Hi all, I've recently replaced my console heater and air con unit and I'm getting a protection code being thrown up🙄(fkin Audi's)from what I understand as it's not the original unit from when the car was built it doesn't like it, auto electrician cand sort it neither can my mechanic. 2009 Audi A5 Cabriolet 2.0 tfsi Any suggestions/help massively appreciated!