It's my view everyone should own an OBD scanner, and you can read why on Motofomo. My readers by and large are of the same view, as you can see here:
Michael Haworth I run one and use it on most trips…
Once a month or so, I'm out in the bush with friends and family, camping or just exploring. I'd do it more often, but I reserve a few weekends a year for competing in a state car racing championship, or researching content…