how to fix code B0081 on my Volvo XC60 536 (2017-Present)

Solution

1. Preparation

• Tools Required: OBD-II scanner, multimeter, socket set, torque wrench, wiring harness repair kit.
• Disconnect the vehicle's battery and wait at least 10 minutes before proceeding to avoid accidental airbag deployment.

2. Inspect and Repair Wiring

• Sub-steps:
  • Remove the driver's seat by unbolting it from the floor using the socket set.
  • Lift the seat and inspect the wiring harness underneath for cracks, frays, or disconnections.
  • If damage is found, use the wiring harness repair kit to splice or replace the damaged sections.
  • Ensure that all connectors are securely fastened and free of corrosion.

3. Check Airbag Module

• Sub-steps:
  • Locate the airbag module under the driver's seat.
  • Disconnect the module and inspect the connector for corrosion or bent pins.
  • Clean the connector with electrical contact cleaner if necessary.
  • Reconnect the module ensuring it clicks securely into place.

4. Reassemble and Test

• Sub-steps:
  • Reinstall the driver's seat and torque the bolts to the manufacturer's specifications.
  • Reconnect the vehicle's battery.
  • Use the OBD-II scanner to clear the fault codes.
  • Start the vehicle and check if the airbag warning light has turned off.