whats bcc

My apologies, still new and learning, but from the different ADX files I'm seeing, Why couldn't, or why isn't their a .txt file with it with a full break down of the vehicle.
Year make model ECM,...

Right, I understand that. But with so many hundreds of engines with different vehicle applications and programming theirs still a baseline parameters set from the factory. yes their are hundreds of...

Good evening all, my apologies for the newb question. But I've been digging pretty deep and haven't had much searching for it, if it exists.
I'm looking for definition files guys have modded, that...