• ABS warning light on
• Traction control light on
• Inaccurate speedometer readings
• Faulty wheel speed sensor
• Damaged wiring or connectors
• Faulty ABS control module
ABS: Anti-lock Braking System
OBD-II: On-Board Diagnostics II
• C0035
• C0040
This code means there's a problem with the car's wheel speed sensor. It's like when one of the sensors on your bike that tells you how fast you're going isn't working right.
C0084 is an OBD-II code indicating a malfunction in the wheel speed sensor circuit.
The C0084 code is triggered when the vehicle's control module detects a fault in the wheel speed sensor circuit, which is responsible for monitoring the rotational speed of the wheels.
• Inspect the wheel speed sensor and wiring for damage.
• Check the sensor's electrical connections.
• Use a diagnostic scanner to read the sensor's data.
• 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 Silverado
• Ford F-150
• Toyota Camry
• Regularly inspect wheel speed sensors.
• Avoid driving through deep water.
• Keep the vehicle's undercarriage clean.
Sensor Issue
• Have the vehicle inspected by a professional.
• Avoid hard braking until the issue is resolved.
Wheel speed sensors may be covered under the vehicle's powertrain warranty.
The C0084 code has been a common issue in vehicles with ABS systems since the early 2000s.
Moderate – It affects safety systems like ABS and traction control.
Driving with a malfunctioning ABS system can increase stopping distances and affect vehicle stability.
• Drive the vehicle at a moderate speed.
• Perform a diagnostic scan in a safe environment.
The wheel speed sensor is typically located near the wheel hub assembly.
Q: Can I drive with a C0084 code?
A: It's not recommended, as it can affect your vehicle's braking performance.
Q: How do I reset the ABS light?
A: Fix the underlying issue and use an OBD-II scanner to clear the code.
