The contact owns a 2024 Honda Pilot. The contact stated while driving approximately 5 MPH in a drive-through and depressing the brake pedal, the brake pedal was stiff and the vehicle failed to respond on two occasions, and rear-ended the same vehicle twice. The contact stated that both vehicles sustained scratches. The air bags did not deploy. There was no injury sustained. No police report was filed. The contact was able to drive to the residence. The vehicle was taken to the dealer, where the recall inspection for NHTSA Campaign Number: 25V391000(Service Brakes, Hydraulic) was performed, and the dealer informed the contact that the vehicle had passed the inspection. The manufacturer was notified of the failure and sent an engineer, who inspected the vehicle and informed the contact that no failure was found. The vehicle was not diagnosed or repaired. The failure mileage was approximately 25,000.