Is it possible to replace the throttle position sensor on a 2008. or does the whole throttle body have to be replaced if it goes bad?

I have a P0123 code Throttle Position Sensor/Accelerator Position Pedal Circuit High Input. It happens intermittently.

 

It is a replaceable sensor on the TB. Not cheap. @$100 on rock auto.

 

Thanks...I did see that, but the diagram doesn't look correct . My Throttle Body looks like
this one : https://www.rockauto.com/en/moreinfo...441239&jsn=415