Odd problem, rear glass will open when opening tailgate

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frk810

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Hi guys, git a 2012 yukon xl denali with an odd problem, when opening the tailgate, the glass part will open by itself when tailgate is halfway up. I tried to search online but found nothing related to this issue, is there a setting somewhere to disable this?
 

Geotrash

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Hi guys, git a 2012 yukon xl denali with an odd problem, when opening the tailgate, the glass part will open by itself when tailgate is halfway up. I tried to search online but found nothing related to this issue, is there a setting somewhere to disable this?
That's a new one on me and I've been here a while...
 

j91z28d1

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I can see where that would be very annoying.

I got nothing, but maybe pull a fuse or something to disable it.
 

Fless

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A good bidirectional scanner showing live data would likely indicate if both are being commanded to open when you release the liftgate.
 

Joseph Garcia

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Welcome to the Forum from NH.

Lots of knowledgeable folks here who freely share their knowledge, experiences, and perspectives. Knowledge is power.

I hope that you will become a participating member in the Forum's discussions.

Pics of the truck, please.

You are already receiving responses and some suggestions for troubleshooting from the knowledgeable folks on this Forum.
 

mikez71

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Could the liftglass switch be broken, where the change in angle makes contact?

Wiring chafed near the hinge area and grounding under movement? (pink wire)
 
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frk810

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Could the liftglass switch be broken, where the change in angle makes contact?

Wiring chafed near the hinge area and grounding under movement? (pink wire)
i have not checked the wire, the switch itself for the glass is new, ill try to check the mentioned pink wire
 

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