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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Automatic Transmission - JATCO CVT) >> Description and Operation >> Electronic Component Description >> Transmission Control Module (TCM)

Transmission Control Module (TCM)

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.

The vehicle driving status is judged based on the signals from the sensors, switches and other control units and the optimal transmission control is performed.