• Warning lights on the dashboard
• Intermittent vehicle operation
• Failure of certain electronic systems
• Faulty wiring or connectors
• Malfunctioning control module
• Software issue in the control module
ECM: Engine Control Module
TCM: Transmission Control Module
• U0100
• U0140
This code means that the car's computer is having trouble talking to one of the parts in the car. It's like when your phone can't connect to the internet.
U3505 indicates a communication error between the vehicle's control modules.
The U3505 code is triggered when there is a loss of communication or a malfunction in the communication network between the vehicle's control modules, such as the Engine Control Module (ECM), Transmission Control Module (TCM), or other body control modules.
• Check for other related codes
• Inspect wiring and connectors for damage
• Test communication signals between modules
• Repair or replace damaged wiring
• Reprogram or replace faulty control module
• Ensure all connectors are securely connected
• OBD-II scanner
• Multimeter
• Diagnostic software
$100 - $500
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect wiring and connectors
• Keep software updated
• Avoid moisture exposure to electronic components
Communication Error
• Do not ignore warning lights
• Schedule regular maintenance checks
Check with your vehicle manufacturer for warranty coverage on electronic components.
Communication error codes like U3505 have become more common with the increase in electronic control modules in modern vehicles.
Moderate – It's important to address this issue to avoid potential failures in vehicle systems.
Driving with unresolved communication errors may lead to unexpected vehicle behavior, which could be unsafe.
• Vehicle ignition on
• All electronic systems activated
The control modules are typically located under the dashboard or in the engine bay.
Q: Can I drive with a U3505 code?
A: It's possible to drive, but it's not recommended as it may lead to further issues.
Q: How do I clear a U3505 code?
A: You can clear the code with an OBD-II scanner after addressing the underlying issue.
