The CarScan Pro allows you to send commands to your vehicle to test the functionality of a given system, just like a tech at a dealership. Yet what separates the CarScan Pro diagnostic scanner from most OBD2 scan tools is bidirectional control - a feature sometimes called active testing. This car diagnostic tool can even predict a DTC that's likely to flash in the near future. It ranks faults based on importance and shows 'Freeze Frame' data, or a snapshot of exactly what was going on in the car when its control electronics triggered the trouble code to begin with. 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. If you want to know what's going on inside your vehicle's operations - and possibly save some money while you're at it - you'll need an OBD2 scanner. You may see your mechanic pull this out to diagnose your vehicle through the fault codes that it pulls, but it's a tool that any car owner can use. This scanner is vital for understanding, maintaining, and repairing modern vehicles. How do you determine what's tripping the check engine light? That's where an OBD2 scanner comes in. With auto technology becoming more advanced, having a complex computer in your car can be challenging unless you're a computer programmer. And the easiest way to make sure all of your vehicle's electronics are in working order is with an OBD2 scanner. It's even more important when it comes to life-saving safety features such as seatbelts, indicator lights and mirrors. That means maintaining your car's electrical system is just as critical as the engine, brakes or suspension. Modern models have incorporated electronics and computer chips to help manage and optimize their mechanical components.

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