The contact owns a 2018 Ram 3500. The contact stated that while driving 65 MPH, a vehicle abruptly merged in front of him causing him to crash into the rear of that vehicle. The ABS warning light was illuminated. The contact pulled over to the side of the roadway and became aware that the brake pedal was difficult to depress. The vehicle was not taken to a dealer to be diagnosed or repaired; however, the dealer was contacted by phone. The manufacturer was made aware of the failure and informed the contact that there was a freeze on the repair due to parts not being available. The failure mileage was 9,800.