2001 GMC Yukon Logo
Posted on Oct 23, 2008
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2001 gmc yukon

My service 4wd light comes on sometimes when driving then is gone when i turn off and restart car what this mean?

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Marvin

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  • GMC Master 85,242 Answers
  • Posted on Oct 29, 2008
Marvin
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Joined: Jun 20, 2008
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This means there is a fault in the four wheel drive system, the light reset's each time the key is turned off, then it tests itself after the engine is started, if the fault occurs again the light will come back on.

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