Cel P1596
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This is a discussion on Cel P1596 within the Maintenance, service, and repair forums, part of the Tutorials & DIY category; My Cel is on in my 2002 WRX and the code is P1596 Automatic transmission diagnosis input signal circuit high ...

  1. #1
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    Cel P1596

    My Cel is on in my 2002 WRX and the code is P1596 Automatic transmission diagnosis input signal circuit high input. The thing is that my car has a manual transmission, not an automatic. If anyone could give me suggestions on how to fix this problem it would be appreciated.

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  3. #2
    He simply abides. SD_GR's Avatar
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    It's an electrical issue. What mods do you have? What work did you do recently?
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    The world breaks everyone and afterward many are strong in the broken places. Ernest Hemingway
    I lied. I cheated. I bribed men to cover the crimes of other men. I am an accessory to murder. But the most damning thing of all... I think I can live with it. And if I had to do it all over again - I would. Benjamin Sisko
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    I installed a cat-back exhaust two days ago. That is the only mod on the car.

  5. #4
    He simply abides. SD_GR's Avatar
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    Did you knock loose the electrical connector on the top of the gearbox near the bottom edge of the firewall?
    WRX Info Links, Courtesy TheJ
    The world breaks everyone and afterward many are strong in the broken places. Ernest Hemingway
    I lied. I cheated. I bribed men to cover the crimes of other men. I am an accessory to murder. But the most damning thing of all... I think I can live with it. And if I had to do it all over again - I would. Benjamin Sisko
    DISCLAIMER: Opinions expressed are the author's alone and are inherently worthless.

  6. #5
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    I just bought the car a month ago and it looks like the previous owner hacked into that connector. So that is proably the problem. Thanks for the help.

  7. #6
    He simply abides. SD_GR's Avatar
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    OK great, at least that's a possible lead to the issue. Good luck.
    WRX Info Links, Courtesy TheJ
    The world breaks everyone and afterward many are strong in the broken places. Ernest Hemingway
    I lied. I cheated. I bribed men to cover the crimes of other men. I am an accessory to murder. But the most damning thing of all... I think I can live with it. And if I had to do it all over again - I would. Benjamin Sisko
    DISCLAIMER: Opinions expressed are the author's alone and are inherently worthless.

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