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.
| Gear | Shift SOL 1 | Shift SOL 2 | 1 - 2 - 3 - 4 CL PC SOL 5 N.L. | 2 - 6 CL PC SOL 4 N.L. | 3 - 5 REV CL PC SOL 2 N.H. | LOW REV 4 - 5 - 6 CL PC SOL 3 N.H. | 6L45 6L50 Gear Ratio | 6L80 6L90 Gear Ratio |
|---|---|---|---|---|---|---|---|---|
| Park | ON | ON | OFF | OFF | OFF | ON | - | - |
| Reverse | ON | OFF | OFF | OFF | ON | ON | 3.200 | 3.064 |
| Neutral | ON | ON | OFF | OFF | OFF | ON | - | - |
| 1st Braking | ON | ON | ON | OFF | OFF | ON | 4.065 | 4.027 |
| 1st | OFF | ON | ON | OFF | OFF | OFF | 4.065 | 4.027 |
| 2nd | OFF | ON | ON | ON | OFF | OFF | 2.371 | 2.364 |
| 3rd | OFF | ON | ON | OFF | ON | OFF | 1.551 | 1.532 |
| 4th | OFF | ON | ON | OFF | OFF | ON | 1.157 | 1.152 |
| 5th | OFF | ON | OFF | OFF | ON | ON | 0.853 | 0.852 |
| 6th | OFF | ON | OFF | ON | OFF | ON | 0.674 | 0.667 |
| For shift solenoids 1 and 2, "ON" = Solenoid Energized (Pressurized) "OFF" = Solenoid De-energized (No Pressure). For pressure control solenoids, "ON" = Pressurized, "OFF" = No Pressure |
||||||||