Parking Sensors stopped working

[Snizzers]

Hello all. My parking sensor system stopped working. I think they are factory fitted. Fuses OK; Haynes manual has not enough detail to diagnose. I took sensors off and tried to measure with meter but not sure what resistances I should find? Any tips on how to check the system out

[yysnet]

What is the fault code? Try padel method or tech2/vauxcom. Factory paking sensors should have a push button below hazard light switch.

[John LE]

If they are factory fitted you should have a fault light in the clocks. If they are aftermarket and have just stopped altogether worth checking the pos and neg wires

If there is nothing obvious you'll need to have it plugged in to check for fault codes