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Thread: Flash custom BIN file with GM Tech 2

  1. #1
    Carb and Points!
    Join Date
    Jun 2016
    Posts
    8

    Flash custom BIN file with GM Tech 2

    I have a Tech 2 clone from china and it's been working quite well as a diagnostic tool. I know these can flash PCM's with stock BIN files from GM to perform updates or for PCM replacement. Word on the street is that you can use a Tech 2 to flash a custom BIN file, but I haven't found much about specifics. Does anyone have any info on this?

  2. #2
    Fuel Injected!
    Join Date
    Jan 2012
    Location
    Poland
    Posts
    147
    You can't really do that, not without a lot of reverse engineering and Tech II protocol hacking. You only can select stock binaries with options using Vehicle Configuration Index (VCI), but no one really knows the VCI codes for that.
    Last edited by dzidaV8; 08-21-2017 at 09:54 PM.

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