This bulletin applies to 2019-2024 Audi A6, A7 and A8 vehicles. Messages displayed in the instrument cluster may include air suspension: system fault or shock absorber system/suspension.
DTCs may include internal malfunction codes such as B200FF0, B200FF1, B200FF3, B200FF4 and B200FF5, logged as static in the suspension control unit.
1. Unplug the diagnostic connector from the vehicle.
2. Switch off the ignition.
3. Lock the vehicle doors (doors, hood and rear lid closed).
4. Wait until the vehicle has entered bus sleep mode.
5. Unlock the vehicle.
6. Plug the diagnostic connector into the vehicle.
7. Switch the ignition to the on position.
8. Attempt to erase the DTCs.
If the DTCs erase, you’re done. If they are still present, follow the instructions in Guided Fault Finding.