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2. Electronic control unit - Wikipedia

   en.wikipedia.org/wiki/Electronic_control_unit

   An electronic control unit (ECU), also known as an electronic control module (ECM), is an embedded system in automotive electronics that controls one or more of the electrical systems or subsystems in a car or other motor vehicle.

3. Transmission control unit - Wikipedia

   en.wikipedia.org/wiki/Transmission_Control_Unit

   A transmission control unit (TCU), also known as a transmission control module (TCM), or a gearbox control unit (GCU), is a type of automotive ECU that is used to control electronic automatic transmissions. Similar systems are used in conjunction with various semi-automatic transmissions, purely for clutch automation and actuation.

4. Automotive electronics - Wikipedia

   en.wikipedia.org/wiki/Automotive_electronics

   The earliest electronic systems available as factory installations were vacuum tube car radios, starting in the early 1930s.The development of semiconductors after World War II greatly expanded the use of electronics in automobiles, with solid-state diodes making the automotive alternator the standard after about 1960, and the first transistorized ignition systems appearing in 1963.

5. Ford PowerShift transmission - Wikipedia

   en.wikipedia.org/wiki/Ford_PowerShift_transmission

   Ford has released fixes of the seals and updated clutch kits. There were also issues with the transmission control module such as faulty connector pins, shifter motors failing, and a poorly connected main ground wire due to paint on threads or an incorrect bolt being used during assembly. These transmissions were still installed into Focus and ...

6. Powertrain control module - Wikipedia

   en.wikipedia.org/wiki/Powertrain_control_module

   A power-train control module, abbreviated PCM, is an automotive component, a control unit, used on motor vehicles. It is generally a combined controller consisting of the engine control unit (ECU) and the transmission control unit (TCU). On some cars, such as many Chryslers, there are multiple computers: the PCM, the TCU, and the Body Control ...

7. Allison Transmission - Wikipedia

   en.wikipedia.org/wiki/Allison_Transmission

   Hybrid Control Modules (Transmission Control Module, TCM; and Vehicle Control Module, VCM) Allison characterizes the system as the "Two-Mode Compound Split Parallel Hybrid Architecture" . [ 40 ] : 4 As installed in buses, the E P System has two operating modes or speed ranges, with the changeover generally occurring between 15 and 25 mph (24 ...