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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (DTC/Circuit Diagnosis) (1 Of 2) >> Transmission (TCM) >> P0711 Transmission Fluid Temperature Sensor A >> DTC Description

DTC Description

DTC DETECTION LOGIC 

DTC CONSULT screen terms(Trouble diagnosis content) DTC detection condition
P0711 FLUID TEMP SENSOR A(Transmission Fluid Temperature Sensor A Circuit Range/Performance) 1 Diagnosis condition When all of the following conditions are satisfied.
  • TCM power supply voltage: More than 11 V
  • CAN communication is normal
  • Engine speed: 450 rpm or more
  • Accelerator pedal position: 3 deg. or more
  • Vehicle speed: 10 km/h (7 MPH) or more
  • U0100, P0705 and P0706 are not detected.
  • Shift position: "D" position
Signal CVT fluid temperature sensor signal
Threshold CVT fluid temperature does not rise to 10°C (50°F) after driving for a certain period of time with the TCM-received fluid temperature sensor value between - 40°C (-40°F) and 9°C (48.2°F).
Diagnosis delay time -
2 Diagnosis condition All of the following conditions are satisfied within 2 seconds after the ignition switch is turned ON.
  • U0073, U0100, P0712 and P0713 are not detected.
  • CAN communication is normal.
  • TCM power supply voltage: More than 11 V
  • The difference between CVT fluid temperature and engine coolant temperature is 55°C (131°F) or more, or -27°C (-16°F) or less.
Signal CVT fluid temperature sensor signal
Threshold When all of the following conditions are satisfied
  • ECM is normal.
  • Diagnosis condition is satisfied.
Diagnosis delay time Maintained for 300 seconds

POSSIBLE CAUSE 

CVT fluid temperature sensor

FAIL-SAFE