An OBD2 scanner is like having a mechanic in your glovebox, giving you instant insight into your car’s health. From reading and clearing check engine codes to monitoring live data, these devices can ...

The OBD-II system, mandated since 1996, has transformed vehicle diagnostics by standardizing access to fault codes across makes and models, enabling faster and broader repairs. Modern platforms like ...

There are few things in life as universally anxiety-inducing as the sudden, glaring illumination of the “Check Engine” light.

The check engine light is the worst kind of message. It tells you something is wrong without telling you what, and the dealership will happily charge a hundred and fifty bucks to plug in a scanner and ...

It's never a good time when one or more dashboard lights decide to turn on. While some dashboard lights are more common and easier to explain, others require a bit more insight to figure out what's ...

CORRECTION 3/1/26: This story has been updated from an earlier version that incorrectly stated that Matt Sanford worked for HP Tuners. If you just can't wait for the hybrid all-wheel-drive Corvette ...

Not so long ago, before software and electronics became so integrated, investigating car trouble and tuning performance was a mostly mechanical affair. Early electronic scanners and systems were brand ...

Most people don’t start searching for an OBD2 scanner because they’re curious — they start because a warning light refuses to go away. ABS light on. Airbag (SRS) light glowing. The car still drives ...

The world of car diagnostics has changed a lot over the last 50 years. Back in the '70s and earlier, a mechanic's most valuable diagnostic tools were usually their eyes and ears. You could figure out ...

GM GDS2 Lite is a lightweight diagnostic utility for General Motors vehicles, including Opel, Chevrolet, Buick, and Cadillac. It allows technicians and enthusiasts to read and clear fault codes, ...

When your car needs repairs, few tools are more valuable than an OBD2 scanner. A check engine light only tells you that something’s wrong, but an OBD2 scanner can tell you exactly what it is. The ...