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Thread: Bmw e39 pdc

  1. #1
    BMWHaus Contributor
    Join Date
    Mar 2014
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    621

    Bmw e39 pdc

    Hey lads, trying to finally get around to trying to fix my PDC, I replaced some faulty sensors and this is what I'm left with, any idea? Using Carly at the moment.

    E39 525iA Sport - Sapphire Black - SOLD
    E39 528iT SE - Orient Blue - SOLD
    E39 540i/A Sport - Topaz Blue

  2. #2
    BMWHaus Contributor
    Join Date
    Mar 2014
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    621
    Update to this, found the generator and found the pdc cable unplugged, plugged in now and codes gone but still not right, trying a battery reset now.
    E39 525iA Sport - Sapphire Black - SOLD
    E39 528iT SE - Orient Blue - SOLD
    E39 540i/A Sport - Topaz Blue

  3. #3
    BMWHaus Contributor
    Join Date
    Mar 2014
    Posts
    621
    All sorted, kind of they all work now but fronts cut in every now and again but I'm happy out, first time they've worked since I got the car

    This Blue and black cable was unplugged:

    E39 525iA Sport - Sapphire Black - SOLD
    E39 528iT SE - Orient Blue - SOLD
    E39 540i/A Sport - Topaz Blue

  4. #4
    BMWHaus Contributor
    Join Date
    Mar 2014
    Posts
    621
    Update to this with a weird issue. When the engine is on the sensors seem to go mad, the front ones mainly, always seem to cut in on the rears for some reason. Yet with the just the ignition on and the gearbox in R they work perfectly? You can go around to each sensor with your hand and it detects the space perfectly, start the car and then they go mad again!

    So any ideas? PDC module at fault and needing replacement? Overvoltage maybe? I'm getting no faults on Carly for BMW.
    E39 525iA Sport - Sapphire Black - SOLD
    E39 528iT SE - Orient Blue - SOLD
    E39 540i/A Sport - Topaz Blue

  5. #5
    Hi, I dont know much about these but I do know electronics and the problem you describe sounds very much like a power supply fault. Could it be induction noise from a nearby electronic device? you could try wrapping the cables with a ferrite housing, this would eliminate external RF noise.

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