A vehicle cannot operate safely without a working engine control module. Some manufacturers refer to an ECM as an engine control unit or ECU. Find out more about what this on-board computer does, and which vehicles are most likely to rely on an ECM. It can also be helpful to recognize the most common indicators […]
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A powertrain control module combines the functions of engine and transmission control modules. Most late model vehicles feature a PCM with integrated ECM and TCM systems. A powertrain module may appear to be a single unit on the outside, but this component usually consists of engine and transmission modules that have separate processors. PCMs began […]
Never Ignore These Vehicle Symptoms –They May Indicate a Bad Engine Control Module Automobiles today can cost as much as a starter home. There are good reasons for this sticker shock, though – they are as different from older cars as a smartphone is to the old rotary dial phones. They also last far longer; […]