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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 32 (AUTOMATIC TRANSMISSION - ALLISON - DIAGNOSTICS (DTCs P0732-P0877)) >> DTC P0757 >> Circuit Description

Circuit Description

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

The pressure switch manifold (PSM) is a multiple-switch assembly made up of 3 normally open (N/O) and 1 normally closed (N/C) pressure switches. The pressure switch 2 (PS2) monitors shift solenoid valve 2 (SS2) positioning and relays it to the transmission control module (TCM). When PS2 is in the open state, SS2 should be in the destroked position.

DTC P0757 is a type A DTC.

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