Do realize standard OBD2 readers cannot read certain manufacturer specific protocols, eg those that utilizes CAN bus nor they can do programming.
If you just want a reader that read codes and reset OBD codes, you really don't need one that connects to a laptop. But if you want to program certain things eg BMW, VW etc.. or read non engine sensors eg brake, AC etc then you probably better off getting a diagnostic reader that is tailored for your make. Most of them would require you to connect to a laptop (usually a very specific model too if you are not purchasing from the OE).
Last edited by godwin; 05-18-2013 at 01:54 AM.
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