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Denny

Denny 1/28/2012

2004 GMC Yukon XL 2500 SLT 8 Cyl 6.0L

Transmissions & Drivetrains

Why does the transmission shift into auto 4x4 randomly while driving?

140k on Yukon, occasionally it will shift into auto4x4 while driving. If I shut the vehicle off, then restart, it will clear ........ any advice is welcome.

1 Answer


Mooch

Mooch 1/28/2012

A common fault is the 4WD switch (the actual button you press to turn on 4WD). The circuit board in the switch goes bad.

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