It can run a simulated smog test, evaluate the battery and alternator and show live data for engine operation, anti-lock braking and other systems during a road test. It can scan virtually every individual control module in the car, including more recent developments like tire-pressure monitors in newer vehicles, and not just basic universal systems like the engine and emissions controls. It can decipher virtually every diagnostic trouble code, or DTC, that a car can generate. This dedicated OBD2 scan tool works on nearly all German, Japanese and American-made cars built for North America after 1996. The CarScan Pro delivers pro-grade functionality at a consumer price. DIY types or anyone who wants to know what's happening inside their car - and possibly save a few bucks - can benefit from an OBD2 reader and a basic understanding of what to do about certain fault codes. This type of car scanner is crucial for understanding, maintaining and repairing modern vehicles. While this sophisticated system supports cars as they become more and more technologically advanced, having such a complex computer in your car is a double-edged sword - unless you're a computer programmer, how do you determine what's tripping that dreaded check engine light? Enter an OBD2 scanner. It's even true for safety features like seat belts, malfunction indicator light, mirrors and more. This is true whether we're talking about the engine and transmission, suspension, brakes and emission controls, accessories or even tires.

Many of the mechanical systems in a vehicle are managed by a progressively complicated network of electronic controls and sensors. Control electronics and computer chips, which have been an integral part of cars for decades, are as critical as any mechanical components for a car's operation.

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