• Cruise control not working
• Warning light on dashboard
• Intermittent cruise control operation
• Faulty cruise control module
• Open or short in the wiring harness
• Poor electrical connection
OBD-II: On-Board Diagnostics, Second Generation
DTC: Diagnostic Trouble Code
• U0100
• U0140
This code means that your car's computer is having trouble talking to the cruise control system. It's like when two friends can't hear each other on the phone.
The U0125 code indicates a loss of communication with the cruise control module.
U0125 is a diagnostic trouble code (DTC) indicating that the vehicle's primary control module has lost communication with the cruise control module. This can be due to a failure in the data bus network or a malfunction in the cruise control module itself.
• Check for other related codes.
• Inspect the wiring and connectors to the cruise control module.
• Test the cruise control module for proper operation.
• Repair or replace damaged wiring.
• Ensure all connectors are secure and clean.
• Replace the cruise control module if faulty.
• OBD-II scanner
• Multimeter
• Wiring diagram
$100 - $500
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect wiring and connectors.
• Avoid moisture exposure to electrical components.
• Perform routine vehicle diagnostics.
Communication Error
• Do not use cruise control until the issue is resolved.
• Consult a professional mechanic for diagnosis and repair.
Check with your vehicle manufacturer for warranty coverage on electrical components.
Communication errors like U0125 have become more common as vehicles have become more reliant on complex electronic systems.
Moderate – While not immediately critical, it should be addressed to restore cruise control functionality.
Driving without a functioning cruise control system may affect long-distance driving comfort but does not pose an immediate safety risk.
• Vehicle ignition in the ON position.
• Cruise control system engaged.
The cruise control module is typically located under the dashboard or near the steering column.
Q: Can I drive my car with a U0125 code?
A: Yes, but the cruise control system may not work properly.
Q: Is it expensive to fix a U0125 code?
A: Repair costs can vary, but they typically range from $100 to $500.
