Secondary Air Bag Warning (Chime)
WARNING: This page is about a different car, the 2013 Ford Explorer. 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 Supplemental Restraint System (SRS) fault has been detected, the IPC sounds the secondary air bag warning chime in a pattern of 5 sets of 5 beeps.