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Home >> Chevrolet >> 2011 >> Impala LS, 3.9 M >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Automatic Transmission - 4T65-E - Description And Operation) >> Description and Operation >> Automatic Transmission Hydraulic Diagrams >> Overdrive Range, Third Gear - Torque Converter Clutch Not Applied >> Transmission Fluid Pressure (TFP) Manual Valve Position Switch

Transmission Fluid Pressure (TFP) Manual Valve Position Switch

WARNING: This page is about a different variant/trim than selected.

Release fluid pressure routed to the TFP manual valve position switch signals the PCM that the TCC is released.