Running Board Issues (2022 Sierra 2500 AT4)

KSEMORY

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I tried to search for previous posts on issues with the 2500 running boards. Is this a common issue? We purchased a 2500 AT4 new and the passenger running board works maybe 25% of the time. We recently had the motor replaced and it is still not working. The dealership claims they are contacting GMC for a solution. So I wanted to tap the consumers to see if anyone is having a similar issue and to see if a solution was found. I have attached a picture of the truck and a picture of the door open with the running board not extended. I have a video of it not working but it says it is too large of a file to attach.
 

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my 2021 Denali passenger step deployed when it wanted to. it was like yours but usually closing and opening the door again made it work.
 

I have a 2023 AT4 and it did this to me once about a month after I bought it while I was at the store. Wouldn’t lock the doors either and it seemed like the system got reset. I got the doors to lock and went about my business , and when I returned, things went back to normal. It’s been over a month and hasn’t done it since.
 

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