• Warning lights on the dashboard
• Loss of certain vehicle functions
• Intermittent performance issues
• Faulty control module
• Damaged wiring or connectors
• Software issue in the vehicle's computer
Control Module: An electronic device that manages specific functions in a vehicle.
Communication Bus: A network system that allows different parts of the vehicle to communicate with each other.
• U0100
• U0155
This code means your car's computer is having trouble talking to one of the parts. It's like when your phone can't connect to Wi-Fi.
U0573 indicates a communication error between the vehicle's control modules.
The U0573 code is a network communication error, specifically indicating that one of the vehicle's control modules is not receiving or sending data correctly to other modules on the vehicle's communication bus.
• Check for other related error codes
• Inspect wiring and connectors for damage
• Test the communication bus with a diagnostic tool
• Repair or replace damaged wiring or connectors
• Reflash or update the control module software
• Replace the faulty control module
• OBD-II scanner
• Multimeter
• Diagnostic software
$100 - $1000, depending on the specific issue
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect wiring for damage
• Keep software updated
• Avoid aftermarket modifications that affect the vehicle's communication system
Communication Error
• Have a professional diagnose the issue
• Avoid driving if critical functions are affected
Check with your manufacturer; communication issues may be covered under powertrain or emissions warranty.
Communication errors have become more common as vehicles have become more reliant on electronic control modules.
Moderate – Address the issue soon to prevent further complications.
Ignoring communication errors can lead to safety risks if critical systems fail.
• Vehicle in 'On' position
• All modules powered
The control modules are typically located throughout the vehicle, including under the dashboard and in the engine bay.
Q: Can I drive with a U0573 code?
A: It's best to have it checked as soon as possible, especially if critical systems are affected.
Q: Will disconnecting the battery reset the code?
A: Disconnecting the battery might temporarily clear the code, but it won't fix the underlying issue.
