![]() ![]() OBD2 isnt just one “language”, it has multiple different protocols. ![]() It is used to communicate to all the modules in the car and allow scantools such as the tech2 to request specific information such as faults and even allow clearing them!. So, OBD2 is the protocol (language) that pretty much all newer cars communicate over. So here is another crash course in OBD2, cars supported, available software and some raw communication breakdown to define the difference between protocols! it can be hard to find which ones are reliable! And there are so many OBD2 cables out there. Now, theres actually HEAPS of information out there about OBD2 diagnostics, although it can all become a bit confusing since OBD2 isnt just one “language”, theres actually a few different protocols that cars talk over. ![]() Recently I just posted up a thread about ALDL diagnostics, for those interested check it out here: Everything to know about aldl diagnostic cables ![]()
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