Car in limp mode?

The first thing I would do is service the throttle body, here is a guide that can help:

https://www.2carpros.com/articles/throttle-actuator-service

If that doesn't help let's do a CAN scan. You can get a CAN scanner (Controller Area Network) which will work on most cars from Amazon.

Here is a video to show you how:


https://youtu.be/u-4syLc-ifQ


Please go over these guides and get back to us.