No Orc Message
WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
When Monitored: At ignition on, the OCM monitors the PCI Bus for a PCI Bus message from the Airbag Control Module.
Set Condition: The DTC will set if the OCM does not receive a valid ACM bus message within 3 consecutive seconds.