The PCM or Powertrain Control Module of your car is a critical automotive component or rather a combined control unit. Like human brain, which controls and coordinates the different functions and activities of human body, PCM acts as the br…

An engine control unit(ECU), now called the powertrain control module(PCM), is a type of electronic control unit that controls a series of actuators on an internal combustion engine to ensure optimal engine performance. It does this by read…