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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 P0841: Transmission Fluid Pressure Sen/SW A >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

DTC CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition Possible cause
P0841 FLUID PRESS SEN/SW A
(Transmission Fluid Pressure Sensor/Switch "A" Circuit Range/Performance)
When all of the following conditions are satisfied and this state is maintained for 5 seconds:
  • TCM power supply voltage: More than 11 V
  • DTC other than the applicable DTC is not detected.
  • Primary pulley speed: 300 RPM or more
  • Secondary pulley speed: 250 RPM or more
  • Target speed for shifting: Less than 0.1 seconds
  • Primary pulley pressure is outside the specified value.
  • Pulley ratio: 0.5 - 1.0
  • Harness or connectors

    (Secondary pressure sensor circuit is open or shorted.)

  • Harness or connectors

    (Primary pressure sensor circuit is open or shorted.)

  • Secondary pressure sensor