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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 P0778: Pressure Control Solenoid B >> 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
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
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