Volkswagen Golf Seventh Generation (2013-2020) airbag light on how to fix it

Solution

1. Preparation

• Gather tools and parts. Ensure the vehicle is parked on a level surface.
• Disconnect the negative terminal of the battery and allow the vehicle to sit for at least 10 minutes to ensure airbag system discharge.

2. Retrieve and Clear Error Codes

• Use the OBD-II scanner to retrieve error codes from the airbag control module.
• Document any codes for reference.
• Clear the codes to see if they return after the repair.

3. Inspect and Repair Wiring

• Inspect the wiring harness connected to the airbag control module for any frayed wires or corrosion.
• Repair any damaged wiring using solder or heat-shrink connectors as needed.
• Ensure all connectors are securely fastened.

4. Check and Replace Sensors

• Inspect the seatbelt pretensioners and side airbag sensors for proper operation.
• If any sensors are faulty, replace them with OEM (Original Equipment Manufacturer) parts.
• Reconnect all connectors securely after replacement.

5. Reconnect Battery and Test

• Reconnect the negative battery terminal.
• Turn on the ignition and check if the airbag light remains illuminated.
• Perform a test drive and monitor the airbag system functionality.