An OBD-II scan tool is an incredibly useful automotive diagnostic device, but it's not magic. Here's what it can and can't do ...

If you’re not sure which OBD2 code reader to buy, we've found the perfect one for you at Walmart. Right now, the bestselling ...

Most of us are unlikely to consider that connecting a cell phone via USB to our cars or sticking an aftermarket remote starter in the diagnostic port under the steering wheel could pose a threat to ...

There is a freedom that comes with being able to diagnose and fix issues your vehicle may be having. Sure, we can’t do everything on our own, but we also don’t have to run to the mechanic and spend ...

We earn commissions from purchases you make using links in our articles. Learn more. If your car or truck’s check engine light is on, there’s a stumble when accelerating, or if the transmission just ...

If you own a car built after 1996, it comes equipped with a second-generation onboard diagnostic (OBD or OBDII) system. These systems work together with the vehicle's primary computer or powertrain ...