how to fix B0091 code in Volkswagen Golf Seventh Generation (2013-2020)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery terminal to ensure safety.
• Wait at least 15 minutes for the airbag system to discharge.

2. Inspect and Replace the Passenger Airbag Deactivation Switch

• Tools Required: Socket set, screwdriver set, multimeter, electrical cleaner
• Sub-steps:
  1. Remove the trim panel covering the passenger airbag deactivation switch using a screwdriver.
  2. Disconnect the electrical connector from the switch.
  3. Use a multimeter to test the switch for continuity. If it is faulty, proceed to replace it.
  4. Install the new switch by connecting the electrical connector and securing it in place with screws.
  5. Reattach the trim panel.

3. Check Wiring and Connectors

• Tools Required: Electrical cleaner, multimeter
• Sub-steps:
  1. Visually inspect the wiring harness and connectors for any damage or corrosion.
  2. Clean any corroded connectors with electrical cleaner.
  3. Repair or replace any damaged wiring as needed.

4. Reconnect Battery and Test

• Sub-steps:
  1. Reconnect the negative battery terminal.
  2. Turn on the ignition and check for airbag warning lights or indicators.
  3. Verify that the passenger airbag system operates correctly by testing the deactivation switch.