Do you have any fault messages or symbols on the console?
From your description, it seems like any function you try to do thru the Driver's Armrest Window Switch is unresponsive. But, the other Driver's side front and back door functions
NOT ACCESSED thru this switch-bank are working (door locks, the rear door Window Switch). This points to the armrest Door Switch (including its wiring harness) likely being where the problem is.
You've done the logical thing to order a replacement Window Switch. If you can't obtain a new one, how about the online salvage sites?
When you get it, disconnect the battery before unplugging the harness -- the DDM is always "on" and you don't want to confuse it.
My experience with other Volvos is that the Window Switch is a passive switch assy -- it doesn't contain any software. Whereas, the DDM does.
Keep us in the loop -- good luck.
Last edited by pbierre; 01-24-2020 at 06:51 AM.
2013 XC70 T6 Flamenco Red (hers)
2015 XC70 T6 Seashell Metallic (his)
past: 13 Volvos going back to '74 242 sedan
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