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Home >> Mazda >> 2017 >> 6 Touring, Automatic Trans >> Repair and Diagnosis (Single Page) >> 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

DETECTION CONDITION & POSSIBLE CAUSE

Description Error signal received from PCM
Detection condition
  • Blind spot monitoring (BSM) control module receives the error signal from the PCM for 1 s or more.
Fail-safe
  • Blind spot monitoring (BSM) system is stopped.
Possible cause
  • DTCs are stored in the PCM.
  • PCM malfunction
  • Blind spot monitoring (BSM) control module malfunction
System wiring diagram Not applicable