In more recent automatic transmissions, the valves are controlled by solenoids. These solenoids are computer-managed, with the gear variety determined by a devoted transmission Manage unit (TCU) or from time to time this purpose is integrated in to the engine Manage device (ECU). Modern-day styles have replaced the centrifugal governor https://gearbox-auto31863.blogunok.com/33977769/details-fiction-and-gearbox-auto