I am new to the ODBII arena, so there’s a lot to learn for me. I have a few basic questions related to the code lookup tables, themselves:
- Are the lookup tables in the microcontroller/reader hardware, or are those hosted in whatever app is talking to the reader?
- My understanding is that the codes are manufacturer-specific - or at least a subset of them for a given vehicle. Is that also true?
I’m happy to do my homework on this stuff, but I figured this may be a great place for some pointers to some of the better sources out there.