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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1686 (Automatic Transmission - 2ML70 - Description And Operation) >> Description and Operation >> Automatic Transmission Hydraulic Diagrams >> Drive Range, Third Gear >> Hybrid Low, 1-2 Clutch Releases >> #5 Pressure Switch

#5 Pressure Switch

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

The applied shift solenoid valve - mode B closes off the PS5 circuit exhaust, allowing fluid pressure in the circuit to build to actuator feed limit fluid pressure. PS5 fluid opens the normally closed #5 pressure switch, signaling the TCM that the transmission is in Drive Range - Third Gear.

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