Dear All
Car=2001 530d,84000miles,auto
The Parking Distance Control on the car seems to be malfunctioning-the switch flashes and emits a constant beep whe turned on.Grateful for any ideas how bad is the prognosis and how much it would cost to rectify
many thanks
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Are you sure that each sensor is spotlessly clean?
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Are you also sure that the sensors have not been aftermarket painted?
Both this and the dirt described above can cause malfunction.
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just cleaned them out and don't think they were aftermaket painted as they worked fine till yesterday morning(I have had the car for 6 mnths)
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A constant beep on these Pdc systems usually indicates a fault with 1 or more of the sensors.It only takes 1 sensor to be faulty & the whole system will shut down.(rear & front if fitted).A simple (but not conclusive )test is to engage reverse gear with ignition on ,but ENGINE OFF,& carefully put your ear to each sensor in turn.A working sensor will emit a faint "crackle".
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Don't know what "waves" your sensors transmit, but for things like remote controls, if you view it through a digital camera (even one on your phone) you can see a white light when it is operational.
Don't know if that will help you any though?
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That works with infrared (light). PDC uses ultrasound.
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PDC stopped working on my 320d E46 Touring. I was told that there's a connection behind the rear bumper which gets corroded but haven't checked this out myself to confirm - does anyone know if this is true.
Also can the PDC be turned off/on as required on 320d E46? Can't find anything in the manual.
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