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I just had the same issue fixed on my 2013 Volt this week by the dealer. The main issue was the 12-Volt battery was almost 9 years old and it was bad, get yours tested and replaced if needed first. If the issue persists, then the dealer will most likely need to update the HPCM. My dealer did this and updated a few other modules and ran about 4 hours of labor.

But yeah, check your 12-volt battery and go from there.
 
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