The most common cause for auto windows not working in Audi A4 is when the 12 volt battery has been replaced or disconnected. The power windows still function, but you have to manually hold the switch to fully close or open the windows. In this case, performing a reset procedure should restore the auto functionality. Reset Procedure Start your A4. hello, have an audi a4 b6 model, and all power windows stopped working. I checked fuses, door wires, the wires from the comfort module and I found nothing. central locking work,door lamps work , foot lamp too. I did a test VAG-COM, but I did not found errors. I searched the forum but nothing helped me in this video i am going to diagnose and fix an Audi power windows that stopped working all at once.Hope it helps someone.Thanks for watchingConsider to subs .

audi a4 b6 windows not working