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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 >> Power Off High Default >> Hybrid Direct, 2-3-4 Clutch Remains Applied >> Shift Solenoid Valve - Mode B

Shift Solenoid Valve - Mode B

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PCS 3 signal fluid pressure acts on a differential area of the shift solenoid valve - mode B, holding the valve in the applied position against shift solenoid valve - mode B spring force. This allows HD 234 clutch/B cooling feed fluid pressure to continue to feed the HD 234 clutch circuit.