U007C 2018 GMC Sierra Code - Control Module Communication High Speed Extension CAN Bus 2 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
- U007C 2018 GMC Sierra indicates Control Module Communication High Speed Extension CAN Bus 2 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 U007C 2018 GMC Sierra Description
What are the Possible Causes of the DTC U007C 2018 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 U007C 2018 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 U007C 2018 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.
Need more information about the U007C 2018 GMC Sierra code?
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Frequently Asked Questions about U007C 2018 GMC Sierra Code
1. What are the common symptoms of OBDII code U007C in a 2018 GMC Sierra?
The common symptoms of code U007C in a 2018 GMC Sierra include issues with the vehicle's communication systems, such as erratic or failed communication between control modules, warning lights on the dashboard, and possible drivability problems.
2. What does OBDII code U007C 'Control Module Communication High Speed Extension CAN Bus 2 Off' mean for a 2018 GMC Sierra?
Code U007C indicates a loss of communication or a fault in the high-speed CAN Bus network extension for Control Module Communication in a 2018 GMC Sierra.
3. What are the potential causes of OBDII code U007C in a 2018 GMC Sierra?
Common causes of code U007C in a 2018 GMC Sierra include wiring issues, faulty control modules, loose connections, damaged CAN Bus circuits, or software malfunctions within the vehicle's communication systems.
4. How can I diagnose OBDII code U007C in my 2018 GMC Sierra?
Diagnosing code U007C involves using a diagnostic scanner to retrieve the trouble codes, inspecting the wiring and connections related to the high-speed CAN Bus network, checking for loose connections, and performing tests on the control modules and communication circuits.
5. Is it safe to drive my 2018 GMC Sierra with OBDII code U007C present?
It is not recommended to drive your 2018 GMC Sierra with code U007C present, as it can potentially cause communication issues between critical control modules and affect the vehicle's performance and safety systems.
6. Can OBDII code U007C in a 2018 GMC Sierra be repaired at home?
Repairing code U007C in a 2018 GMC Sierra may require advanced diagnostic tools and technical knowledge. While simple fixes like checking connections can be done at home, resolving complex issues with control modules or wiring may require professional assistance.
7. How much does it typically cost to repair OBDII code U007C in a 2018 GMC Sierra?
The cost of repairing code U007C in a 2018 GMC Sierra can vary depending on the underlying cause. Simple fixes like reconnecting wires may be inexpensive, while replacing faulty control modules or repairing damaged wiring can be more costly.
8. Can resetting the OBDII code U007C in a 2018 GMC Sierra make it go away permanently?
Resetting the code may temporarily clear the warning light, but if the underlying issue causing code U007C is not addressed, the code is likely to reappear. It is crucial to diagnose and repair the root cause of the problem to prevent the code from coming back.
9. Are there any preventive measures to avoid OBDII code U007C in a 2018 GMC Sierra?
Regular maintenance, checking the vehicle's wiring and connections, and addressing any communication system issues promptly can help prevent OBDII code U007C from occurring in a 2018 GMC Sierra.
10. How does OBDII code U007C affect the performance of a 2018 GMC Sierra?
Code U007C can impact the performance of a 2018 GMC Sierra by disrupting communication between control modules, potentially causing drivability issues, warning lights, and malfunctions in various vehicle systems that rely on proper communication between components.
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