![]() ![]() The ECM (engine control module), TCM (transmission control module), and PCM (powertrain control module) are the primary computers of a car. They may also cause electrical faults, which can make an experienced mechanic lose his cool. ![]() Their failures can lead to mechanical breakdowns, such as hose burst, bolt strip, and gasket failure. However, the use of engine control modules comes with their disadvantages. While older model vehicles relied on a mechanic to manage all of these features, current cars use computers, which improve performance, efficiency, and safety. Such features include the capability to adjust the gear ratio and air-to-fuel proportion while in motion. The intricacy of today’s vehicles, including Nissan vehicles, makes them rely on the ECM to manage their various features.
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