2016 Yukon Denali radiator cooling fan runs after engine shut off.

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cleancut41

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The radiator cooling fan on my 2016 GMC Yukon Denali, 117,000, runs on high after start and continues to run for a couple minutes after engine is shut off. This hasn't happened before. The temp gage stayed on zero (160) after a 10 mile drive. No warning lights except oil change reminder, and it is due for that. Any ideas?
Update: On my way home, the temp gage moved to about 190. When I shut the vehicle off the fan stopped as is normal.
 
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xmms

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Did you do anything to fix this? I came here to post the same exact issue with a 2018 Yukon with 114k on it.
 

xmms

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I ran the heat and the thermostat seemed to right itself…for now. But sounds like my next step is is replacing it.
 

Samiam5

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Just replaced mine as it did that too. My husbands Chevy Silverado 15 has same issue. Needs to be replaced
 
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