Shift Solenoid Valve State and Gear Ratio
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
Range Reference Table
| Range | Gear | 1 - 2 - 7 - 8 Reverse S1 N.H. | 1 - 2 - 3 - 4 - 5 Reverse S2 N.L. | 1 - 3 - 5 - 6 - 7 S3 N.L. | 2 - 3 - 4 - 6 - 8 S4 N.H. | 4 - 5 - 6 - 7 - 8 Reverse S5 N.H. | Default Control S8 | 1 - 2 - 3 - 4 - 5 Rev BST S9 |
|---|---|---|---|---|---|---|---|---|
| Park | P | Low Current | High Current | Low Current | High Current | High Current | Off | Off |
| Reverse | R | Low Current | High Current | Low Current | High Current | Low Current | Off | Off |
| Neutral | N | Low Current | High Current | Low Current | High Current | High Current | Off | Off |
| D | 1st | Low Current | High Current | High Current | High Current | High Current | Off/On | Off |
| 2nd | Low Current | High Current | Low Current | Low Current | High Current | Off/On | Off | |
| 3rd | High Current | High Current | Low Current | Low Current | High Current | Off* | Off | |
| 4th | High Current | High Current | Low Current | Low Current | Low Current | Off* | Off | |
| 5th | High Current | High Current | High Current | High Current | Low Current | Off* | Off | |
| 6th | High Current | Low Current | High Current | Low Current | Low Current | Off* | On | |
| 7th | Low Current | Low Current | High Current | High Current | Low Current | Off* | On | |
| 8th | Low Current | Low Current | Low Current | Low Current | Low Current | Off* | On | |
|
NOTE:
Low current range =.05 -.08; High current range = 1.10 - 1.2 amps
NOTE:
For solenoids S8 and S9, "On" = Solenoid energized (pressurized), "Off" = Solenoid De-energized (no pressure). |
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