There is a known defect with the comfort access door handle- an internal short causes them to draw too much current. Drains the battery, can trip that error and cn cause the things you are seeing.


Someone recently posted a ghetto hack in which he just cut a wire instead of fixing it. Others have actually posted the fix.


If the door handle area is warm to the touch (or shows up warm with an IR thermometer) that is the likely culprit