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Home >> Cadillac >> 2009 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Automatic Transmission - 2ML70 - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> 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 variant/trim than selected.

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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