i had new cooling fan assem installed . still not working told possible pcm

What is your question?

my cooling fan went out I took my car to a licensed mech. shop. after his diagnosis he recommended new cooling fan assembly which he replaced, Iwas then told it still was not working. he then reccomended i take it to a ford dealer for possible PCM thatonly the dealer can install and code. Imade an appointment with ford dealer but that wont be untill next week. I realize i should not drive it at all but I had to drive it home from shop and i will need to drive it again for very short trips and again to the ford dealer. my question is can i screw up the new cooling fan assembly which is still hooked up by driving it ?