The contact owned a 2018 Ram 2500. The contact stated that while driving in reverse, down a steep boat ramp with the boat and boat trailer attached, the braking system suddenly malfunctioned, causing the boat, boat trailer, and the vehicle to go into the water. The contact had to climb out of the front driver's window and swim to safety. The contact also sustained a minor knee injury that did not require medical treatment. A police report was taken at the scene. A diving crew was called to retrieve the vehicle. During the incident, the vehicle was destroyed. The contact indicated that prior to the incident, the brake warning lights had remained illuminated, and also, previously, while driving, the brakes had failed and nearly caused a rear-end collision. The contact was informed that the remedy for the NHTSA Campaign Number: 24V896000( SERVICE BRAKES, HYDRAULIC) was not available. The manufacturer and local dealer were aware of the issue, but no assistance was offered. The contact indicated that the vehicle had experienced the same failure listed in the recall. The failure mileage was 180,000.