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Disco 2 rear parking sensors playing up

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The rear parking sensors on my Disco 2 are playing up with the continuous warning beep. Is it possible to have them checked to see if it is a sensor that has failed? I have pulled the connectors off the back of the sensors in the rear bumper and sprayed some white grease into the connectors in case it was some crud or moisture causing the issue. Also, does someone have the part number for the sensors?

Thanks, Chris

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Chris, what about removing each sensor connector while the ingnition is turned on (engine can be off) while the reverse sensor is beeping? You'll need to walk away as you try each one to clear your self of the sensor picking you up. I'd have thought that through this process of elmination, you'll be able to identify which sensor is faulty.

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I don't think you were following my thinking Chris. It's most likely that you only have one sensor faulty so I'm wondering if by removing then re-connecting each one from the circuit, one by one, you'll be able to identify which one it is faulty.

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You will find that the system only works when all sensors ane connected, therefore isolating one at a time will not work.

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I will see if I can buy 1 new sensor and use that a tester.

Chris

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I had this exact problem with my 2004 ES, thought it was an intermittent fault with sensors, but turned out it was the rear step being down that was causing the continuous tone. Gas strut had gone in step and sometimes I would push it back up myself when I walked past, unwittingly solving the problem. Hope this tip comes in useful to someone else.

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To test ignition on in reverse (engine off)

And u can listen to the sensors they will be clicking if working ok.

Apart from the rear step

Most of the time it's the rear loom corroded and failing

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Can anyone help, my rear parking sensors have stopped working, no beep or light on switch

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2 hours ago, Jaz said:

Can anyone help, my rear parking sensors have stopped working, no beep or light on switch

Do your reversing lights work?

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