• ABS warning light on
• Traction control light on
• Inconsistent speedometer readings
• Faulty wheel speed sensor
• Damaged wiring or connectors
• Failed ABS module
ABS: Anti-lock Braking System
OBD-II: On-Board Diagnostics, Second Generation
• C0005
• C0035
This code means there's a problem with one of the car's wheels. It's like when your bike's wheel isn't working right.
C0004 is a chassis code related to a wheel speed sensor issue.
The C0004 code indicates a malfunction in the wheel speed sensor circuit, which is responsible for monitoring the speed of a wheel and sending this information to the vehicle's computer.
• Inspect the wheel speed sensor and wiring for damage.
• Check the sensor's electrical connections.
• Test the ABS module for faults.
• Replace the faulty wheel speed sensor.
• Repair or replace damaged wiring.
• Replace the ABS module if necessary.
• OBD-II scanner
• Multimeter
• Wheel speed sensor socket
$100 - $300
Moderate
• Toyota Camry
• Honda Accord
• Ford Focus
• Regularly inspect wheel sensors.
• Keep wheel areas clean from debris.
• Perform routine vehicle diagnostics.
Sensor Issue
• Have your vehicle inspected by a professional.
• Avoid driving in hazardous conditions until repaired.
Check vehicle warranty for coverage on ABS components.
This code has been associated with vehicles that have high mileage or those frequently driven in harsh conditions.
Moderate – It affects safety features like ABS and traction control.
Driving with a malfunctioning ABS system can be dangerous. Ensure repairs are made promptly.
• Drive the vehicle to check for ABS light activation.
• Perform a diagnostic scan under normal driving conditions.
The wheel speed sensor is located near each wheel, typically mounted on the wheel hub.
Q: Can I drive with a C0004 code?
A: It's possible, but not recommended as it affects safety systems like ABS.
Q: How do I reset the ABS light?
A: Fix the underlying issue and use an OBD-II scanner to clear the code.
