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Home >> Infiniti >> 2013 >> M56 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Driver Assistance System (LDW & LDP) >> DTC/Circuit Diagnosis >> DTC C1A03: Vehicle Speed Sensor >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

DTC (On board display) Trouble diagnosis name DTC detecting condition Possible causes
C1A03 (3) VHCL SPEED SE CIRC If the wheel speed signal from ABS actuator and electric unit (control unit) received by the ADAS control unit via CAN communication, are inconsistent
  • Wheel speed sensor
  • ABS actuator and electric unit (control unit)
  • ADAS control unit
NOTE: If DTC "C1A03" is detected along with DTC "U1000" or "C1A04", first diagnose the DTC "U1000" or "C1A04".