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Home >> Nissan-Datsun >> 2016 >> Sentra FE+S >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (3 Of 3) >> DTC/Circuit Diagnosis >> DTC P1574: ASCD Vehicle Speed Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE:
  • If DTC P1574 is displayed with DTC U1001, first perform the trouble diagnosis for DTC U1001. Refer to  DTC LOGIC  . 
  • 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. CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition Possible cause
P1574 ASCD VHL SPD SEN
(ASCD VHL SPD SEN)
ECM detects a difference between two vehicle speed signals is out of the specified range.
  • Harness or connectors

    (CAN communication line is open or shorted.)

  • ABS actuator and electric unit (control unit)
  • TCM
  • ECM