• Warning light on the dashboard
• Intermittent or complete loss of certain vehicle functions
• Erratic vehicle behavior
• Faulty control module
• Wiring issues or loose connections
• Network communication problems
Module: A component in the vehicle's electronic system that controls specific functions.
Network: The system of interconnected control modules in a vehicle.
• U0100
• U0121
This code means that your car's computer is having trouble talking to one of its parts. It's like when your phone can't connect to the internet.
The U0571 code indicates a communication error between the vehicle's control modules.
U0571 is a network communication code that signifies a loss of communication with a specific control module. This could be due to wiring issues, a faulty module, or a network problem.
• Check for other related codes
• Inspect wiring and connections to the affected module
• Test the module for proper operation
• Repair or replace damaged wiring
• Replace the faulty control module
• Update the vehicle's software if necessary
• OBD-II scanner
• Multimeter
• Diagnostic software
$150 - $500
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect vehicle wiring
• Keep software up to date
• Avoid aftermarket modifications that affect the vehicle's network
Network Communication Issue
• Avoid driving if critical systems are affected
• Consult a professional mechanic for diagnosis
• Do not ignore the warning light
Check with your vehicle manufacturer for warranty coverage on electronic components.
Communication errors like U0571 have become more common with the increasing complexity of vehicle electronics and networks.
Moderate – Address the issue soon to avoid potential safety risks.
Ignoring this code may lead to safety issues if critical systems are affected. Always consult a professional.
• Vehicle ignition on
• All electrical systems operational
The affected module is usually located under the dashboard or in the engine compartment.
Q: Can I drive with a U0571 code?
A: It's best to have it checked as soon as possible, especially if critical systems are affected.
Q: Will disconnecting the battery clear the code?
A: Disconnecting the battery may temporarily clear the code, but it won't fix the underlying issue.
