DTC U2300-56: Configuration Data Unmatched With Body Control Module (BCM) [Adaptive Front Lighting System (AFS) Control Module]: Outline

WARNING: This page is about a different car, the 2021 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

DTC U2300:56 [ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE] DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Configuration data unmatched with body control module (BCM)
Detection condition	Configuration data of the adaptive front lighting system (AFS) control module and body control module (BCM) are not matched.
Fail-safe	Control of the adaptive front lighting system (AFS) is continued. Control of the headlight auto leveling system is continued.
Possible cause	NOTE: To correctly write the configuration data sent from the body control module (BCM) to the adaptive front lighting system (AFS) control module, 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 Body control module (BCM) configuration data error Adaptive front lighting system (AFS) control module malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable