2009 Chevrolet Impala P0601 code

3.5l stalled while at idle, all dash, radio, a/c still on, unable to restart vehicle, reduced engine power, starting system disabled, service traction warnings. Started after sitting 10 min. drove home, same issue unable to restart. Scanned PCM code PO601

Powertrain control module issue. It MIGHT be covered by the emissions warranty. Take it to the dealer and ask. It likely will cost you a diagnostic fee, but it may be money well spent.