Reverse lights staying on

[Pat J]

I have a '99 2.5 V6 Tdi Auto and when I select reverse the reversing lights stay on when I select D.
I've currently removed the bulbs but all help and advice greatly appreciated as usual.

 

[Oranoco]

Knackered switch at a guess.

 

[Pat J]

Knackered switch at a guess.

Will that be the switch on the gearbox itself and if so does anyone have the part no. for it please