I have a seat Alhambra and there is a fault with the parking sensor, i have located the fault to one sensor at the front corner but when i tried another sensor at the faulty point it also does not work so the fault came down to the loom but there is also power coming to the plug , i have also change the control box but the problem is still there.
have you checked all the sensors best thing to do is put it in reverse and put your ear to each sensor, you should hear a clicking sound if not then that sensor needs to be changed. All sensors should make a clicking sound only then the parking aid works. Let me know how you get on.
asiml123
February 2011
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