DTC B1514-09: Collision Signal Error (BCM): Outline

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

DTC B1514:09 (BCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Collision signal error
Detection condition	The door-electrical supply unit (passenger's side) receives signal indicating that Sophisticated Airbag Sensor (SAS) control module detected malfunction.
Fail-safe	Not applicable
Possible cause	DTCs are stored in the Sophisticated Airbag Sensor (SAS) control module. Crash zone sensor malfunction Sophisticated Airbag Sensor (SAS) control module malfunction Door-electrical supply unit (passenger's side) malfunction Body control module (BCM) malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable