Diagnostic Fault Information
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Cadillac Escalade EXT. However, it is still accessible from the selected car via links, so may be relevant.
The following fault table will help determine if a hydraulic circuit or an incorrect position or application of a component affects the transmission operation.
| Component | Cause | DTCs |
|---|---|---|
| 1-2-3-4 and 3-5-R Clutch Housing Assembly | 1-2-3-4 clutch backing plate retaining ring not seated, causing the piston to over-travel and cut 1-2-3-4 clutch piston seal | P0736 |
| Automatic Transmission Fluid Filter Assembly | Oil filter loose or damaged | P0736 |
| Center Support Assembly | Center support fluid passage seal assembly, incorrectly installed, cut or damaged | P0736 |
|
P0756 | |
| Control Solenoid (w/body and TCM) Valve Assembly | Clutch Pressure Control Solenoid 3:
|
P0736 |
| Fluid Pump Cover Assembly | Fluid pump cover vanes and fluid pump rotor broken | P0736 |