When Monitored
WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
With the ignition on, the Right Front Impact Sensor is equipped with on board diagnostics to monitor the sensor's internal circuits. If a problem is identified, the sensor sends the Right Front Impact Sensor Internal message to the Occupant Restraint Controller (ORC).