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Question about ECU for F22b?

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    #1

    Question about ECU for F22b?

    Hi My friends buddy is getting ready to do a F22b swap on my 91 LX and the ECU that he has is for a man. trans. will it work on my F22a1 auto trans? The ECU # is 37820-P39-N50. I've read other threads about other ECU's saying that it doesnt matter if its Man. or Auto. Please let me know if this is true cause I dont feel like waiting almost 4 weeks to get the new ecu.

    Thanks
    Last edited by dooey52_91CB9; 10-01-2008, 06:54 AM.
    Bought from: Jack_Lee, Hondaguy1212, cb7dazz, dannyd, frootloops, ncoutlaw, busak87, Losiracer2, KeeleDesign, 1993ACCORDMAN, gdout90accord, sikz6, Type_G

    Sold to: 1993haccord, samrjr0044, blk91coupe
    Tags: None
    #2
    Yeah, should be fine. Your TCU is what controls the transmission. I believe there ARE differences, but not significant enough to really matter.






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      #3
      Thanks deevergote I apreciate the info. My friends buddy wasnt sure cause all the customers he's had always wanted thiers converted to stick. For me its not worth the extra $350 to convert just yet. I'm happy with the auto for a daily driver.
      Bought from: Jack_Lee, Hondaguy1212, cb7dazz, dannyd, frootloops, ncoutlaw, busak87, Losiracer2, KeeleDesign, 1993ACCORDMAN, gdout90accord, sikz6, Type_G

      Sold to: 1993haccord, samrjr0044, blk91coupe

      Comment

        #4
        Originally posted by dooey52 View Post
        Hi My friends buddy is getting ready to do a F22b swap on my 91 LX and the ECU that he has is for a man. trans. will it work on my F22a1 auto trans? The ECU # is 37820-P39-N50. I've read other threads about other ECU's saying that it doesnt matter if its Man. or Auto. Please let me know if this is true cause I dont feel like waiting almost 4 weeks to get the new ecu.

        Thanks
        as far as I know that ecu that you have is for an auto not a manual.
        check this out:

        ECU Part Numbers
        All Honda ECUs have a part number which is located on the side of the ECU and inside the ECU on the connector. e.g. 37820-P72-A01

        The part number consists of three components:

        Honda's part number for ECU, which is always 37820
        Three characters (which are loosely related to the model of car/engine). e.g P72
        Three characters (which are the revision of the ECU) e.g. A01


        The ECU Revision Number can tell us the Transmission Type it belongs to.
        in 88-91 ecus (PM6, PR4, PW0, PR3, PM7):

        5spd = 000, 001, 002, A00, A01, A10, J00, J001, C01, C00
        Auto = J51, J50, A50, A51, 901, A60, C50, C51, X30, A80, L50, L51

        92-95 ECUs (P28, P30, P61, P72, P91, P08)


        5spd = 000, 001, 002, 003, 004, A00, A01, A02, C00, C01, C02, J00, J01, J02, G00, G01
        Auto = J50, J51, 901, 902, C50, C51, C52, A50, A51, A52, L50, L51, G51

        96-00 ECUs (P2E, P2P, P2J, P72, P73):

        5spd = 000, 001, 002, 003, A00, A01, A03, C00, C01, C02, C03, J00, J01, J02, A11, C11
        Auto = A70, A71, A72, A91, A92, C70, C71, C72, C91, C92

        From the patterns we can learn the following:


        first letter = country of orgin
        J = Japan
        C = Canada
        A = USA
        G = Europe
        The second digit, if 5, 7, 9 then ecu is auto usually
        The third digit denotes the version/variation
        L = California emissions or typically high altitude states as well.

        I don't know what your n is,but my guess it's stands for north america.....this info is for civics but it should be the same for all auto/manual hondas......so according to this the 5 means auto.
        someone jump in...is this right?
        Last edited by black sunshine; 10-02-2008, 08:53 PM.

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