The contact owned a 2022 Nissan Leaf. The contact stated that while his wife was driving at an undisclosed speed, the brake pedal was depressed but failed to work properly causing her to crash into the vehicle in front. No warning lights were illuminated. The contact stated there was a minor scratch on the front bumper. No injuries were sustained. No police report was filed. The manufacturer was made aware of the failure and sent an engineer to the dealer to diagnose the vehicle. The vehicle was diagnosed, and the contact was advised that braking did occur during the impact via the black box. The contact sold the vehicle back to the dealer. The failure mileage was 24,795.