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General Information





Airbag (Event #1)

B1409 SIS (Side Impact Sensor) Front-Driver Communication Error - General Information

Component Location





General Description

Side Impact Sensor (SIS) is located in both side of center pillar detects broad collision.
When SIS delivers collision signal to SRSCM, SRSCM checks if safing sensor located in SRSCM detects collision.
SRSCM issues the deployment of side restraints, if collision signal from these sensors meet the crash severity level of side crash discrimination algorithm of SRSCM

DTC Description

The SRSCM sets DTC B1409 if there is any error in communication between DSIS and SRSCM.

DTC Detecting Condition





Diagnostic Circuit Diagram