Possible Causes
WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
DRB DISPLAYS P/N & D/R NOT IN CORRECT POSITION
TRS T41 SENSE (P/N SENSE) CIRCUIT OPEN
TRS T41 SENSE (P/N SENSE) CIRCUIT SHORTED TO GROUND
TRANSMISSION RANGE SENSOR
PCM