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U1016 Diagnostic Trouble Code Discussion for January 2012

Serial Communications Malfunction

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Trouble Ticket Help Requests for DTC U1016
Help Request Posted
2007 Chevrolet Cobalt LS 2.2L No Start VIN: 1G1AK15F47
U1016: Lost communication with pcm/TCM. Someone please show me the light! It's so dark in this poor little Chevy. I'm a mobile ECM programmer and do diag for shops only. I was called in to program the PCM, I have flashed 150+- GM vehicles. When the programing was about 50% done I lost communication ...
January 02, 2012