I have a 1999 VW Passat. The problem started with the Gas Door. One day it just stopped working, Then came the driver's window, then a few weeks later the other three windows. Now I do not have any of the windows working nor the Gas door. The interior lights are working, the sunroof is working. I checked the Convinience Control box undert the passanger seat. Cables are in perfect condition, no water or anything. I have also gotten a brand new master switch and still did not work. Fuses are good. What else could be the problem? Anyone can help???
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The gas door is typically a worn gas door solenoid. As for the windows, I usually pull off a door panel and see if the window motor is getting any power or ground when I energize the switch. ( the switch is new, did you ask VW if the switch has to be programmed in to system because some do ) If the drivers window failed first, you possibly could have a shorted motor, which could trip the window motor circuit breaker which would cause all the windows not to work.
