DTC U2300-55: Configuration Data [Dash-Electrical Supply Unit]: 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 U2300:55 [DASH-ELECTRICAL SUPPLY UNIT] DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Configuration data
Detection condition	The dash-electrical supply unit receives a signal that the body control module (BCM) configuration was not performed.
Fail-safe	Not applicable
Possible cause	NOTE: To correctly write the configuration data sent from the body control module (BCM) to dash-electrical supply unit, 30 s or more have to be elapsed since the ignition is switched ON (engine off or on). DTCs are stored in the body control module (BCM). Body control module (BCM) configuration not implemented Body control module (BCM) internal memory malfunction Configuration procedure was not completed properly. Dash-electrical supply unit removed from other vehicle is being used Dash-electrical supply unit malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable