DTC U0140-00: (Airbag) (Us): 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 U0140:00 [SAS CONTROL MODULE] DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Communication error with body control module (BCM)
Detection condition	SAS control module could not receive CAN signal from the body control module (BCM).
Fail-safe	Not applicable
Possible cause	Malfunction in CAN line between the SAS control module and body control module (BCM) Body control module (BCM) malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable