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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 P0776: Pressure Control Solenoid B >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

DTC CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition Possible cause
P0776 PC SOLENOID B
(Pressure Control Solenoid "B" Performance/Stuck Off)
When any of 1 or 2 is satisfied and this state is maintained for 10 seconds:
  1. When all of the following conditions are satisfied:
    • DTC other than the applicable DTC is not detected.
    • Engine speed: More than 625 RPM
    • Selector lever: Other than P/N position
    • CVT fluid temperature: More than -20°C (-4°F)
    • TCM power supply: More than 11 V
    • The difference between instruction pressure of secondary pressure and 10-msec-ago instruction secondary pressure is 0 MPa or more
    • Instruction pressure of secondary pressure: 0 MPa or more
    • Instruction pressure of secondary pressure - secondary pressure: More than 1.2 MPa
    • When all of the following conditions are satisfied and this state is maintained for 1.52 seconds:
      • DTC other than the applicable DTC is not detected.
      • CVT fluid temperature: More than -20°C (-4°F)
      • Selector lever: Other than P/N position
      • Instruction pressure of secondary pressure - secondary pressure: 0.25 MPa or more
  2. When all of the following conditions are satisfied:
    • DTC other than the applicable DTC is not detected.
    • CVT fluid temperature: More than -20°C (-4°F)
    • Selector lever: Other than P/N position
    • TCM power supply: More than 11 V
    • When all of the following conditions are satisfied and this state is maintained for 5.5 seconds:
      • DTC other than the applicable DTC is not detected.
      • CVT fluid temperature: More than -20°C (-4°F)
      • Selector lever: Other than P/N position
      • Secondary pressure - instruction pressure of secondary pressure: 1.2 MPa or more
    • The difference between instruction pressure of secondary pressure and 10-msec-ago instruction secondary pressure is 0 MPa or more
    • Secondary pressure - instruction pressure of secondary pressure: More than 1.2 MPa
Secondary pressure solenoid valve