Once in service, the car is diagnosed using a computer and its available OBD port. For a while now, various electronics manufacturers have begun offering OBD tools to everyone willing to buy them.

Discover what an OBD2 scanner is and how to use it to diagnose and fix car problems before they escalate into major repairs.

Here's how to read OBD codes so that when that Check Engine light pops on, you can use an OBD scanner to find out what’s wrong with your vehicle ...

Looking for information on how to use an automotive diagnostic tool? Our team of experts narrowed down the best tips on how to use an automotive diagnostic tools. Read this review and save ...

A quick way to precisely diagnose myriad automotive problems-or at the very least get a rough idea of what might be wrong-is to use an automotive scan tool. Here's what these pint-sized computers ...

The OBD (On-Board Diagnosis) system in your Toyota Corolla will enable you to see what’s wrong with it without going to the service if you choose the low-budget DIY way.

We've compiled a list of some of the best OBD2 diagnostic scanners describing their features, specifications, compatibility, and benefits.

Best OBD readers 2025 Which reader is the best for analysing your car’s health?

How to Use a Scan Tool There are countless scan tools on the market today. Some are available from major retailers for less than $30, while other, professional-grade offerings can cost thousands ...