U18BF 2017 Chevrolet Silverado Code - Secondary High Speed CAN Bus Subnet Configuration List
Quick Answer
The devices on the high-speed General Motor Local Area Network (GMLAN) serial data bus and the chassis high-speed GMLAN serial data bus must be programmed with software that specifically identifies the correct type and quantity of devices on the bus based on RPO configuration. Common causes include Faulty Module that is not configured, Module harness is open or shorted, Module circuit poor electrical connection. 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
- U18BF 2017 Chevrolet Silverado indicates Secondary High Speed CAN Bus Subnet Configuration List.
- Common causes
- Common causes include Faulty Module that is not configured, Module harness is open or shorted, Module circuit poor electrical connection.
- 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 U18BF 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC U18BF 2017 Chevrolet Silverado?
- Faulty Module that is not configured
- Module harness is open or shorted
- Module circuit poor electrical connection
How to Fix the DTC U18BF 2017 Chevrolet Silverado?
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 U18BF 2017 Chevrolet Silverado 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 U18BF 2017 Chevrolet Silverado code?
Need more information on how to fix the U18BF 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals
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Frequently Asked Questions about U18BF 2017 Chevrolet Silverado Code
1. What is the OBDII code U18BF on a 2017 Chevrolet Silverado related to?
The U18BF code on a 2017 Chevrolet Silverado is related to the Secondary High Speed CAN Bus Subnet Configuration List.
2. What are common symptoms of the U18BF OBDII code on a 2017 Chevrolet Silverado?
Common symptoms of the U18BF code may include issues with the vehicle's communication network, such as intermittent or complete loss of communication with other modules.
3. What are possible causes of the U18BF code on a 2017 Chevrolet Silverado?
Possible causes of the U18BF code include faulty wiring or connections in the high-speed CAN bus network, issues with the network configuration, or problems with the control modules communicating on the network.
4. How can I diagnose the U18BF OBDII code on my 2017 Chevrolet Silverado?
Diagnosing the U18BF code typically involves using a diagnostic scan tool to check for codes, inspecting the wiring and connections in the high-speed CAN bus network, and testing the communication between control modules.
5. What are some repair tips for resolving the U18BF code on a 2017 Chevrolet Silverado?
Repair tips for the U18BF code may include checking and repairing any damaged wiring or connections in the high-speed CAN bus network, reconfiguring the network settings if needed, and ensuring proper communication between control modules.
6. Can I drive my 2017 Chevrolet Silverado with the U18BF OBDII code present?
It is not recommended to drive your vehicle with the U18BF code present, as it may indicate underlying issues with the vehicle's communication network that could affect its performance and safety.
7. How serious is the U18BF OBDII code on a 2017 Chevrolet Silverado?
The seriousness of the U18BF code depends on the root cause. While it may not always cause immediate drivability issues, it is important to address the underlying problem to prevent potential communication failures between critical vehicle systems.
8. Are there any recalls or technical service bulletins related to the U18BF OBDII code on a 2017 Chevrolet Silverado?
It is recommended to check with your local dealership or the manufacturer's website for any recalls or technical service bulletins related to the U18BF code on your 2017 Chevrolet Silverado.
9. Can a DIY enthusiast fix the U18BF OBDII code on a 2017 Chevrolet Silverado?
Depending on your skill level and access to tools, a DIY enthusiast may be able to address the U18BF code by checking wiring and connections, but more complex issues with the high-speed CAN bus network may require professional diagnosis and repair.
10. How much does it typically cost to repair the U18BF OBDII code on a 2017 Chevrolet Silverado?
The cost of repairing the U18BF code can vary depending on the underlying cause. Simple fixes like repairing a loose connection may be inexpensive, while more complex issues with the high-speed CAN bus network or control modules may require more extensive diagnostics and repairs, potentially costing more.
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