FixVault

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 DTC Detecting Condition Possible Cause
P1574 ASCD vehicle speed Sensor The difference between the two vehicle speed signals is out of the specified range.
  • Harness or connectors

    (The CAN communication line is open or shorted.)

  • Unified meter and A/C amp.
  • ABS actuator and electric unit (control unit)
  • Wheel Sensor
  • TCM
  • ECM