TPS Replacement/Throttle Body Cleaning?

I'm getting ready to replace the throttle position sensor due to a few DTCs that have been triggering on and off recently and am planning to clean the throttle body prior to installing the new sensor. To clean the throttle body, is it recommended to remove it from the engine so that both sides of the butterfly valve can be thoroughly cleaned or should it be left installed and just cleaned as well as possible from the front?

I'm just concerned and wondering if removing/reinstalling the throttle body could potentially create problems with the PCM especially since the throttle position sensor being replaced is OEM and the new one is aftermarket.