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Home >> Mazda >> 2021 >> 3 Select, 4D Hatchback, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> On-Board Diagnostic - Vehicle Control Module (1 Of 2) >> DTC B14F2-87: Communication Error With Vehicle Control Module (VCM) And Rear Side Radar Sensor (RH) [Vehicle Control Module] >> Outline
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DTC B14F2-87: Communication Error With Vehicle Control Module (VCM) And Rear Side Radar Sensor (RH) [Vehicle Control Module]: Outline

DTC B14F2:87 [VEHICLE CONTROL MODULE] DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Communication error with vehicle control module (VCM) and rear side radar sensor (RH)
Detection condition
  • The vehicle control module (VCM) detects that the rear side radar sensor (RH) received a communication error with the vehicle control module (VCM) for 15 s.
Fail-safe (See DTC TABLE [VEHICLE CONTROL MODULE (US)] .)
Possible cause
  • Malfunction in CAN communication line between vehicle control module (VCM) and rear side radar sensor (RH)
  • Malfunction in CAN communication line related to vehicle control module (VCM)
  • Rear side radar sensor (RH) malfunction
  • Vehicle control module (VCM) malfunction (built into body control module (BCM))
System wiring diagram Not applicable
Connector diagram Not applicable