Diagnostic Fault Information
WARNING: This page is about a different car, the 2020 Buick Regal and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The components are listed from the least to the most intrusive to service.
| 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:
|
| 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
|