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Home >> Mazda >> 2017 >> CX-3 Sport, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> On-Board Diagnostic - Blind Spot Monitoring Control Module >> DTC U0401-68; Error Signal Received From PCM >> Notes
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DTC U0401-68; Error Signal Received From PCM: Notes

ERROR SIGNAL RECEIVED FROM PCM - DETECTION CONDITION & POSSIBLE CAUSE

Description Error signal received from PCM
Detection condition
  • Blind spot monitoring (BSM) control module (LH) receives the error signal from the PCM for 2 s or more with the ignition switched ON (engine off or on).
Fail-safe
  • Blind spot monitoring (BSM) system is stopped.
Possible cause
  • DTCs are stored in the PCM.
    • PCM malfunction
  • DTCs are stored in the instrument cluster.
    • Instrument cluster malfunction
  • Blind spot monitoring (BSM) control module (LH) malfunction
System wiring diagram Not applicable