Lose Power Steering problems of the 2016 Dodge Journey

While driving my Journey will stall and I lose power steering and brakes with no warning. It also randomly happens when stopping. This has happened while sitting in traffic at a red light and when it turns green my car doesn't move. Had to put it in park and restarted with no issues. This happened when stopping at a stop sign. Had to put it in park and restart. This happened when slowing down to turn left. Lost all power steering and brakes. Almost had a head on collision and rear ended with 2 children in the car. After I got the car to stop I had to put it in park and start. Every time this issue happens I have to put it in park and it starts right back up. I have taken to the dealership twice, same issues and they say nothing is wrong because they are not getting an error code.