2016 No start

[JcMont]

Experienced something a bit unusual yesterday, 2016 6.2L wouldn't start. Key on, no crank, tried that a few times, then waited a few minutes. After the wait she would then crank over but not start, again, tried that a few times and waited a couple min. Finally she fired up but wasn't running on all cylinders so repeated the process and she finally cleared up.

Anyone else have an issue like this before?

 

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[Brianibew]

Maybe check for some stored codes?  That may at least help point you in a direction.

Edited December 27, 2018 by Brianibew

[diyer2]

Codes?

Battery?

Grounds?

 

[JcMont]

There was no codes, no engine light, grounds are all good. Only thing U can think of it that it was locked with the onstar app and parked for a few days.

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[Hillwood]

Get the battery tested.. Sounds like a low voltage concern.

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[JcMont]

I think it was a computer issue of some sorts. Had plenty of battery, and has not done it since.

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