Golf R Tyre Pressure warning?

Hey guys, so my 2016 Golf R is giving me a tyre pressure low warning every 3-400kms, first it was the front left, pressures were fine , reset it, then the rear left, checked pressures at tyre shop - all fine - reset it now its the front right - this has been happening for a few weeks now, is it the faulty tyre pressure monitor in one of the wheels that can cause all to fault or will they all be bad? It seems like theyre having turns