[88Racing]

From what I understand the pcm's ability to learn can altered by new parameters in the custom tune but now has a new set in which to learn in.
The adaptive learning process needs to be in place for all of our real world situations.
If it was turned off a truck at sea level wouldn't run or operate well in the mountains.
It encompasses a lot of different operations throughout the whole power train. Bill might have a better explination though.