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2007 Honda Odyssey EX – P0843

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This topic contains 3 replies, has 2 voices, and was last updated by Panos kanellis Panos kanellis 1 year ago.

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  • #894392
    Jeremy Taylor
    Jeremy Taylor
    Participant

    Hello, I have a 2007 Honda Odyssey EX. Recently got a flashing D light and a check engine code. Code reads P0843 transmission fluid pressure sensor/ switch a circuit high. Fluid is good and at normal level. I’ve enclosed a screen shot of the transmission that I got from Honda Parts. It looks like there are three pressure switches. Looks like two of them are the same (#11) and are located at the top and towards the side. The other is different (#12) is located at the bottom. I am trying to figure out which one of these switches is setting the code. And how do I test the switch? All I’ve been able to gather is that 5 volts goes to each of them, but I am not sure that’s accurate. Any help would be appreciated. Thanks.
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  • #894396
    Panos kanellis
    Panos kanellis
    Participant

    If your scanner supports live data you can select only these pressure switches and see the voltage you should unplug a sensor at the time to configure who is who

    #894403
    Jeremy Taylor
    Jeremy Taylor
    Participant

    I don’t have one with live data.

    #894408
    Panos kanellis
    Panos kanellis
    Participant

    Ok if i remember the sensor lives on the side of the transsmission on the valve body.voltage high tells me that maybe the sensor itself is opencircuit try to connect a test light in series with the sense wire and see if the light remains

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