Engine code readers, often called scan tools, are devices used for retrieving diagnostic trouble codes (DTCs) stored in a vehicle's electronic control unit (ECU). These tools interface with the vehicle's computer system through a standardized connector, allowing technicians and individuals to identify and troubleshoot various engine and system issues. By reading and interpreting the DTCs, mechanics can quickly pinpoint the source of the problem, reducing diagnostic time and potentially preventing costly repairs. Whether it's a professional mechanic or a DIY enthusiast, having access to an engine code reader empowers individuals to make informed decisions about their vehicle's maintenance and repairs.
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