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How Do I Tell If My Ecu Is For A 5 Speed Or Auto?

Discussion in 'General Tech Articles' started by pills_PMD, Mar 1, 2003.

  1. pills_PMD

    pills_PMD Super Moderator

    Likes Received:
    Sep 30, 2002
    New Albany, OH
    This will work for usdm OBD-1 ECUs:

    Read the code on it. The 2nd to last # on an automatic ECU will have a 5.
    If it is anything but a five then it is a manual ECU.

    Jdm OBD-1 ECUs:

    Reade the code on it.. if the last 3 digits are 900 or 901 it is an automatic ECU.

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