Hi there,
Just got my car back from VW and well, it's not great news.
Basically they charged me £227 and said to me, "we couldn't find the battery drain, but when we put a donor battery on the drain disappeared and we could not recreate it".
So they gave me a car back with a flat battery that is still discharging, claiming that the battery is "Self-discharging", but what really gets me is that they could not recode my steering rack, as they "could not find the battery issue".
Sounds like they just don't know what is wrong with it, so I'll be speaking to a manager for a refund. Disappointing.
I will be working on the car today, and will be doing continuity tests on all circuits, to check for cable degradation, I will be doing current tests on all fuses, and I will also be checking the starter motor and alternator relays , as these are unfused.
Will keep you updated.