Code 42
WARNING: This page is about a different car, the 1994 Plymouth Sundance, 1994 Plymouth Acclaim, 1994 Dodge Spirit, 1994 Dodge Shadow, and 1994 Chrysler LeBaron. However, it is still accessible from the selected car via links, so may be relevant.
DRB displays AUTO SHUTDOWN RELAY CONTROL CIRCUIT. Condition is: open or shorted condition detected in Auto Shutdown (ASD) relay circuit.
DRB displays NO ASD RELAY OUTPUT VOLTAGE AT PCM. Condition is: PCM did not detect Auto Shutdown (ASD) sense signal after grounding ASD relay.