Component Testing
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Perform the Control Solenoid Valve and Transmission Control Module Assembly Inspection .
PC Sol 4 Operation
| Operating Conditions | Normal Operation | Stuck OFF | Stuck ON |
|---|---|---|---|
| Steady State Gears 2, 6 | 2, 6 | Neutral | 2, 6 |
| Steady State Gears 1, 3, 4, 5 | 1, 3, 4, 5 | 1, 3, 4, 5 | 2, 6 |
| Garage Shift | Park/Neutral to Reverse/Drive | Drive Gear | Drive Gear |
| Downshift from gears 3, 4, 5 to 2 | 2 | Neutral | 2, 6 |
| Upshift from gears 2 to 3, 4, 5 | 3, 4, 5 | 3, 4, 5 | 2, 6 |