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 contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated that the traction control, parking brake light, and brake light were all illuminated. The contact stated that the air bag control unit was replaced under warranty; however, a month later the air bag warning light was illuminated again. The dealer was contacted. The manufacturer was made aware of the issue. The failure mileage was 50,000. VIN tool confirms parts not available.