The scanner can reveal the trouble code hiding behind your Check Engine light, but you should not treat that as a definitive diagnosis.

An OBD-II scanner can do much more than read check-engine codes. These five features can help you diagnose problems faster and save money.

If you've ever seen a port by your car's dashboard that can't charge your phone or provide auxiliary power from your vehicle's battery, there's a good chance that it is an OBD (On-Board Diagnostics) ...