4 shift buttons with no auto mode button .
You can ground pin 13 on diagnostic connector and pull codes.
key off ground pin and key on watch for and count blinks on shift buttons.
Post back code no.
Have you checked all fuses for 12 volt power on both sides with key on?
Also check how to section and run a search on it.
http://www.automotiveforums.com/vbul...d.php?t=572914