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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (Re0F10J) (Diagnostic Trouble Codes (DTCS), Symptom Diagnosis And R & I) (Except Hybrid) >> DTC/Circuit Diagnosis >> DTC P0744: Torque Converter >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

DTC CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition Possible causes
P0744 TORQUE CONVERTER
(Torque converter clutch circuit intermittent)
When all of the following conditions are satisfied and this state is maintained for 30 seconds:
  • TCM power supply voltage: More than 11 V
  • P0717 is not detected.
  • CAN communication is normal
  • Torque converter slip speed: (40+vihicle speed/2) RPM
  • LU pressure: More than 0.2 MPa
  • Torque converter clutch solenoid valve
  • Control valve assembly
  • Torque converter