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Home >> Chevrolet >> 2010 >> Cobalt LS, 4D Sedan, Automatic >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4T45-E - Description And Operation >> Description and Operation >> Automatic Transmission Hydraulic Diagrams >> Overdrive Range, 4-3 Downshift - Torque Converter Clutch Not Applied (W/O Electronic Range Select Mode) >> Intermediate and Fourth Band Releases >> 1-2 Shift Solenoid Valve

1-2 Shift Solenoid Valve

The PCM de-energizes the normally open solenoid valve and the 1-2 signal fluid exhausts.

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