Automatic window switch
I also have this issue - intermittent. Battery never replaced, checked out fine. Windows work fine, then suddenly power to switch is lost (only front passenger window can be controlled from driver side switch). Turn off car, remove key, re-insert key and turn to "on" (not start) and switch works normally. Start car and it works fine...until....it goes out again - may be 2 minutes, may be days. Same solution with ignition key to resolve the issue. Two dealers found no codes - one dealer wanted $160 to replace "defective" battery - the other had all access panels off to check wiring, but couldn't get the issue to occur.
Frustrating....