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  1. J

    Service 4WD light on 99 Tahoe

    sorry to pull up an old thread like this. I am having this same issue and no connector in the #13 of the data link to read the TCCM code.
  2. J

    New

    Newly registered, will be lurking & looking for help on the dreaded autotrac 4 wheel drive service light on my 99 Tahoe. And other issues as they occur.
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