how to fix B0081 code in Volvo XC60 First Generation (2008-2017)

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the vehicle battery and wait for at least 10 minutes to ensure the airbag system is deactivated.

2. Inspect and Repair Wiring

• Tools Required: Multimeter, wire strippers, soldering iron, heat shrink tubing
• Inspect the wiring harness leading to the driver's side airbag and seat belt tensioner for frays or breaks.
• Use a multimeter to test for continuity in the wiring.
• If damaged, repair the wiring by splicing in new wire sections, ensuring secure connections with solder and heat shrink tubing.

3. Replace Airbag Module (if necessary)

• Tools Required: Socket set, torque wrench
• If the airbag module is confirmed faulty, remove it by:
  1. Unplugging the connector from the airbag module.
  2. Removing the mounting bolts securing the module using a socket set.
  3. Installing the new airbag module in reverse order and torque the bolts to the manufacturer's specifications (usually around 10-15 Nm).

4. Clear Codes and Test

• Reconnect the vehicle battery.
• Use the OBD-II scanner to clear the B0081 code.
• Perform a diagnostic scan to ensure no codes are present.