U0100 Diagnostic Trouble Code Discussion for July 2024
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 | |
| 2008 Chevrolet Express 1500 4.3L No Start, Stall VIN: 1GCFG15X38 U0100: Lost comm with ECM/pcm erratic. Vehicle intermittently starts and then dies after 1 second. Will persistently not restart for long periods. No theft light on dash flashing. Data in TCM all ok when dies, not disabling fuel. Power supply to injectors good , load tested. Injector control no... |
July 02, 2024 |
