Reverse light and fog light not working

[Rneedham4]

I have a 2006 golf 1.9tdi . The notification on the dash has reverse light and rear fog defective.
I have checked the wiring all thru especially thru the boot and all is fine. Therereverse switch on the gearbox hs been tested and is also fine. All fuses are intact .
There is no voltage present at either lamp holder when they are meant to be live.
Any help ??

[Flash2]

So you've checked continuity of the wiring between the power supply control unit/BCM and the lamps and it's all good?

BTW, there shouldn't be voltage at the lamp holders while there's a bulb failure warning notification shown on the dash....that's normal.