The contact owns a 2020 Ford F-350. The contact stated that while the transmission was shifted into park(P), the vehicle rolled back and crashed into another vehicle. There were no injuries. A police report was not filed. The vehicle was taken to the dealer; however, the mechanic was unable to duplicate the failure. The contact received notification of NHTSA Campaign Number: 22V256000 (Power Train) however, the part to do the recall repair was not yet available. The manufacturer was made aware of the failure. The approximate failure mileage was 5,000. VIN tool confirms parts not available.