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Home >> Infiniti >> 2013 >> EX37 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Auto Cruise Control System) >> Intelligent Cruise Control >> Component Diagnosis >> DTC C1A03: Vehicle Speed Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different car, the 2008 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION TABLE

DTC No. (On board display) Trouble diagnosis name DTC detecting condition Possible cause
C1A03 (3) VHCL SPEED SE CIRC If the vehicle speed signal (wheel speed) from the ABS actuator and electric unit (control unit) and the A/T vehicle speed sensor signal (output shaft revolution signal) from TCM, received by the ICC sensor integrated unit with CAN communication, are inconsistent.
  • Wheel sensor
  • ABS actuator and electric unit (control unit)
  • A/T vehicle speed sensor
  • TCM
  • ICC sensor integrated unit
NOTE: If DTC "C1A03" is detected along with DTC "U1000" or "C1A04", first diagnose the DTC "U1000" or "C1A04".