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2000 GMC Yukon Question: transmission problem

 

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bread, Thurmond, WV, October 27, 2009, 06:39
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I had a new transmission installed in my 2000 Yukon and it is having trouble still shifting into any gear but drive and reverse. Could this be a wiring problem? Or could it be something else?

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  • Answer #1

    sinautoscan.com October 27, 2009, 06:59
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     Master

    It could be the TCM transmission control module or a sensor somewhere i would get the Transmission diagnose with a special scan tool to try to find the problem

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