Join Now
International Automotive Technicians Network

U1016 Diagnostic Trouble Code Discussion for January 2012

Serial Communications Malfunction


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

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
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