The parking sensors (front and rear} on my car haven't worked since I bought it in February so I decided to have a go at them today.There are only 2 plugs attached to the module even though there are 3 separate wiring inlets . Every image I have looked at online shows 3 harness's connected ,2 with brown connectors and 1 with a black one. Mine just has the 2 with brown and an empty socket. Could this be the problem ?

 

 

Thanks for that,looks a bit beyond me. I noticed at the start that there was definitely 3 connectors connected to the module in the video and mine only has 2 connected(the small black one isn't there).Wondering if that is the power supply ?

 

Bit late updating on this. There was a cable missing which I sourced on ebay and now both rear and front sensors work