Secondary Air Bag Warning (Chime)
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
The secondary air bag warning chime, is an audible chime controlled by the IPC. If the IPC has detected a fault with the air bag warning indicator, a DTC will be stored in the memory of the IPC. Upon receiving the message from the RCM that a SRS fault has been detected, the IPC will sound the secondary air bag warning chime in a pattern of 5 sets of 5 beeps.