This scanner has paid for itself already. I used it to correctly diagnose several problems -- even contradicting a dealer's diagnosis (they later admitted I was right) with a faulty O2 sensor.
True the codes are obscure--this isn't the scanner's fault, but rather the automotive manufacturers'. For whatever reason (i.e., greed), they choose to create proprietary codes that only their "high tech" scanners can turn into meaningful text. To combat this, the power of teh internets come to the rescue! I've plugged whatever code into my favorite search engine and come up with the answer every time.
For the one guy who said this scanner was junk because it didn't keep the check engine light off, my advice is to dispense with trying to "fix" your car by yourself and just take it to a mechanic. The SCANNER'S PURPOSE IS NOT TO TURN OFF THE CHECK ENGINE LIGHT. The purpose _IS_ to help you figure out what is wrong with your car. If the problem isn't fixed, the light will keep coming back on again and again.
** THE DOWNSIDE: The cable had a warning label that concerned me and would make me think twice about purchasing this over a similar scanner. According to the label, the connecting cable has lead in the coating, and the user is warned to "Wash your hands after handling." Why there is lead in a cable is beyond me. I'm concerned that my kid might come in contact with the scanner and either rub his eye or touch his fingers to his mouth--VERY BAD! Of course, I keep all my dangerous tools locked up, but now this is one more thing.
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