• Warning lights on the dashboard
• Intermittent vehicle performance issues
• Failure of certain electronic features
• Faulty wiring or connectors
• Malfunctioning control module
• Network interference or short circuit
CAN: Controller Area Network, a vehicle bus standard designed to allow microcontrollers and devices to communicate with each other.
OBD-II: On-Board Diagnostics, a standardized system for self-diagnostics and reporting in vehicles.
• U0100
• U0140
This code means that a part of your car's computer system isn't talking to another part like it should. Imagine if your phone couldn't send a message to your friend's phone.
U3512 is a communication error within the vehicle's network system.
The U3512 code indicates a communication malfunction between control modules in the vehicle's Controller Area Network (CAN). This can affect data exchange necessary for various vehicle operations.
• Use an OBD-II scanner to confirm the code
• Inspect wiring and connectors for damage
• Test the functionality of the involved control modules
• Repair or replace damaged wiring
• Replace faulty control module
• Clear the code and test the system
• OBD-II scanner
• Multimeter
• Screwdriver set
$150 - $500
Moderate
• Ford Focus
• Chevrolet Malibu
• Toyota Camry
• Regular vehicle maintenance
• Check electrical connections periodically
• Avoid aftermarket electronics that can interfere with the network
Network Communication Issue
• Ensure regular maintenance checks
• Consult a professional mechanic for diagnosis
• Avoid DIY repairs unless experienced
Check with the vehicle manufacturer for warranty coverage on electrical components.
This code has become more common with the increased complexity of vehicle electronic systems.
Moderate – It should be addressed soon to prevent further issues.
Driving with unresolved communication errors can lead to safety risks. Always address such issues promptly.
• Vehicle parked with engine off
• All electronic devices in the vehicle turned off
The control modules are typically located under the dashboard or in the engine compartment.
Q: Can I drive my car with a U3512 code?
A: It's not recommended as it may lead to other issues. Get it checked soon.
Q: Will the U3512 code clear itself?
A: The code might clear temporarily, but the issue should be fixed to prevent it from returning.