I've read through the whole whopping 20 page UpRev installation manual and the only thing I can find ISO K line related is a fuse marked yellow in a print so I'm unsure what to do with the very little information I have about it. Unplug the fuse maybe? Even then seems to me like that would disable my ISO even worse not help it out. Maybe I did just have a bad connection at the OBDII port or there's a wiring harness unplugged somewhere that I'm unaware of. I think I'm just going to call UpRev first thing this morning and see if they can point me in the right direction.
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