What Will OBD3 Change About On Board Diagnostics & Your Car? • Carmunity Discussion
OBD 2 has been around for about 25 years and has made DIY diagnosis a lot faster and easier, but technology has changed a lot since 1996. What changes do you think OBD 3 will bring, if it happens at all? If you don't think OBD III will exist at all, why?
OBD2 was a standard put into place to make every car have the same diagnostic port and keep all the codes the same across all makes and models. As a positive side effect, that change made scan tools more affordable and easy to use, which helped make DIY diagnostics and repairs more reasonable. With that in mind, OBD3 should be another step in the right direction, but will it be? The only way to know for sure is when we start hearing about it when it comes out, but speculation is fun and welcome in the comments section.
If you are curious about OBD1, which was simply known as OBD at the time, it was a general on-board diagnostic system that had plugs specific to the manufacturer, and sometimes manufacturers changed their designs over the years, too! It started out as an assembly line diagnostic port that would be used during vehicle construction to make sure electrical equipment was functioning properly.
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