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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 U2300:55 [Connectivity Master Unit] >> Notes

DTC U2300:55 [Connectivity Master Unit]: Notes

DTC U2300:55 (CONNECTIVITY MASTER UNIT) DETECTION CONDITION AND POSSIBLE CAUSES

Description Instrument cluster configuration not implemented
Detection condition
  • The connectivity master unit (CMU) detected any of the following conditions with the ignition switched to ACC or ON (engine off or on).
    • Instrument cluster configuration not read
      • Configuration data cannot be written to connectivity master unit (CMU) memory.
Fail-safe Not applicable
Possible cause
NOTE:
  • To correctly write the configuration data, which is sent from the instrument cluster to the connectivity master unit (CMU), to the connectivity master unit (CMU), 3 s or more must have elapsed since the ignition was switched ON (engine off or on).
  • Instrument cluster configuration is not completed.
  • Connectivity master unit (CMU) malfunction
System wiring diagram Not applicable