U007C 2016 GMC Sierra Code - Control Module Communication High Speed Extension CAN Bus 2 Off
Quick Answer
The U007C diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates a problem with the Control Module Communication High Speed Extension CAN Bus 2. Common causes include Faulty Control Module: A malfunctioning control module can disrupt communication on the CAN Bus 2, Wiring Issues: Damaged or corroded wiring connections can interrupt the communication between modules, Faulty CAN Bus 2: A problem with the actual CAN Bus 2 network can cause communication issues. 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 2016 GMC Sierra indicates Control Module Communication High Speed Extension CAN Bus 2 Off.
- Common causes
- Common causes include Faulty Control Module: A malfunctioning control module can disrupt communication on the CAN Bus 2, Wiring Issues: Damaged or corroded wiring connections can interrupt the communication between modules, Faulty CAN Bus 2: A problem with the actual CAN Bus 2 network can cause communication issues.
- 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 U007C 2016 GMC Sierra Description
The U007C diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates a problem with the Control Module Communication High Speed Extension CAN Bus 2. This code specifically relates to a communication issue between the various control modules in the vehicle, which are responsible for managing and coordinating different systems and functions. The CAN (Controller Area Network) bus is a network that allows these modules to communicate with each other, sharing information and commands to ensure the proper operation of the vehicle.
Common Causes of U007C 2016 GMC Sierra
- Faulty Control Module: A malfunctioning control module can disrupt communication on the CAN Bus 2.
- Wiring Issues: Damaged or corroded wiring connections can interrupt the communication between modules.
- Faulty CAN Bus 2: A problem with the actual CAN Bus 2 network can cause communication issues.
- Software Glitch: A software glitch or programming error within the control modules can lead to this code being triggered.
- Electrical Interference: External factors such as electromagnetic interference can disrupt the communication on the CAN Bus 2.
Symptoms of U007C 2016 GMC Sierra
- Check Engine Light: The most common symptom associated with this code is the illumination of the check engine light on the dashboard.
- Loss of Power: The vehicle may experience a loss of power or performance due to the disrupted communication between modules.
- Erratic Behavior: The vehicle may exhibit erratic behavior, such as stalling, hesitation, or rough idling.
- Transmission Issues: Problems with shifting or transmission performance may occur as a result of the communication disruption.
- Electrical Malfunctions: Various electrical components in the vehicle may not function properly, such as the power windows, radio, or climate control.
How to Fix U007C 2016 GMC Sierra
- Diagnose the Issue: Use a diagnostic scanner to retrieve the specific trouble code and identify the exact cause of the communication problem.
- Inspect Wiring: Thoroughly inspect the wiring connections related to the CAN Bus 2 for any damage or corrosion. Repair or replace as necessary.
- Check Control Modules: Test the control modules involved in the communication issue to determine if any are faulty or need to be reprogrammed.
- Reset Modules: Reset the control modules and clear the trouble code to see if the communication issue is resolved.
- Perform a Test Drive: Take the vehicle for a test drive to ensure that the communication between modules is functioning properly and that the symptoms have been resolved.
Cost to Fix U007C 2016 GMC Sierra
The typical repair costs for addressing a U007C code on a 2016 GMC Sierra can vary depending on the exact cause of the issue and the necessary repairs. On average, the cost of parts and labor for this repair can range from $200 to $500. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to check with local shops for a more accurate estimate. Auto repair shops commonly charge between $80 and $150 per hour for labor, with rates potentially higher in metropolitan areas or at dealerships, while independent shops may offer lower rates.
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Frequently Asked Questions about U007C 2016 GMC Sierra Code
1. What are common symptoms of OBDII code U007C in a 2016 GMC Sierra?
- Common symptoms include issues with the vehicle's communication systems, such as intermittent or complete loss of communication with various control modules.
2. What does the OBDII code U007C for a 2016 GMC Sierra indicate?
- The code U007C indicates a problem with the Control Module Communication High Speed Extension CAN Bus 2 Off in the vehicle.
3. What are possible causes of OBDII code U007C in a 2016 GMC Sierra?
- Possible causes include damaged wiring, loose connections, faulty control modules, or issues with the CAN bus communication network within the vehicle.
4. How can I diagnose the OBDII code U007C in my 2016 GMC Sierra?
- Diagnosis typically involves checking for loose or damaged wiring, inspecting control modules for faults, and testing the CAN bus network for communication issues using a diagnostic scanner.
5. What are the repair options for OBDII code U007C in a 2016 GMC Sierra?
- Repair options may include repairing or replacing damaged wiring, ensuring secure connections, replacing faulty control modules, and addressing any issues with the CAN bus network.
6. Can I drive my 2016 GMC Sierra with OBDII code U007C?
- It is not recommended to drive the vehicle with unresolved U007C code issues, as it may lead to further communication problems and potential safety hazards.
7. How much does it typically cost to repair OBDII code U007C in a 2016 GMC Sierra?
- The cost of repair can vary depending on the exact cause of the issue, but it may range from a simple wiring repair cost to the replacement of control modules, resulting in a higher repair bill.
8. Are there any DIY tips for addressing OBDII code U007C in a 2016 GMC Sierra?
- DIY tips may include checking and securing wiring connections, visually inspecting control modules for damage, and resetting the code using a diagnostic scanner after potential repairs.
9. How urgent is it to address OBDII code U007C in a 2016 GMC Sierra?
- It is recommended to address the U007C code promptly to prevent further communication problems and ensure the vehicle's systems are functioning properly.
10. Can a mechanic easily resolve OBDII code U007C in a 2016 GMC Sierra?
- A qualified mechanic with experience in diagnosing and repairing communication system issues should be able to efficiently resolve the U007C code in a 2016 GMC Sierra.
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