Purchased mpvi2 because i seen hp now supports Nissan ecu tuning. turns out 04-05 cant be tuned with HP because some Nissan models are not CAN based pcms? This is the first i have heard this before. i am used to uprev, and i can tune them with that software so this doesn't make sense to me. im going to keep my mpvi2 in hopes future support will be added. has anyone came across this? and can anyone explain why HP wont work on a non can baised ecu's? thanks