We've all been there: you're driving along, minding your own business, when all of a sudden your check engine light comes on or you begin to hear a mysterious rattle that you can't quite identify. At ...

Most code readers should also be able to clear codes, meaning you can erase whatever trouble code the car has logged to trigger the warning light in question.

Having a hard time interpreting the car codes your dashboard is displaying? Car codes can be confusing, so here are the best OBD2 scanners for reading, analyzing and clearing diagnostic trouble ...

Like most code readers, the FIXD module plugs into your vehicles OBD-II port and uses Bluetooth to connect to your phone. The App will connect to your car and give you all the current information.

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

The Bluetooth OBD2 Scanner Full Systems Car Code Reader with 15 Maintenance Functions Automotive Diagnostic Equipment Tester Tool is available in our deals store for just $99.

Launch Launch Creader 4001 OBD2 Scanner Diagnostic Scan Tool Car Code Reader for Turning Off Check Engine Light Reads and Clears Engine Fault Codes $36 at Amazon Credit: Amazon ...

Code readers like this hook up to a port somewhere in the car's dashboard - all modern cars have them - and tap into the engine's computer to transmit the data back to you.

Finding Your Car Radio Code There are a few ways to locate a car radio code, but here are the main ones, in descending order of complexity and cost.