When Monitored and Set Condition:
WARNING: This page is about a different car, the 2004 Dodge Pickup and 2004 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
When Monitored: Ignition on and A/C is learned.
Set Condition: The A/C pressure sensor signal at the PCM goes above 4.92 volts for 2.6 seconds. One trip Fault. Three good trips to turn off the MIL.