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Home >> Pontiac >> 2008 >> Torrent Base, AWD >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transaxle - AF33-5 - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Description and Operation >> Electronic Component Description >> Transmission Control Module (TCM) (75)

Transmission Control Module (TCM) (75)

Fig 1: Identifying Transmission Control Module (TCM)
GM1973672Courtesy of GENERAL MOTORS CORP.

The transmission control module (TCM) primarily controls shift points and lockup engagement.

The transmission is controlled by an electronic shift system. The TCM processes input signals. From the information received, the TCM controls the transmission hydraulic system.

The electronic shift system consists of the following components: