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Home >> Chevrolet >> 2009 >> HHR SS, Automatic >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4T45-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Description And Operation >> Automatic Transmission Hydraulic Diagrams >> Manual Second Gear (With Electronic Range Select Mode) >> Intermediate and Fourth Band Applies >> 1-2 Shift Valve

1-2 Shift Valve

The 1-2 shift solenoid valve is Off when the PCM commands the Second gear. A spring force holds the 1-2 shift valve in the upshifted position. Intermediate band feed fluid is routed through the valve and into the intermediate band fluid circuit.