P0504 Error Code - Honda Civic Forum

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    Old 21-10-2016, 12:39 PM   #1 (permalink)
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    laww79 is an unknown quantity at this point
    Default P0504 Error Code


    I have a 2012 honda Civic EX. I was driving along and within 100 metres all the following lights came on.

    Engine Management Light
    ABS light
    Tyre Pressure Light (which flashed for a while before remaining constant)
    Electric Steering wheel light.

    I took it to a garage and they diagnosed that it was the Brake Pedal sensor. This was replaced which solved the problem until today where the same thing happened.

    Does anyone know what is causing this? Looking at google and other Honda Threads it has been suggested it could be an ABS Sensor.

    Could it also be that the battery is failing and due for a replace?

    I also have another intermitent issue where the car thinks the boot is open. Sometimes it never goes off whilst other times it goes off constantly. This has meant I have to lock the car by key as it thinks a door is open.

    I am not sure if these two issues are linked.

    Looks like I have electric gremlins.
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    Old 15-03-2017, 08:29 AM   #2 (permalink)
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    Dave O is an unknown quantity at this point
    Default Error Code P0504

    Hi laww79

    I have a 62 plate 2.2 diesel and have the same problem with the 4 warning lights.
    Did you ever resolve the issue?

    Dave O is offline   Reply With Quote

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