Diagnostic Fault Information

WARNING: This page is about a different car, the 2023 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

DTC P2731 will set with a hydraulic/mechanical condition.
DTC P2732 will set with a hydraulic/mechanical condition or high resistance in the circuit of the component Q77F without setting component/control circuit DTCs.
DTC P2733 will set with a hydraulic/mechanical condition.
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
Q77F Transmission Control Solenoid Valve 6	P2731, P2732, P2733	Binding, sticking or stuck component: Solenoid Valve Damaged or missing component: Retaining Clip Solenoid Valve
Clutch Select Valve Valve Spring Valve Body Bore	P2731, P2732, P2733	Binding, sticking or stuck component: Valve Debris on the component. Damaged component: Valve or Bore - Scored Spring
Selectable One Way Clutch 6-7-8-9- Clutch Regulator Valve Valve Spring Valve Body Bore	P2731, P2732, P2733	Binding, sticking or stuck component: Valve Debris on the component. Damaged component: Valve or Bore - Scored Spring
Selectable One Way Clutch 6-7-8-9- Clutch Regulator Valve - Oil Feed Circuit	P2731, P2732, P2733	Blocked or restricted component: - Fluid/oil passage Leaking component: Gasket O-Ring Seal
2 - 9 Clutch Assembly	P2731	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
1-Reverse and 1-2-3-4-5-6 Clutch Piston Housing	P2731	Stuck
6-7-8-9 Clutch Assembly	P2731, P2732, P2733	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