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Home >> Infiniti >> 2013 >> M56 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1087 To P2542 >> DTC P1574: ICC Vehicle Speed Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE:
  • If DTC P1574 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.
  • If DTC P1574 is displayed with DTC P0500, first perform the trouble diagnosis for DTC P0500. Refer to "DTC LOGIC ".
  • If DTC P1574 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer to "DTC LOGIC ".
  • If DTC P1574 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer to "DTC LOGIC ".
DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P1574 ASCD VHL SPD SEN (ICC vehicle speed sensor) ECM detects a difference between two vehicle speed signals is out of the specified range.
  • Harness or connectors (The CAN communication line is open or shorted.)
  • Combination meter
  • ABS actuator and electric unit (control unit)
  • Wheel sensor
  • TCM
  • ECM