• Check engine light is on
• Malfunction of certain vehicle features
• Intermittent electrical issues
• Faulty module
• Wiring issues
• Faulty CAN bus connection
CAN bus: A vehicle bus standard designed to allow microcontrollers and devices to communicate with each other.
Module: An electronic control unit in the vehicle responsible for specific functions.
• U0100
• U0121
This code means that one of the computers in your car is having trouble talking to another computer. It's like when two friends try to call each other, but the phone line isn't working.
This code indicates a communication error between modules in the vehicle.
U0537 is a network communication code that signifies a lost communication with a specific module in the vehicle's CAN (Controller Area Network) bus system. This could mean that the module is not sending or receiving data as expected.
• Check for any other related codes
• Inspect wiring and connectors for damage
• Test the module for proper operation
• Repair or replace damaged wiring
• Reconnect or replace faulty connectors
• Replace the faulty module
• OBD-II scanner
• Multimeter
• Wiring diagram
$100 - $500
Moderate
• Vehicle 1
• Vehicle 2
• Vehicle 3
• Regularly check and maintain vehicle wiring
• Ensure connectors are secure
• Keep software updated
Communication Error
• If the issue persists, consult a professional mechanic.
• Avoid DIY repairs if you are not familiar with vehicle electronics.
Check your vehicle's warranty for coverage on electronic components.
This code has been consistently associated with communication failures in modern vehicles with complex electronic systems.
Moderate – It may not immediately affect driving but should be addressed to prevent further issues.
Ignoring this code could lead to malfunction of safety-related systems.
• Vehicle in ignition on position
• Modules powered and active
The affected module is usually located within the vehicle's dashboard or engine compartment.
Q: Can I drive with a U0537 code?
A: While you may be able to drive, it's best to have it checked as it could affect important 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 to prevent recurrence.
