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A PCM from a 1996 Chevrolet Beretta. 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 ...
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.
The powertrain control module (PCM) transmits a signal to the solenoids to move a valve spool that regulates the flow of oil to the phaser cavity. The phaser cavity changes the valve timing by rotating the camshaft slightly from its initial orientation, which results in the camshaft timing being advanced.
It is likely that more Ford vehicles were produced using Engine/Powertrain Control Modules (ECM/PCM) based on variations of this design than any other module that Ford has ever used. Unlike previous EEC systems, EEC-IV uses a small ignition module called the TFI or TFI-IV (Thick Film Integrated Ignition) module.
Ford dealers will update the powertrain control module software free of charge, according to the automaker. Notification letters are expected to be mailed to owners of affected vehicles on Jan. 13 ...
Dealers will update the powertrain control module software free of charge. Owner notification letters are expected to be mailed on Jan. 13. Owners may contact Ford customer service at 1-866-436-7332.
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