• ABS warning light on
• Traction control light on
• Inconsistent speedometer readings
• Faulty wheel speed sensor
• Damaged wiring or connectors
• Faulty ABS control module
ABS: Anti-lock Braking System
OBD-II: On-Board Diagnostics, Second Generation
• C0035
• C0040
This code means there's a problem with one of the car's sensors that helps it know how fast each wheel is turning. It's like when your bike's speedometer isn't working right.
C0086 indicates an issue with the wheel speed sensor circuit.
The C0086 code is triggered when the vehicle's control module detects a malfunction in the wheel speed sensor circuit, which is crucial for systems like ABS (Anti-lock Braking System) to function correctly.
• Inspect the wheel speed sensor and its wiring for damage.
• Check the sensor's electrical connections for corrosion or looseness.
• Use a multimeter to test the sensor's resistance and output.
• Replace the faulty wheel speed sensor.
• Repair or replace damaged wiring or connectors.
• Replace the ABS control module if necessary.
• OBD-II scanner
• Multimeter
• Socket set
$100 - $300
Moderate
• Chevrolet Malibu
• Ford Focus
• Toyota Camry
• Regularly inspect wheel speed sensors and wiring.
• Avoid driving through deep water.
• Perform regular maintenance checks.
Sensor Issue
• Do not ignore the ABS warning light.
• Drive cautiously if the ABS system is not functioning.
• Have the vehicle inspected by a professional.
Check with your vehicle manufacturer for specific warranty coverage on ABS components.
C0086 has been a common code since the introduction of electronic ABS systems in vehicles.
Moderate – It affects safety systems like ABS, so it should be addressed promptly.
Driving with a malfunctioning ABS can compromise vehicle safety and may not comply with legal safety standards.
• Vehicle on a flat surface
• Ignition in the 'on' position
The wheel speed sensor is typically located near the wheel hub or brake rotor.
Q: Can I drive with a C0086 code?
A: While you can drive, it's not recommended as it affects safety systems like ABS.
Q: How do I reset the ABS light?
A: Fix the underlying issue first, then use an OBD-II scanner to clear the code.
