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Home >> Infiniti >> 2014 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 (Automatic Transmission (Re0F10E) (DTC/Circuit Diagnosis) (Except Hybrid) (2 Of 2)) >> DTC/Circuit Diagnosis >> DTC P0841: Transmission Fluid Pressure Sen/SW A >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
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
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