Could be a knackered abs pump or it could be a wonky sensor. Vag com is your friend in this situation, either that or get it down to a garage so they can have a poke about. Don't leave this to chance as it's your braking system.
x2 its braking system mate! no funny at all if i was you i would probably pull the car to the garage rather than driving it, dont mess with these things..i'd say vagcom first, most probably its your abs pumpCould be a knackered abs pump or it could be a wonky sensor. Vag com is your friend in this situation, either that or get it down to a garage so they can have a poke about. Don't leave this to chance as it's your braking system.