That indicates that the corresponding control modules have recognized a malfunction in the system and set a trouble code to identify the issue. You will need a professional scan tool, not just a generic code reader to retrieve the codes and that will give you a starting point.
Thursday, February 10th, 2011 AT 8:41 PM
Thanks. Is it expsensive
Thursday, February 10th, 2011 AT 8:47 PM
That depends what the problem turns out to be. The diagnostics average about $100