Volkswagen Golf MK7 (2015-2019) DPF light on, what does it mean?

Solution

1. Preparation

• Gather necessary tools and parts before starting the repair.
• Ensure the vehicle is parked on a flat surface and the engine is off.
• Disconnect the battery to prevent any electrical issues.

2. Clear DPF Warning Codes

1. Connect the OBD-II scanner to the vehicle's diagnostic port.
2. Navigate to the DPF-related error codes and clear them.
3. Reconnect the battery.

3. Perform DPF Regeneration

1. Start the engine and allow it to reach operating temperature.
2. Drive the vehicle at a steady speed (preferably on the highway) for at least 15-30 minutes to initiate passive regeneration.
3. Monitor the DPF temperature via the scanner to confirm that the regeneration process is occurring.

4. Inspect and Clean the DPF (if required)

1. If the warning light remains after regeneration, remove the DPF from the vehicle.
   • Tools: Socket set, torque wrench, and exhaust hanger removal tool.
2. Use a DPF cleaning solution and follow the manufacturer's instructions to clean the filter.
3. Reinstall the DPF, ensuring all connections are secure and torqued to the manufacturer's specifications.

5. Final Checks

1. Start the engine and monitor for any warning lights.
2. Conduct a test drive to ensure proper operation and performance.