The contact owns a 2015 Ram 1500. While the contactas father was driving at highway speeds, the check engine and throttle body warning lights illuminated and the vehicle started losing motive power; however, the vehicle failed to properly accelerate. The vehicle was taken to the local parts supply store who diagnosed that the throttle body had failed and needed to be replaced. The vehicle was not repaired. The contact stated that later driving on the freeway and attempting to pass a semi, the vehicle failed to properly accelerate and started shaking and vibrating abnormally. The vehicle was later restarted but only operated in ‘LIMP Modea and failed to accelerate above 40 MPH. The contact stated that had scanner was used to diagnose the vehicle and retrieved information of high-pressure fuel pump failure. The vehicle was not yet repaired. The manufacturer and local dealer were notified of the failure, but no assistance was offered. The contact was informed that the VIN was not included in the NHTSA Campaign Number: 22V406000 (FUEL SYSTEM, DIESEL). The contact stated that the vehicle had experienced the failure listed in the recall. The failure mileage was 149,000.