Here’s how it works. The best OBD-II scanners can unlock the secrets of your car, connecting to the onboard computer and giving you access to the information it contains. Whether there's a ...

CEL Doctor: The ANCEL AD310 is one of the best-selling OBD II scanners on the market and is recommended by Scotty Kilmer, a YouTuber and auto mechanic. It can easily determine the cause of the ...

Read on to learn more about OBD2 scanners, including how they work and their plusses and minuses. An OBD2, or OBD-II, scanner ...

To identify, diagnose, and clear these codes, we use special tools called OBDII scan readers or scanners. If you don't have access to a scan tool or aren't sure how to use a code reader to clear ...