Transmission not shifting into overdrive

Hello,

This happens when the turbine sensor goes out. To be sure lets run the codes to see what comes up. here is a guide with the sensor location below:

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

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.