To my knowledge my doors/windows were never left open significantly. I pulled the FPDM module apart this past summer and cleaned it out with electronics cleaner suspecting contamination of some...
Nothing useful.... weather has been bad and I've had to put my Bravada on a charger every time I park it. The last time I took it out anywhere the passenger side mirror kept trying to go up/right...
When the issue happens, it's like the passenger door isn't plugged in. Passenger lock doesn't work, passenger window doesn't work, passenger heater doesn't work, passenger mirror doesn't work...
I've had intermittent issues in the past with my passenger door - windows not working, seat heater not working, door not reporting "open" to the DIC.... but now it seems these issues appear more...