The sales code, engine code and gearbox code, along with the colour code and many build codes specific to your van can be found on the factory white sticker which should be on the drivers seat frame and in the front of your service book.
If both are missing, call in at you local dealer and they can produce a full print out from the vin.
If your dealer dont know how (or dont want to help you out...) send me a PM with your vin and I'll sort you out with a copy (I work at a main dealer):tu
Thanks guys, I found it under the seat. Has any of you had experience of the cruise control system of a T5. Its not working and there is a connection in the wiring loom called B441 which I believe may be at fault but I cannot find it. I've traced the wires as far as I can up behind the steering wheel but before I start dismantling the rest of the dash I'd rather know if I'm going to find it or not.