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Home >> Chevrolet >> 2017 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Automatic Transmission - 9T50 (M3E) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2820 or P2821: Transmission Control Solenoid Valve 9 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different variant/trim than selected.
NOTE: The components are listed from the least to the most intrusive to service.
Component DTC Condition
Q77J Transmission Control Solenoid Valve 9 P2820, P2821
  • Binding, sticking or stuck component: Solenoid Valve
  • Damaged or missing component:
    • Retaining Clip
    • Solenoid Valve
  • Clutch Selector Valve
  • Valve Spring
  • Valve Body Bore
P2820, P2821
  • Binding, sticking or stuck component: Valve
  • Debris on the component.
  • Damaged component:
    • Valve or Bore - Scored
    • Spring
Oil Feed Circuit P2820, P2821
  • Blocked or restricted component: - Fluid/oil passage
  • Leaking component:
    • Gasket
    • O-Ring
    • Seal