Tailgate issue 2012 Tahoe

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Bernie Considine

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Good afternoon,

I have a 2012 Tahoe with a power tailgate. Whenever I use the button inside the truck or on the font, the gate opens, pauses, opens fully, 1-2 seconds later the tailgate closes. When it closes, the rear suspension drops briefly. Additionally, the tailgate will not remain open when the power button is turned off. I purchased the truck certified-used and have less than 55k. Is the truck still under warranty (2/2013 was original purchase date of 1st owner).
 

NathanJax

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Welcome to the forum. This is talked about a lot here. First thing I would do is swap out the gas shocks for new ones. If they are worn and the sensor feels like it's not opening properly, it will close it.
 

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