Secondary Air Bag Warning (Chime)
WARNING: This page is about a different car, the 2014 Ford F-150. 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 located in and controlled by the IPC . If a fault is detected with the air bag warning indicator, a DTC is stored in memory of the IPC . Upon receiving the message from the RCM that a SRS fault has been detected, the IPC sounds the secondary air bag warning chime in a pattern of 5 sets of 5 beeps.