Malfunction Indicator light on a 2009 Hyundia XG350 stays on? How do I fix the problem with the malfunction indicator light?

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06 Jul, 2012

  • 78%
    Solved this issue
  • 91min
    Time to fix
  • 58%
    Recommend to DIY
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Hello
The engine and transmission in this cars drive train are fully electronically controlled by a computer called the PCM (Power Train Control Module). Whenever a problem like this occurs the computer stores a record of the problem (there are of course some exceptions to this, like the fuel pump for instance) in the form of a fault code in its memory, to read these fault codes you must have the systems memory scanned with a special tool. Once the fault code(s) are read you then must perform the appropriate diagnostic testing to find and resolve the problem(s) DO NOT REPLACE ANY PARTS UNTIL THE DIAGNOSIS & TESTING IS COMPLETED.

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