The contact owns a 2018 Ram 2500. The contact received notification of NHTSA Campaign Number: 24V896000 (SERVICE BRAKES, HYDRAULIC); however, the part to do the recall repair was unavailable. The local dealer was contacted, and it was confirmed that the part was not yet available. 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 contact stated that while driving approximately 65 MPH and depressing the brake pedal to avoid a crash, the vehicle did not immediately stop and veered to the right. The cause of the failure has not yet been determined. The local dealer was notified of the failure. The failure mileage was 90,000. VIN tool confirms parts not available.