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Thread: VCM Scanner wont read ecu

  1. #1
    Advanced Tuner
    Join Date
    May 2010
    Posts
    250

    VCM Scanner wont read ecu

    Been using this for a long time never had an issue reading the ecu before but I wanted to read the tune just to get fresh file to work on and the read button wont highlight and turn green. it will let me try to write if I want to .. but it wont read. I press the info button to the right of the write button and it doesn't populate with info.

    Tried restarting windows then hp tuners... wont read MPVI PRO

  2. #2
    Advanced Tuner
    Join Date
    May 2010
    Posts
    250
    user error ...lol.. I was trying to read the ecu with a tune file open