Shut off while driving and will not start

This is most likely due to poor transmission fluid quality or it is low on fluid. So I would suggest just servicing the transmission and then retesting the issue.

Here is a guide that will help with this:

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission

Also, I attached below the process from the manual for your vehicle. Let us know if you have other questions but if this does not work then we are going to have to check for codes.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Lastly here is a guide that will get us started on other possible issues:

https://www.2carpros.com/articles/automatic-transmission-problems

Let's run through all this material and go from there. Thanks