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U0100 Diagnostic Trouble Code Discussion for July 2016

Lost Communication With ECM


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Trouble Ticket Help Requests for DTC U0100
Help Request Posted
2010 Buick LaCrosse CXL 3.0L Hesitation, Cuts out, Stall VIN: 1G4GC5EG5A
U0100: no comm with ecm. hello fellow techs This is the story cust say car shifts erratically, door locks cycle, message center say engine over speed , blower shuts down and i confirmed all of this symptoms .the only way i get it to acted up is in dive under heavy load. checked harnes...
July 07, 2016
2008 Pontiac G6 2.4L Hesitation, Surge, MIL Lamp on VIN: 1G2ZG57B28
U0100: lost communication with ecm tcm. This is fresh in the door. With a compliant of sruging. The dash lights that are on include theft,ses,abs, traction. the engine speed at 1 time was a rolling idle. I have no communication with any systems. But I can pull codes with my solous using the code sca...
July 11, 2016