Tag: PCM
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The brain of a car engine: PCM (Powertrain Control Module)
A powertrain control module (PCM), also known as the engine control unit (ECU) or module (ECM), is an electronic device that regulates many of a vehicle’s important functions and has a direct impact on how well the car runs. Most vehicle manufacturers began including PCMs during the 1980s, and the computer system has become standardized…