The contact owns a 2018 Ram 2500. The contact stated that while driving at an undisclosed speed, the ABS warning illuminated the instrument panel. The vehicle was taken to the dealer, who diagnosed a failure with the hydraulic control unit (HCU). The vehicle was not repaired. The dealer was aware of NHTSA Campaign Number: 24V896000 (Service Brakes, Hydraulic); and confirmed that the VIN was included, but parts were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not notified of the failure. The failure mileage was 30,000. VIN tool confirms parts not available.