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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 P0778: Pressure Control Solenoid B >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

DTC CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition Possible cause
P0778 PC SOLENOID B
(Pressure Control Solenoid "B" Electrical)
When all of the following conditions are satisfied and this state is maintained for 0.48 seconds:
  • TCM power supply voltage: More than 11 V
  • TCM judges that solenoid valve circuit is shorted to ground.
  • Harness or connectors

    (Secondary pressure solenoid valve circuit is shorted to ground.)

  • Secondary pressure solenoid valve