The contact owns a 2021 Tesla Model 3. The contact stated while using a self-driving mode at 50 mph, it would not stay in the lane and drive slowly into the next lane. The contact stated on April 9, 2023, while using a self-driving mode at 15 mph, a pedestrian walked into the lane and the vehicle did not detect the person and hit the pedestrian. No air bags deployed. The contact did not sustain any injuries. The pedestrian sustained an unknown fractured leg and a fractured arm and sought medical attention for his injuries. A police report was filed. The vehicle was not drivable. The vehicle was towed to a Tesla collision shop and had the front windshield replaced. The contact took the vehicle to the local dealer but was informed no failure was detected. The vehicle was not repaired and continued to experience the failure. The manufacturer had been informed of the failure. The failure mileage was 48,570.