2022 Mazda 3 BaseFACTORY OEM SERVICE PROCEDURE

DTC U2300-55: Body Control Module (BCM) Configuration Not Implemented [Auto Leveling Control Module]: Outline

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DTC U2300:55 (AUTO LEVELING CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Body control module (BCM) configuration not implemented
Detection condition Β 
  • The auto leveling control module received a signal which indicates the body control module (BCM) configuration is not performed.
Fail-safe Β 
  • The headlight leveling actuator is stopped at the position when the malfunction is determined.
Possible cause Β 
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).
  • Body control module (BCM) configuration is not completed.
  • Body control module (BCM) malfunction
  • Auto leveling control module malfunction
System wiring diagram Not applicable
Connector diagram Not applicable
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
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  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
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