2019 RAM PROMASTER Power Trainautomatic Transmission Problems

The subject vehicle, according to the third party administrator for the vehicle's insurance co. had a transmission malfunction. The vehicle is owned by a subcontractor for the purpose of delivery for a seller. The vehicle, according to the TPA, was put in park and the emergency brake was applied, as shown by the interior video camera, and the vehicle went in reverse while the employee was in the back of the van, getting the order ready to deliver. The vehicle travelled in reverse approximately 90 feet down a 40 degree grade, making a left turn into my yard, and slammed into my side porch, making a very loud noise as if there was an explosion. I was sitting approximately 30 feet away in my back yard, and several children were playing in the yard across the road from the accident location. If the vehicle had travelled several more feet down...