DTC U0156-00: Communication Error With Instrument Cluster (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 U0156:00 (AIRBAG) (US) DETECTION CONDITION AND POSSIBLE CAUSE

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