Misfire starting

2018duramax

New member
My 2018 is having a rough time starting and I am looking for ideas on the issue. It was at the dealer and they have no idea as it didn’t have issues starting for them.
No check engine lights.
Gauges all solid.
New batteries.
55k.

It took 3 cranks to turn the engine over a few days ago. Once it cranks over there’s no loss of power. No issues of any kind. It’s just starting it’s rough and like something isn’t connection in the start up.

Any thoughts ?
 
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