PCM = power train control module technically.
If the one you have is still good, no you do not require one, if it is dead, yes you do. Now no dealership is going to do a job like that w/out changing everything for new, why ? because if the pcm goes in the first 100 miles, they have to take everything apart again.
If the one you have is still good, no you do not require one, if it is dead, yes you do. Now no dealership is going to do a job like that w/out changing everything for new, why ? because if the pcm goes in the first 100 miles, they have to take everything apart again.