The contact owns a 2020 Ford F-450. The contact stated that while driving 60 MPH, there was an abnormal knocking sound coming from the vehicle, with the ‘Reduced Engine Power’ message displayed on the instrument panel. The contact pulled over to the shoulder of the highway, and the vehicle shut off. The contact stated that the vehicle failed to restart after several attempts. Due to the failure, the vehicle was towed to a dealer where a diagnostic test was performed, and it was determined that the high-pressure fuel pump had failed. The contact was informed that the entire fuel system needed to be replaced. The contact then received notification of NHTSA Campaign Number: 24V957000 (Fuel System, Diesel); however, the part to do the recall repair was not yet available. The local dealer was made aware of the issue and informed the contact that the remedy for the recall was a software update. The contact was informed that due to the fuel pump failure, the vehicle was no longer qualified for the recall repair. The dealer referred the contact to the manufacturer who offered to cover 50% of the cost for the repair. The contact stated that the recall repair was not a permanent repair and that the recall remedy failed to adequately address the failure. The vehicle was not repaired and remained in the possession of the dealer. The failure mileage was approximately 40,000. VIN tool confirms parts not available.