Transmission goes into Limp mode after driving thirty feet

This issue could be caused by a number of reasons. However, it could be just a speed sensor but we need to check for codes first and foremost.

Here are guides that help with this as well:

https://www.2carpros.com/articles/reduced-power-limp-mode

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

If you can't get codes, then most parts stores will be able to pull them free of charge. Let's start with this and go from there. Thanks