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Home >> Mazda >> 2021 >> 3 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> On-Board Diagnostic - Vehicle Control Module (1 Of 2) >> DTC B14F3-49: Driver Monitoring (Dm)-Related Part Malfunction [Vehicle Control Module] >> Outline

DTC B14F3-49: Driver Monitoring (Dm)-Related Part Malfunction [Vehicle Control Module]: Outline

DTC B14F3:49 [VEHICLE CONTROL MODULE] DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Driver monitoring (DM)-related part malfunction
Detection condition
  • The vehicle control module (VCM) detects a malfunction in any of the following driver monitoring (DM)-related parts for 20 s.
    • Driver monitoring camera unit
    • Driver monitoring camera (built into center display)
    • Driver monitoring camera LED (built into center display)
Fail-safe (See DTC TABLE [VEHICLE CONTROL MODULE (US)] .)
Possible cause
  • Driver monitoring camera unit malfunction
  • Driver monitoring camera malfunction (built into center display)
  • Driver monitoring camera LED malfunction (built into center display)
  • Vehicle control module (VCM) malfunction (built into body control module (BCM))
System wiring diagram Not applicable
Connector diagram Not applicable