The contact owned a 2023 RAM 1500. The contact stated while driving at an undisclosed speed, the brake pedal was depressed, however, the vehicle failed to stop as intended. The contact's vehicle rear-rear-ended the vehicle in front of the contact's vehicle. The vehicle was towed to the dealer. The contact was informed of an unknown recall repair with a similar failure description. The dealer confirmed that the VIN was associated with the unknown recall repair and the repair was performed. The vehicle was repaired. The other driver's vehicle was towed to a local tow yard, where it was later condemned for total loss. The police and paramedics were at the scene. The contact did not sustain any injuries. The other driver was treated by paramedics. A police report was filed, however, the information was unavailable. The manufacturer was made aware of the failure. The failure mileage was approximately 17,743.