What is your question?
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What is your question?
2015 Tahoe. All electric dead for about 15 minutes after shutting engine off. After 15 minutes all is normal.
What makes this problem better or worse?
Dead for only 15 minutes after shutting engine off, then back to normal
How long has your 2015 Chevrolet Tahoe had this problem?
2 weeks
Correct
I would start by checking all electrical connections for the battery. Ensure they are secure and free of corrosion. I would look for possible damage or moisture in the fuse box under the hood. Something odd is happening, and unfortunately -- no good guesses to be offered. Hands on evaluation is needed.