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Home >> Chevrolet >> 2019 >> Cruze Premier, 4D Hatchback >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Automatic Transmission - 9T50 (M3D) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0776 or P0777 >> Diagnostic Fault Information

Diagnostic Fault Information

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NOTE:

The components are listed from the least to the most intrusive to service.

Component DTC Condition
Q77B Transmission Control Solenoid Valve 2 P0776, P0777
  • Binding, sticking or stuck component: Solenoid Valve
  • Damaged or missing component:
    • Retaining Clip
    • Solenoid Valve
  • 2-9 Clutch Regulator Valve
  • Valve Spring
  • Valve Body Bore
P0776, P0777
  • Binding, sticking or stuck component: Valve
  • Debris on the component.
  • Damaged component:
    • Valve or Bore - Scored
    • Spring
2-9 Clutch Assembly - Oil Feed Circuit P0776, P0777
  • Blocked or restricted component: Fluid/oil passage
  • Leaking component:
    • Gasket
    • O-Ring
    • Seal
2-9 Clutch Assembly P0776, P0777
  • Blocked or restricted component: Fluid/oil passage
  • Leaking component:
    • Clutch Piston
    • Clutch Housing
    • Gasket
    • O-Ring
    • Seal
  • Binding, sticking or stuck component: Clutch Plates
  • Damaged or worn component:
    • Clutch Plates
    • Clutch Piston
    • Clutch Housing