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Thread: will an 04 file work in an 06 truck?

  1. 03-05-2021 #1
    Charlesrichards93
    Charlesrichards93 is offline
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    will an 04 file work in an 06 truck?

    I have an 06 silverado running an 04 pcm but have the 06 tac... can i run an 04 file in it?
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  2. 03-05-2021 #2
    2xLS1
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    No. Will trigger REP.
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  3. 03-06-2021 #3
    kevin87turbot
    kevin87turbot is offline
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    Flash the 04 PCM with the 06 cal file, then it will work.
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