About a dozen years ago, the world of test had reached an economic impasse: most digital designs had become sufficiently complex that standard scan testing techniques were no longer cost-effective.

Ever since OBDII vehicles became the norm, anyone interested in repairing them must have a scan tool at hand. Some people refer to those devices as scan tools, diagnostic machines, or OBD dongles. In ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Matthew Guay When life gives you paper, your phone can turn it into clear PDF ...