• Check Engine Light is on
• Erratic speedometer readings
• Unusual vehicle speed behavior
• Faulty Vehicle Speed Control Module
• Wiring issues or poor connections
• Software glitch in the ECU
ECU: Engine Control Unit, the main computer in the vehicle.
OBD-II: On-Board Diagnostics, a standardized system for vehicle diagnostics.
• U0401
• U0415
The car's computer is having trouble understanding information from a part of the car that controls the speed of the wheels.
The U0407 code means that the car's computer received data from the Vehicle Speed Control Module that it couldn't understand.
U0407 indicates that there is an issue with the communication between the Vehicle Speed Control Module and the main computer (ECU), resulting in invalid or corrupted data being received.
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for the Vehicle Speed Control Module.
• Check for any software updates for the ECU.
• Repair or replace damaged wiring or connectors.
• Reprogram or update the ECU software.
• Replace the Vehicle Speed Control Module if faulty.
• OBD-II Scanner
• Multimeter
• Screwdriver set
$150 - $500
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly check and maintain vehicle wiring.
• Keep ECU software updated.
• Perform routine diagnostic checks.
Communication Error
• Have the vehicle inspected by a professional mechanic.
• Avoid driving at high speeds until the issue is resolved.
Check if the vehicle is under warranty for electronic components.
This code has been associated with communication errors in vehicles with advanced speed control systems.
Moderate – It should be addressed soon to prevent further issues.
Driving with unresolved communication errors can lead to safety issues.
• Vehicle must be in motion.
• ECU and Vehicle Speed Control Module must be powered.
The Vehicle Speed Control Module is typically located near the engine or in the dashboard.
Q: Can I drive with a U0407 code?
A: It's possible, but not recommended as it can affect vehicle performance and safety.
Q: How do I clear a U0407 code?
A: Fix the underlying issue first, then use an OBD-II scanner to clear the code.
