DPF Control – VAG CR Group + DIODEM. S. Group DPF Control Module A device plugged into the vehicle OBD socket that will monitor and inform you about the start and end of the regeneration procedure of the particle filter in your VAG Group car. The device allows you to reduce fuel consumption and extend the life of the DPF due to its proper operation. In addition, the proper operation of the DPF filter protects the engine as well as the turbocharger. The device is supplied with a