Hi,

I have a focus 2008 titanium!My parking sensors are making a long high pitch tone,i have read a few forums saying the moldule woll have malfunctioned!

Any ideas?

Cheers

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Sounds like a possibility I would be checking the connectivity on the earth

Any idea where the earth is on them?

If you can get to the connectors on the sensors at the back of the bumper, try disconnecting them one at a time and see if you still get the constant tone?

That'll maybe give you a better idea if it's a sensor faulty rather than the module.

I can hear 3 of them ticking but one isnt,disconnected it but still long high pitch

The earth is behind the boot panel left hand side

Cheers i'll have a look

Earth all seems fine,and power going to sensors so im guessing its either a faulty sensor or the module

If you unplug them one of turn you should find the bad sensor but I think you did that without success?

Yeah i did that but still had no luck

Sounds certainly like a bad module to me.

Yeah they're a bit pricey as well so will.be doing without if it is lol

You could replace it with aftermarket sets? Basic kit can be 8 quid

Yeah might look into that cheers for your help

If one isnt ticking then replace that sensor. That could be the problem. Have you checked you got power going to each sensor?

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Yeah i did check and there is power going to them

Try a sensor first before changing the moidule

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Ok i will do cheers mate

Well tried a new sensor but still not working and doesnt tick!still get constant tone when i select reverse

Long shot, and maybe someone with more experience will be able to say it's a daft idea before you proceed, but try unplugging all of the sensors. If the system can function with a sensor missing, then perhaps it will function with them all missing. (I'm thinking that you could have more than one sensor malfunctioning and removing one at a time hasn't gone far enough).

Out of interest, did you powerhose across the sensors at all??

I distinctly remember one instance when it was raining sideways for a few days straight and my reversing sensors went mad until they had dried out.

Check for mud on the underside of the bumper against the sensor. Always set of my landrover ones and was kind of annavoidable

Manage to get them back working,was a broken wire!Cheers for all your help.

Was it the wire to the sensor?

Yeah it was the wire to the sensor which wasnt ticking was broke

Good result!