The contact owns a 2018 Ram 2500. The contact received notification of NHTSA Campaign Number: 24V896000 (SERVICE BRAKES, HYDRAULIC); however, the parts for the recall repair were not yet available. The contact stated while driving 65 MPH, the brake pedal was depressed but the vehicle failed to stop immediately. The contact used the parking brake to assist in slowing the vehicle before pulling over to the side of the road. The contact stated that the ABS warning light was illuminated. The local dealer was not contacted. The contact stated that the vehicle was diagnosed with brake failure. The vehicle was not repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The failure mileage was approximately 83,000.