Not sure which of your same posts I should respond to, but will try here.
Is it a TriMark? Do you have the lighted grab-handle? If so, does the light work, or any of the pushbuttons for the locking portion? We can start and go from there.
None of my functions worked, and it turned out to be the control module. Doorbell was hidden in the wall-mounted console to the right of the passenger seat.
EDIT: you type quicker than me, John