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Thread: chevy silverado tire size tune having problems

  1. #1
    Junior Member
    Join Date
    Oct 2017
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    26

    Default chevy silverado tire size tune having problems

    Trying to correct speedometer for bigger tire size everytime i go to the file and enter tire size it gives me a error of efilive/v7.5/configuration/cal_adjust access is denied. Any one have any ideas thanks in advance!

  2. #2
    Joe (Moderator) joecar's Avatar
    Join Date
    Apr 2003
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    28,403

    Default

    Run the tunetool as Administrator (rightclick->Run as Administrator).

    Or, if you know Windows, make yourself the owner of the tunetool executable, and in the tunetool file's properties give yourself all privileges.

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