Your vehicle is equipped with a computer. The computer monitors nearly everything. If there is a problem, it records the problem and stores it. Using an OBD2 scanner, a person retrieves trouble codes from the computer.
Here is a guide to show you how
check this video
There are many different codes. Each one identifies a different problem. Once the code is obtained, a shop or anyone can look up the code and identify where the problem is coming from.
I am not sure where you are located, but most nationally recognized parts stores will scan it for free and tell you what they find.
If you get the code, let me know and I can tell you what it means.
Monday, December 12th, 2011 AT 2:49 AM