Modern cars generate mountains of diagnostic data, and choosing the right OBD-II scanner can make the difference between guesswork and real fixes.

Once upon a time, you could diagnose the culprit of your Mazda MX-5 Miata's check engine light with a paperclip. We now use OBD-II technology for that.

With native J2534 pass-thru and topology mapping, Topdon's new OBD2 scanner line offers a lot of high-tier functionality for the price.

Wheel bearing and ABS sensor tolerances can trigger ABS codes and erratic signals. Learn key diagnostic steps for accurate ...