In more recent automatic transmissions, the valves are managed by solenoids. These solenoids are Laptop-controlled, While using the gear assortment made a decision by a committed transmission Manage device (TCU) or at times this perform is built-in to the engine Command unit (ECU). Modern types have replaced the centrifugal governor https://gearbox-auto20852.blogars.com/32704420/new-step-by-step-map-for-gearbox-auto