Join Now
International Automotive Technicians Network

U0100 Diagnostic Trouble Code Discussion for August 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
2009 Chevrolet Malibu LT 2.4L No Start VIN: 1G12H57B09
U0100: lost comm with ecm trans code. got this malibu the local jiffy lube cleaned the battery terminals on this thing and now it wont start there is no check engine light and i can not communicate with ecm i can communicate with everything else.it has powers and grounds.should i try to reflash th...
August 28, 2011
2009 Chevrolet Malibu LT 2.4L No Start VIN: 1G12H57B09
U0100: lost comm with ecm trans code. got this malibu the local jiffy lube cleaned the battery terminals on this thing and now it wont start there is no check engine light and i can not communicate with ecm i can communicate with everything else.it has powers and grounds.should i try to reflash th...
August 28, 2011