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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 163 (On-Board Diagnostic - Connectivity Master Unit) >> DTC U3000-42; Connectivity Master Unit Internal Malfunction (Poor Data Read-Outs) >> Notes

DTC U3000-42; Connectivity Master Unit Internal Malfunction (Poor Data Read-Outs): Notes

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DETECTION CONDITION & POSSIBLE CAUSE

Description Connectivity master unit internal malfunction (poor data read-outs)
Detection condition
  • The connectivity master unit cannot read data from the NVRAM in the connectivity master unit with the ignition switched to ACC or ON (engine off or on).
Fail-safe function Not applicable
Possible cause
  • Connectivity master unit malfunction
System wiring diagram Not applicable