Blind-Spot Light

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Pet982

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I just bought a 2017 Tahoe LT Out of factory bumper but under the dealers 3 mo bumper bumper.

I noticed that the left side blind spot light will light up from time to time when there is no-one there. I believe it will happen more so when it is wet outside or the just is damp (early morning)

Is this normal? could there be a bad sensor.
 

hcvone

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I'm not saying it normal, but all my Escalade's did it, and my callaway tahoe does it from time to time, usually happens to me going fairly slow when there is NOTHING around the truck, happens a few times a month. Welcome to the forum. :)
 

George B

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My 2013 does it too. Seems to be in more winter after driving in snow. Probably water or debris between the sensor and bumper. My bracket was broken so I made some repairs but I am unsure if the problem resolved.
 
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Pet982

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My 2013 does it too. Seems to be in more winter after driving in snow. Probably water or debris between the sensor and bumper. My bracket was broken so I made some repairs but I am unsure if the problem resolved.
After some investigation that's what I found on mine too. 2 of the 3 tabs that hold the radar sensor had come off the bumper cover. I used doubled sided molding/emblem tape (well see how long the repair lasts) Based on the scratches in the cover in that corner I guess the previous owner hit or was hit in that corner to pop the tabs off the cover, no other damage from what I see.
 

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