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Thread: Invalid Vin/OS Pair Error message on already tuned PCM

  1. #1
    Tuner in Training
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    Invalid Vin/OS Pair Error message on already tuned PCM

    I've sent an email out as per instructions, but my question is this; the PCM has a wait4me tune already on it. Am I getting this error due to the tune? If so is there anyway to fix it on my end?

  2. #2
    Tuner in Training
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    Also I installed 2.23 Beta and it took the application key, but when I tried to go to 2.22 suite it asks for the application key and says it's invalid. I'm copying and pasting it directly from the email.

  3. #3
    HP Tuners Support
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    Bill@HPTuners's Avatar
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    Having the pcm flashed to a valid vin/os pair via tech 2 & then rereading with our software will usually work.
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"

  4. #4
    Tuner in Training
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    Same Problem

    I too am getting this error. Here is the file. Any help is greatly appreiciated.

  5. #5
    Advanced Tuner Shrek's Avatar
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    The tune you posted has a 2003 VIN and a 2006 OS - you need to change one of these. The VIN (year / vehicle) must have a corresponding OS originally offered in that year, with that vehicle platform.

  6. #6
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    Thanks for the reply, Im guessing the only way to fix this is to find a tech 2 and reflash it? Like mentioned in the above post.

  7. #7
    Tuner in Training
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    Im running into the same exact issue right now i already had it tuned twice once mail order 2nd dyno tuned now i have to find someone who has that scanner

  8. #8
    Advanced Tuner Shrek's Avatar
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    Quote Originally Posted by hicksport View Post
    Thanks for the reply, Im guessing the only way to fix this is to find a tech 2 and reflash it? Like mentioned in the above post.
    You have a couple of options. A full reflash to stock with a Tech 2 / Tech 2 type device - from a GM dealership or tuner who owns a Tech 2 / Tech 2 type device.

    Or, given the VIN OS mis-match, the PCM has already been flashed with non-HPT software. Take it back to where you got it - and have it reflashed with a matching VIN OS combination.