car switches into a kind of over revving and hardly driving?

The first thing I would do is change the transmission fluid, here is a guide to help and instructions for your car in the images below:

https://www.2carpros.com/articles/how-to-check-and-add-transmission-fluid

and

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

let's run the codes as well to see if anything comes up.

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

Check out the images (below). Please let us know what happens.