When Monitored and Set Condition:
WARNING: This page is about a different car, the 2003 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
When Monitored: Ignition on.
Set Condition: Vehicle line or vehicle series information transmitted from PCM does not match the expected values for ten seconds and/or vehicle line or series information not transmitted by the PCM for ten seconds.