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Thread: Is there a way to change tire size in 2018 gm truck in the scanner without credits?

  1. 03-28-2020 #1
    Garyg
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    Is there a way to change tire size in 2018 gm truck in the scanner without credits?

    Got a 2018 truck that just wants the speedo to read right. Is there something I?m missing to do it in the scanner?
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  2. 03-28-2020 #2
    Ben Charles
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    Have to read ECM and license to make that change

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  3. 03-28-2020 #3
    Garyg
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    Ok, thank you sir.
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