• Cruise control not working
• Check engine light on
• Intermittent cruise control function
• Faulty cruise control module
• Damaged wiring or connectors
• Faulty network communication bus
OBD-II: On-Board Diagnostics, a standardized system in cars for monitoring and reporting vehicle performance.
Control Module: An electronic device in a vehicle that controls specific functions.
• U0100
• U0140
This code means that one part of the car is having trouble talking to another part. Imagine if your phone couldn't talk to your tablet because of a bad connection.
The U0654 code indicates a communication error between two control modules in the vehicle.
U0654 is a diagnostic trouble code (DTC) that signifies a loss of communication with the cruise control module. This code is set when the data network in the vehicle detects a disruption in the communication pathway between the control modules.
• Inspect the wiring and connectors for damage.
• Check for other related codes.
• Test the cruise control module for proper operation.
• Repair or replace damaged wiring or connectors.
• Replace the cruise control module if faulty.
• Reprogram the control module if necessary.
• OBD-II scanner
• Multimeter
• Wiring diagram
$100 - $500
Moderate
• Toyota Camry
• Ford F-150
• Honda Accord
• Regularly inspect and maintain wiring harnesses.
• Ensure connectors are clean and secure.
• Avoid exposure to moisture and corrosive environments.
Communication Error
• Avoid using cruise control until the issue is resolved.
• Consult with a professional mechanic for diagnosis.
Check with your vehicle manufacturer for warranty coverage on electronic components.
This code has been more prevalent in vehicles with complex electronic systems and is often related to network communication issues.
Moderate – It is important to address this issue to ensure proper vehicle function, but it does not pose an immediate safety risk.
Driving with a malfunctioning cruise control system may not be safe. Ensure repairs are done by a qualified professional.
• Vehicle must be in a safe and controlled environment.
• Ensure all electrical systems are operational.
The cruise control module is typically located behind the dashboard or near the steering column.
Q: Can I still drive my car with code U0654?
A: Yes, but the cruise control system may not work properly.
Q: Will clearing the code fix the problem?
A: Clearing the code may temporarily remove the check engine light, but the underlying issue needs to be fixed to prevent the code from returning.
