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Home >> Chevrolet >> 2024 >> Tahoe Commercial, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 10L80 (MHS MHU MQC) - Diagnostic Information And Procedures (2 Of 2) >> Diagnostic Information and Procedures >> DTC P2714 or P2715 >> Diagnostic Fault Information

Diagnostic Fault Information

NOTE:
  • DTC P2714 will set with a hydraulic/mechanical condition or high resistance in the circuit of the component Q77D without setting component/control circuit DTCs.
  • DTC P2715 will set with a hydraulic/mechanical condition.
  • The components are listed from the least to the most intrusive to service.
Component DTC Condition
Direct Overdrive Sun Gear Shaft P2714, P2715 Damaged or missing component: Input Internal Gear Retaining Ring
Q77D Transmission Control Solenoid Valve 4 P2714, P2715
  • Binding, sticking or stuck component: Solenoid Valve
  • Damaged or missing component:
    • Retaining Clip
    • Solenoid Valve
  • 1-2-3-4-6-7-8-10-R Clutch Regulator Valve Gain Valve
  • Valve Body Bore
  • Valve Spring
P2714, P2715
  • Binding, sticking or stuck component: Valve
  • Debris on the component.
  • Damaged component:
    • Spring
    • Valve or Bore - Scored
  • 1-2-3-4-6-7-8-10-Reverse and 1-3-5-6-7-8-9 Clutch Regulator Valve
  • Valve Spring
  • Valve Body Bore
P2714, P2715
  • Binding, sticking or stuck component: Valve
  • Debris on the component.
  • Damaged component:
    • Spring
    • Valve or Bore - Scored
1-2-3-4-6-7-8-10-R Clutch Assembly - Oil Feed Circuit P2714, P2715 Blocked or restricted component: Screen
1-2-3-4-6-7-8-10-R Clutch Assembly P2714, P2715
  • 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 Housing
    • Clutch Plates
    • Clutch Piston