Quote:
Originally Posted by InFiD3ViL
One possibility I have thought of is the rain is getting into the wiring harness in between the firewall and door jams, causing a short to the BCM for those specific functions. Either that, or somehow it is getting into the door switch that controls the windows, which in turn is causing a short condition in the BCM. Another possibility, however less likely, is the extreme humidity is causing issues with the actual BCM.
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My thoughts initially took me to the areas you discussed (above). Appears that the signals from the door being opened/door switches ares not getting to the BCM. To me that points to a problem in the wiring harness or within the BCM itself. Having said that, it is based on logic only; I have NO EXPERIENCE in actually working those electrical systems. I personally would take SPEC's advice and find a reputable, qualified auto electrics shop to do the work. (By the way, the electronics on these new cars is THE reason I opt for an extended warranty!--but even those eventually expire, as would have happened with your 2010.) Good luck, and keep us posted.