The contact owns a 2020 Ford F-150. The contact stated that the vehicle was parked due to an unknown electrical door lock malfunction. Additionally, the contact stated that the vehicle would inadvertently roll forward while stopped without input from the driver. The contact depressed the brake pedal to stop the vehicle. The contact stated that the failure recurred while the vehicle was stopped and the gear shifter was in park(P). The contact stated that after exiting the vehicle, the vehicle rolled forward, struck, and ran over a passenger before coming to a stop. The passenger suffered head injuries and sought medical attention. A police report was not filed. The vehicle was taken to an independent mechanic and diagnosed with a defective gear shift indicator. The contact was informed that the gear shift indicator needed to be replaced. The contact was unsure if the vehicle was repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 25,000.