Join Now
International Automotive Technicians Network

U0100 Diagnostic Trouble Code Discussion for April 2011

Lost Communication With ECM


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 U0100
Help Request Posted
2007 Chevrolet Silverado 2500 HD LT 6.0L Stall VIN: 1GCHK23K87
U0100: Lost comm. With ecm/ pcm a. Hello when the truck was first here. It cranked ok the first 2-3 times. Than it would not crank at all. The compalint was and still the same when it came back. Going down the road highway speed stall out the cluster would wig out,trnas go into limp mode,and no...
April 02, 2011
2007 Chevrolet Silverado 2500 HD LT 6.0L Stall VIN: 1GCHK23K87
U0100: Lost comm. With ecm/ pcm a. Hello when the truck was first here. It cranked ok the first 2-3 times. Than it would not crank at all. The compalint was and still the same when it came back. Going down the road highway speed stall out the cluster would wig out,trnas go into limp mode,and no...
April 02, 2011