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 manufacturer was made aware of the issue. The contact stated while driving approximately 10 MPH in a parking lot, the brake pedal was depressed; however, there was an abnormal metal-on-metal grinding sound coming from the front brakes. The contact stated that brake failures had occurred at other speeds with the check engine warning light illuminated. The contact had not taken the vehicle to a dealer or independent mechanic. The vehicle was not diagnosed or repaired. The contact related the failure to NHTSA Campaign Number: 24V896000 (Service Brakes, Hydraulic). The failure mileage was approximately 120,000. VIN tool confirms parts not available.