I wish I could help you, cuz I'm sure that's pretty scary. You're probably not getting any replies because people are nervous about giving advice in a potentially dangerous situation. You should probably drop in a VW shop asap. Good luck and be safe.
My neighbor just had this problem. There is so much stuff wiring tied into all this stuff. His car was in the shop for a month till they found the problem it was a wire somewhere he did not say exactly where. There are even wires under the seat that are tied into the system.
Dealer time. Mine went on while on a trip and I had a local dealer check it out to make sure it was safe to rive home. Turned out to be a contact ring on the steering column which I had taken care of at home. I wouldn't trust anyone but a dealer with the air bag. HTH!