Imagine quickly diagnosing why your car's check engine light is on. A scan tool, also known as a trouble code reader, can help you identify the problem yourself.

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

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 ...