Pressure Switch Circuit Open/Short
WARNING: This page is about a different car, the 1995 Dodge Pickup and 1995 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
This code is stored if condition is active when ignition is turned off. Possible causes are: open ACM pressure sense circuit, open ACM pressure switch, open sensor ground circuit, ACM pressure switch sense circuit short to voltage or ground, faulty air bag module, or faulty ACM.