Got this error message no vehicle power found check connector for power check fuse. After some digging around I found that it was the serial cable that goes into the HP tuners interface unit, seems even when the screws are tight the plug can back out a bit bit over time just enough to cause a intermittent connection.

Has any one else noticed this? I just pushed it in and it worked fine, not a big deal, just make sure they are fully seated before programming!!