I purchased a 2012 Turbo S Cab new 2 1/2 years ago. From day 1 when I close the convertible top (after driving with the top down) all the windows close as they are supposed to except the passenger window closed completely then drops down 1/2 way. It doesn't always do this but I'd say at least 30-40% of the time it does this. Porsche has told me it was an adjustment and of course they would fix it. 2 1/2 years later it still is doing the same thing. They have elevated the problem to regional HQ here in the US. The roof has been resealed, the motor replaced, etc...

Does anybody else have this problem or have any idea on what is going on. If it wasn't happening from the day I bought his car 2 1/2 years ago it wouldn't be that big of an issue. But this is ridiculous already. Someone had mentioned that maybe the window should be replaced which hasn't happened yet. Maybe someone was asleep when they built my car. So far the PSAM has failed, ABS has failed. All electronic problems, nothing mechanical and these have all been fixed. Two of my friends have the same exact car built a couple of months earlier with not a single problem.

Thanks ahead of time for any suggestions

 

I have a 2009 turbo cab. Same problem and no explanations! Mine doesn't happen quite as often but it's still a pain.

 

I also have a 2009 Turbo Cab and have a similar issue when closing the roof. But my passenger window only goes half way up then reverses and goes completely down. No explanation. Only happens about 5 to 10% of the time.