Im sure my vehicle sat for a few months before i purchased it. Old gas could have been a problem but I ran 3 cycles of gas and still had the engine die. After an oil change it has been 100%. I now am eligable to get it fixed under warranty but now have no issues. My deductible is 100, not a big deal but i have no lights on dash indicating an issue. I am wondering is Oil was low or old. I should have asked the tech if oil was low! Damn

 

Same issue just got it back from GM and they said the following:
FOUND INTERNAL LOSS OF RADIO PROGRAMING CAUSING MULTIPLE COMMUNICATION FAILURES. FOUND CODES B1009, B1001, B1000, U1000, U1301, U1300, B1327, B1025, BB1004, P0601, C0240 SET IN HISTORY. CLEARED ALL DTC'S FOUND RADIO SETTING CODE B1009, B1001 AS CURRENT FAILED. B1009 "RADIO EEPROM" FAILURE", B1001 "RADIO OPTION CONFIGURATION ERROR" PERFORMED SET UP ON RADIO. AFTER SETUP RADIO NO LONGER SETTING ANY DTC'S CODE P0601 SET IN PCM THAT RELAYED A MESSAGE TO EBCM SETTING CODE C0240 WHICH COULD POSSIBLY SET MIL. CODE P0601 "ECM ROM ERROR" MAY HAVE BEEN SET BY CLASS2 FAILURES FROM RADIO. TEST DROVE AND NOTED NO CODES REST DURING TEST DRIVE. NO FURTHER REPAIR PERFORMED AT THIS TIME.

I will wait and see if this fixed the issue if they even did anything. Apparently they updated some software... not seeing that on my paperwork

 

still shutting off. off to the dealer again. will let you all know what the codes are now and fixes

 

UPDATE:
CAUSE: CCC A
J6360 POWERTRAIN CONTROL REPLACEMENT
72394WBDM4
1 19210737 ECM
FC: 11508
PART#: 192210737
COUNT: 1

39133 FAILED ENGINE CONTROL MODULE J6360 FOUND CODE P0601 SETTING CURRENT AND ENGINE STALLING. NOTED CODE U1000 ALSO SETTING IN RADIO BUT NONE OF PREVIOUS CODES SET "sEE HISTORY". FOLLOWED DOCUMENT 1971935. FOUND GOOD POWER AND GROUND TO ENGINE CONTROL MODULE ON ALL CIRCUITS. REPLACED ENGINE CONTROL MODULE. REDROVE 20 MILES AND NO CODES RESET. LET VEHICLE IDLE FOR 2 HOURS IN STALL AND NO CODE SET. REPAIR COMPLETED. PROGRAM CODES 11508 PCM