A free app for Android, by Trent Applications.

OBD2 Pro Check Engine Car DTC is the ultimate vehicle diagnostic tool that will let you diagnose the engine’s problems and get the specific fault code, as well as the repair information you need to fix the problem. With this app, you can diagnose the fault codes for all the major engine manufacturers. With this app, you will be able to know the exact problem and how to fix it, no matter what your vehicle is.

This tool is extremely easy to use, so you don’t have to spend hours trying to learn how to use it. All you have to do is select the manufacturer and the model of your vehicle, and you will get all the codes, as well as the repair information.