There are several slightly different variations to the cable, at least three types have an almost identical appearance, but the wiring and PCB is just visible through the translucent case to allow you spot some differences.  I have tried the cheapest one of them, it works on a canbus equipped car (Auris 2013) with Techstream, but does not work with an older protocol used with Techstream (K-Line?) on a 2001 Corolla (or a 2006 Mazda when just used as a generic OBDII cable). Although the adver
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