Warning Lamp Open Or Short
WARNING: This page is about a different car, the 1995 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
ASDM monitors circuit continuously while ignition is on. Warning lamp code becomes stored in ASDM's memory when ignition is turned off. Possible causes are: Warning lamp control circuit open. Warning lamp control circuit shorted to ground. Loose or poor connection at connector(s) terminal. Faulty warning lamp. Faulty cluster printed circuit board.