Learn what that pesky dashboard light means before heading to the shop — and maybe save some cash in the process.

Is your check engine light on? We can't fix that. But we can point you to the right OBD2 scanner to diagnose all kinds of… ...

Some scanners just read codes, while others are more complex, monitoring real-time data. All OBD devices plug into a standardized port, usually under the steering wheel. All OBD devices read ...

It tells you the code number and gives details ... or leaning across the seats on cars with awkward OBD port locations. Aldi’s wired reader is one of the cheapest ways we could find of reading ...

In short, effective vehicle diagnosis combines mechanical knowledge, specialized tools, and a systematic approach to ...

The current version of the on-board diagnostics (OBD) protocol provides real time data as well as fault diagnostics, thanks to the numerous sensors connected to the data network in the modern vehicle.

But you get a HUD with a self-contained projection screen, the ability to scan for and alert you to OBD fault codes, and an absolute smorgasbord of information. Plus, it costs just $56.