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Home >> Mazda >> 2024 >> CX-30 Select Sport >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> On-Board Diagnostic - Vehicle Control Module (4 Of 4) >> DTC U2139-00: Communication Error With Rear Side Radar Sensor (RH)

DTC U2139-00: Communication Error With Rear Side Radar Sensor (RH)

U2139: 00 (VCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Communication error with rear side radar sensor (RH)
Detection condition
  • The vehicle control module (VCM) cannot receive CAN signal from the rear side radar sensor (RH).
Fail-safe (See DTC TABLE [VCM] .)
Possible cause
  1. Malfunction in CAN communication line between rear side radar sensor (RH) and vehicle control module (VCM)
NOTE:
Repeatability verification procedure
  • Not applicable
System wiring diagram
  • Not applicable