• Warning light on the dashboard
• Malfunction of certain vehicle systems
• Intermittent electrical issues
• Faulty wiring or connectors
• Defective control module
• Interference in the CAN bus network
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 component that controls various functions of the vehicle.
• U0100
• U0121
This code means that a part of the car's computer system is having trouble talking to another part. It's like when two friends are trying to talk, but one can't hear the other.
A communication error between two modules in the vehicle's network.
U3571 indicates a communication fault between specific control modules on the vehicle's CAN bus network. This could be due to a break in the wiring, a faulty module, or interference in the network.
• Check for other related codes
• Inspect wiring and connectors
• Test communication between modules
• Repair or replace damaged wiring
• Replace faulty control module
• Ensure proper grounding and shielding of wires
• OBD-II scanner
• Multimeter
• Wire repair kit
$100 - $500
Moderate
• Vehicle 1
• Vehicle 2
• Vehicle 3
• Regularly inspect vehicle wiring
• Avoid aftermarket electronic modifications
• Keep software updated
Communication Error
• Have the vehicle inspected by a professional
• Avoid DIY repairs unless experienced
• Monitor for any new symptoms
Check with your vehicle's manufacturer for warranty coverage on electronic components.
This code has been associated with communication issues in modern vehicles with complex electronic systems.
Moderate – It may not immediately affect drivability but should be addressed to prevent further issues.
Driving with unresolved communication errors can lead to unexpected vehicle behavior. Address promptly.
• Vehicle in ignition ON position
• Modules powered and active
The specific modules are located throughout the vehicle, often under the dashboard or in the engine bay.
Q: Can I drive with a U3571 code?
A: While you may be able to drive, it's best to have it checked as it can affect vehicle systems.
Q: Will clearing the code fix the problem?
A: Clearing the code may temporarily remove the warning, but the underlying issue needs to be fixed.
