Occupant Restraint Controller: Description
WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.
The Occupant Restraint Controller (ORC) is also sometimes referred to as the Airbag Control Module (ACM). The ORC contains the impact sensor and energy reserve capacitor. The sensor is calibrated for the specific vehicle and reacts to the severity and direction of the impact.