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Home >> Mazda >> 2024 >> 3 Carbon Turbo, 4D Hatchback >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> On-Board Diagnostics - CMU (2 Of 2) >> DTC U2300-56: Configuration Data Of Body Control Module (BCM) Is Invalid >> Details On DTCs

Details On DTCs

U2300-56: (CMU) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Configuration data of body control module (BCM) is invalid
Detection condition Determination conditions
  • The connectivity master unit (CMU) received invalid configuration data from the body control module (BCM).
Preconditions
  • Not applicable
Malfunction determination period
  • Not applicable
Fail-safe
  • Not applicable
Vehicle status when DTCs are output
  • Not applicable
Possible cause
  • Inappropriate previous module replacement procedure
  • Configuration data writing error
  • DTCs are stored in the body control module (BCM).
  • Body control module (BCM) malfunction
  • Connectivity master unit (CMU) malfunction