Hi
it seems there’s an issue with the alternator, on all 2L Petrol engines, so A4, A5, A6,A7 and Q5 TFSI engines manufactured between May 2017 and March 2020. Water has been seen to get into power teminals. I had a letter from Audi this week.
A replacement alternator is required, date given for work to be carried out was early July but to be confirmed.