Quote Originally Posted by GMPX View Post
In the latest software I have in my TechII (updated Nov 2008) there is no option to check programming history for the LBZ (or earlier).
Quote Originally Posted by RayMich View Post
I believe they are talking about detecting the current cals on an LLY and LBZ.

So, if you haven't re-flashed back to stock with a legal CVN before you take it in, you are screwed...
Quote Originally Posted by GTPprix View Post
Thats not enough, they hold records of the last I believe 8-10 flashes now, a second ECM is the way to go.
Here we go again.

I wish someone could figure this sht out once and for all!! This is the second or third time I have heard this go around.