I have a 2010 cobalt 2.2 I have downloaded the tune and was fixing other things on vehicle , tires alignment transmission pressure switch anf fluid and filter change . after all that I cranked car all was good fluid levels were good took for test drive shift good drove good went about 1.5 miles tuned around car died and now turn key and nothing gauges come on but I cannot get it to start,turn over or anything checked dtc's got some codes
PO442
PO606
PO607
PO700
p2764
I checked and replaced the battery and checked ground connections on ecm and tcm checked all the fuses and relays I am at a loss about why it will not turn over or start
ANY HELP DIAGNOSING THIS GREATLY APPRICIATED