Secondary Airbag Warning (Chime)
WARNING: This page is about a different car, the 2014 Lincoln MKX and 2014 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
The secondary airbag warning chime is an audible chime located in and controlled by the IPC . If a fault is detected with the airbag warning indicator, a DTC is stored in IPC memory. Upon receiving the message from the RCM that a SRS fault has been detected, the IPC sounds the secondary airbag warning chime in a pattern of 5 sets of 5 beeps.