Originally Posted by Birdiev

Yes.I have as well. Tuned on ECUTEK.I was working on car powered it up (Hit the acc button) with electronic disconnected and computer threw a permanent code.I guess the computer went into some safe mode (racerom file) and I wasn't able to access the maps.Even after fixing permanent code I couldn't cycle maps. Long story short (Mechanic vs tuner) The tuner did a flash and everything began working again.even though there is no check engine light the computer stores the code .have to go in there manually and erase all check engines codes before I could get it to work. That's my experience.