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Home >> Mazda >> 2019 >> 3 Base, 4D Hatchback, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> On-Board Diagnostic - Vehicle Control Module (2 Of 2) >> DTC U2125-00: Communication Error With Driver Monitoring Camera Unit (VCM) >> Outline
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DTC U2125-00: Communication Error With Driver Monitoring Camera Unit (VCM): Outline

DTC U2125:00 (VCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Communication error with driver monitoring camera unit
Detection condition
  • The vehicle control module cannot receive CAN signal from the driver monitoring camera unit for 10 s.
Fail-safe (See DTC TABLE (VCM (US)) .)
Possible cause
  • Power is not supplied from vehicle control module (VCM) to driver monitoring camera (built into center display)
  • Malfunction in CAN communication line between vehicle control module (VCM) and driver monitoring camera unit
  • Driver monitoring camera unit malfunction
  • Vehicle control module (VCM) malfunction (built into body control module (BCM))
System wiring diagram Not applicable