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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> On-Board Diagnostic - Connectivity Master Unit >> DTC U2300:54 [Connectivity Master Unit] >> Notes

DTC U2300:54 [Connectivity Master Unit]: Notes

DTC U2300:54 (CONNECTIVITY MASTER UNIT) DETECTION CONDITION AND POSSIBLE CAUSES

Description Configuration data not received from instrument cluster
Detection condition
  • The connectivity master unit (CMU) cannot receive the configuration data from the instrument cluster for 30 s or more with the ignition switched ON (engine off or on).
Fail-safe Not applicable
Possible cause
  • DTCs are stored in the instrument cluster.
    • Instrument cluster configuration not implemented
      • Instrument cluster internal memory malfunction
  • Instrument cluster configuration data error
  • Connectivity master unit (CMU) malfunction
System wiring diagram Not applicable