Question about 2001 GMC Yukon

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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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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.

Posted on Oct 29, 2008

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Why does my service 4 wheeldrive light come on on 99 gmc yukon


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1 Answer

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1 Answer

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sound like a relay problem under your hood is a fuse box with relays and fuses check them that should be your problem....

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