hi my audi a6 2lt td 2008 central locking system is faulty the problem is when using fob to unlock car ,all doors exept drivers door unlock which i then have to use key to open but the fob will lock all the doors even the drivers door could anyone help i dont want to take it to garage if there is a simple sollution

 

I have a 2008 A6 Quattro 3.2 that had the exact same problem. I replaced the door lock module about four months ago and now it's doing the exact same thing again. Does anyone have a possible cause and solution to share?