DTC U2300-54: Configuration Data [DSC HU/Cm]: 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.

System malfunction location	Configuration data
Detection condition	The DSC HU/CM cannot receive the configuration data from the body control module (BCM) or the PCM.
Fail-safe	Refer to "DTC Table" and "Fail-safe Function Malfunction Contents Table". (See DTC TABLE [DSC HU/CM (US)] .)
Possible cause	NOTE: To correctly write the configuration data sent from the body control module (BCM) and PCM to DSC HU/CM, 30 s or more have to be elapsed since the ignition is switched ON (engine off or on). Malfunction in CAN communication line (CAN BUS No. 2) between PCM and body control module (BCM) Malfunction in CAN communication line (CAN BUS No. 1) between body control module (BCM) and DSC HU/CM PCM malfunction Body control module (BCM) malfunction DSC HU/CM malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable