Code 12
WARNING: This page is about a different car, the 1995 Dodge Ram Wagon, 1995 Dodge Ram Van, 1995 Dodge Pickup, and 1995 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
On AB body, DRB displays BATTERY DISCONNECT. On BR body, DRB display is blank. Condition is: Direct battery input to Powertrain Control Module (PCM) disconnected within last 50 key-on cycles.