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TCM what is it function and how the TCM works?

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TCM what is it function and how the TCM works?

Vehicle: Nissan

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Transmission Control Module (TCM) controls the transmission’s solenoids and valves to enable the transmission to shift gears mechanically. The TCM receives the signal from the Engine Control Module (ECM) and other sensor to judge when on how is the best time to change gears.

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