A while back I bought a clone MDI2 (I know, it's an MDI in a 2 case :D ). Had to return it because of the dreaded Pin 2/VPW no comms problem under T2W that many have had. The replacement MDI 1 works fine on our VPW cars. But what I have found that, again under T2W, on our new(er) GMLAN car, it will ...

Hello all. Tuning newbie here. Looking at PCM Hammer and Tunerpro as an alternative to HPT as my only real uses will be for learning, deleting VATS and CAGS. I have a VXDIAG nano J2534 pass-thru device that I use for my Tech2 tool, and while PCM Hammer detects it and the self-test passes (and proves...