how to fix C0031 code on my Volvo XC60 Second Generation (2018-2024)

Solution

1. Preparation

• Gather tools and parts required for the repair.
• Ensure the vehicle is parked on a level surface and the ignition is off.
• Disconnect the battery to prevent electrical issues.

2. Inspect and Clean

• Remove the left front wheel.
• Inspect the tone ring for debris or damage; clean or replace if necessary.
• Check the wheel speed sensor mounting location for dirt or corrosion and clean as needed.

3. Replace Wheel Speed Sensor

• Locate the left front wheel speed sensor. It is typically mounted on the wheel hub assembly.
• Disconnect the wiring connector from the sensor.
• Remove the sensor from the hub using a socket set. Note the torque specifications for reinstallation.
• Install the new wheel speed sensor in the reverse order of removal, ensuring it is seated properly.
• Reconnect the wiring harness to the new sensor.

4. Reassemble and Test

• Reinstall the left front wheel and tighten lug nuts to the manufacturer's specifications.
• Reconnect the battery.
• Start the vehicle and check for any warning lights on the dashboard.