My mistake, there actually are codes....

P0750 Shift Solenoid 'A'
P0700 Trans Control System

I don't know why they didn't show up the first time.

Originally Posted By Transman
Get it off the ground - start it up and out in gear and feel/listen to the transfer unit - can't remember the last time I saw an RFE unit act like yours and not set a code. Sounds like something else gave up he ghost.