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Home >> Pontiac >> 2008 >> Torrent GXP, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 148 (Automatic Transmission - AF33-5 - DTC P0115 To DTC P280A) >> DTC P0962, P0963, P0966, P0967, P0970, or P0971 >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

The three linear pressure control (PC) solenoids are installed directly in the transmission valve body (V/B) and use pulse width modulated signals from the transmission control module (TCM) to control transmission pressures. The TCM varies the current to the PC solenoids from 0.1 amps, for maximum pressure to 1.1 amps, for minimum pressure. Internal current monitors within the TCM provide feedback in order to determine actual PC solenoids current draw.

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