2022 Mazda 3 BaseFACTORY OEM SERVICE PROCEDURE

DTC U2300-56: Configuration Data Unmatched With Body Control Module (BCM) [Auto Leveling Control Module]: Outline

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DTC U2300:56 (AUTO LEVELING CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Configuration data unmatched with body control module (BCM)
Detection condition  
  • Configuration data of the auto leveling control module and body control module (BCM) are not matched.
Fail-safe  
  • 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 auto leveling 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
  • Auto leveling control module malfunction
System wiring diagram Not applicable
Connector diagram Not applicable
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