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Home >> Cadillac >> 2018 >> Escalade Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Automatic Transmission - 8L90 (M5U) - Diagnostic Information And Procedures) >> Diagnostic Information And Procedures >> DTC P0796 Or P0797: Transmission Control Solenoid Valve 3 Stuck >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • DTC P0796, P0797 sets only when there is a hydraulic/mechanical problem.
  • The components are listed from the least to the most intrusive to service.
  • Verify the conditions listed in the table do not exist:
Component DTC Condition
Q77C Transmission Control Solenoid Valve 3 P0796, P0797
  • Binding, sticking or stuck component: Solenoid Valve
  • Damaged or missing component:
    • Retaining Clip
    • Solenoid Valve
1-3-5-6-7 Clutch Regulator Valve P0796, P0797
  • Blocked or restricted component: Screen - Fluid/oil passage
  • Binding, sticking or stuck component: Valve
  • Debris on the component.
  • Damaged component:
    • Valve or Bore - Scored
    • Spring
1-3-5-6-7 Clutch Assembly P0796, P0797
  • 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
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