Transmission stuck in second gear?

We need to run the codes before we begin to confirm that the input shaft speed sensor has gone out.

Here is a guide to help us:

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

Here is the location of the sensor so you can check it out. Check out the images (below). Please upload pictures or videos in your response to the problem so we can see what's going on.