Hot Day / Power Steps Not Extending

[TChas999]

I have a strange occurrence. Whenever it is hot outside (+95 degrees) my 2020 GMC Denali Ultimate factory power steps occasionally don't extend. It makes the same noise as when it does extend, but nothing happens. I have to close the door and re-open, and then they will extend. This happens randomly, on both driver and passenger sides. I've already climbed underneath and lubed all the moving parts with silicone spray. Anyone have any other ideas for a solution?

 

[TChas999]

Still acting up....

 

[Jake707]

my wifes '17 yukon does this every now and then as well. I havent noticed any pattern of when it happens. Just sometimes it wont come out, I can hear the motor try at first but then it stops. I close the door and re open and it works.

 

[TChas999]

Yeah same, thats annoying though. There’s gotta be a reason. Anyone else have any ideas?