• Check Engine Light is on
• Vehicle may not start
• Loss of communication with certain vehicle functions
• Faulty control module
• Damaged wiring or connectors
• Issues with the CAN bus network
CAN bus: Controller Area Network, a vehicle bus standard designed to allow microcontrollers and devices to communicate with each other.
Control Module: An electronic device that controls a specific function of the vehicle.
• U0100
• U0140
This code means that your car's computer is having trouble talking to one of the parts. It's like when your phone can't connect to the internet.
U0593 indicates a communication issue between the vehicle's control modules.
The U0593 code is a network communication code that signifies a failure in the communication between the various control modules in the vehicle. This could be due to a faulty module, wiring issues, or a problem with the CAN bus network.
• Use a scan tool to check for other related codes.
• Inspect wiring and connectors for damage.
• Test the CAN bus network for continuity and resistance.
• Replace or repair faulty wiring or connectors.
• Replace the faulty control module.
• Reprogram or update the control module software.
• OBD-II scan tool
• Multimeter
• CAN bus tester
$150 - $600
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly check and maintain wiring and connectors.
• Keep software and firmware updated.
• Avoid moisture exposure to electronic components.
Communication Error
• Have a professional diagnose the issue.
• Do not ignore the Check Engine Light.
• Keep a record of any repairs and codes.
Check with the vehicle manufacturer for warranty coverage on control modules.
U0593 has been reported in vehicles with complex electronic systems where communication between modules is crucial.
Moderate – It is recommended to address this issue soon to prevent further complications.
Driving with a communication error may affect vehicle performance and safety. Address the issue promptly.
• Vehicle at operating temperature
• All electrical systems on
The control modules are typically located throughout the vehicle, including under the dashboard and in the engine compartment.
Q: Can I drive with a U0593 code?
A: It's best to have the issue checked as it may affect vehicle performance.
Q: What happens if I ignore this code?
A: Ignoring it could lead to more severe communication problems and affect vehicle functionality.
