F code on a 2017 GMC Sierra?
Yes, a weak or dead battery can disrupt communication on the FlexRay network and trigger the U007F code. Always check the battery and charging system first.
Discuss the causes and fixes for U007F 2017 GMC Sierra OBDII Code
Code U007F 2017 GMC Sierra 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.