• Check engine light is on
• Vehicle may not start
• Malfunction of certain vehicle systems
• Faulty control module
• Wiring issues
• Faulty CAN bus
CAN bus: A robust vehicle bus standard designed to allow microcontrollers and devices to communicate with each other in applications without a host computer.
Control Module: An electronic device in a vehicle that controls a specific function, such as engine management or transmission.
• U0100
• U0140
This code means that one of the car's computers is having trouble talking to another computer. It's like when two friends are trying to talk, but one can't hear the other.
This code indicates a communication error between control modules.
The U0617 code is a network communication error code that signifies a loss of communication between the primary control module and one or more of the secondary control modules in the vehicle. This can be due to issues with the CAN (Controller Area Network) bus, wiring, or the modules themselves.
• Check for other error codes
• Inspect wiring and connections
• Test communication on the CAN bus
• Repair or replace faulty wiring
• Replace faulty control module
• Reprogram control modules
• OBD-II scanner
• Multimeter
• CAN bus diagnostic tool
$100 - $1000
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regular vehicle maintenance
• Ensure all software updates are applied
• Inspect wiring regularly
Communication Error
• Consult with a professional mechanic
• Do not ignore the check engine light
• Keep a record of all repairs and diagnostics
Check with your vehicle manufacturer for specific warranty coverage on control modules.
This code has been more frequently reported as vehicles become more reliant on electronic control modules.
Moderate – While the vehicle may still be operable, it is important to address this issue to avoid potential malfunctions.
Ignoring this code may lead to vehicle malfunction, which can be unsafe. Always address check engine lights promptly.
• Vehicle ignition on
• All modules powered
The control modules are typically located throughout the vehicle, often under the dashboard, in the engine bay, or near the trunk.
Q: Can I drive my car with a U0617 code?
A: While the car may still drive, it's best to get it checked as soon as possible to avoid potential problems.
Q: What happens if I ignore this code?
A: Ignoring this code can lead to further communication issues, potentially affecting vehicle performance and safety.
