Code 12
WARNING: This page is about a different car, the 1994 Eagle Vision, 1994 Dodge Intrepid, 1994 Chrysler New Yorker, 1994 Chrysler LHS, and 1994 Chrysler Concorde. However, it is still accessible from the selected car via links, so may be relevant.
DRB displays BATTERY DISCONNECT. Condition is: direct battery voltage to PCM was disconnected within the last 50 key-on cycles.