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Home >> Chevrolet >> 2012 >> Cruze Eco, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 155 (Automatic Transmission - 4T45-E - Description And Operation) >> Description and Operation >> Automatic Transmission Hydraulic Diagrams >> Park - Engine Running (W/O Electronic Range Select Mode) >> Low and Reverse Band Applies >> 1-2 Shift Solenoid Valve

1-2 Shift Solenoid Valve

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

Energized by the PCM, the normally open 1-2 shift solenoid valve is On and blocks the 1-2 signal fluid from exhausting. The 1-2 signal fluid pressure acts on the 1-2 and the 3-4 shift valves.

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