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Information Bus: Application and ID

ACM - Airbag Control Module
AECM - Airbag Electronic Control Module
Airbag Module - also called "Squib" Initiator. It is located inside the driver side Airbag Module assembly.
ASDM - Airbag System Diagnostic System
CCD - Chrysler Collision Detection (Vehicle Communication Bus)
DAB - Driver Airbag
DLC - Data Link Connector
EM - Entry Module
PAB - Passenger Airbag
PCM - Powertrain Control Module
PDC - Power Distribution Center
SQUIB - also called initiator (located in rear of airbag module)