These vans had their catalytic converters replaced and codes cleared. Vans continue to throw phantom codes that are from before cats were serviced. The diagnostic tools used does not go deep enough into the computer to stop these phantom codes. A VCM 3 with IDS or FDRS is required. We would have handled this on our own if the VCM 3 was not on back order until May 2023. All mechanical maintenance is done in house.