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Thread: V2 VIN license problem

  1. #1

    Default V2 VIN license problem

    I am working with an 02 2.2L 5spd. I licensed the PCM like normal and when I went to flash the PCM I got another message saying it is not licensed. I looked at the V2 license list and it took one of my open license slots? How do I proceed from here?
    Aaron L.
    Conover, NC

  2. #2
    Lifetime Member
    Join Date
    Mar 2006


    Try disconnecting everything, closing the tune file down and then plugging the V2 in again, open the tune file and try to flash. Reboot your laptop if it doesnt work the first time. Ive had it where I get the not licensed message even on my truck that Ive been tuning with the same V2 for 4+ years, just let the reset countdown go and try it again. Always works. Also, check the PCM calibration details and check the serial number of the controller, sometimes EFILive reads it incorrectly and needs to disconnect and reconnect to the controller again to get it right. Rarely happens, but it always flashes after a few mins!
    2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

  3. #3
    EFILive Crew Site Admin Tordne's Avatar
    Join Date
    Oct 2004


    Also check the software and firmware are up to date. Some ECMs return unexpected characters as part of their serial number which the software has to try and deal with.
    EFILive Crew

  4. #4


    Restarting/Rebooting fixed it. I've never seen this happen before but I'll know next time. Thanks everyone for the help.
    Aaron L.
    Conover, NC

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