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U0100 Diagnostic Trouble Code Discussion for July 2015

Lost Communication With ECM


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Trouble Ticket Help Requests for DTC U0100
Help Request Posted
2006 Chrysler 300 C SRT8 6.1L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 2C3LA73W56
U0100: Lost Communication With ECM/PCM. ... codes were P0700 and U0100 TCM lost communication with PCM. customer opted to have the PCM replaced again under warranty, issue did not go away and the only codes were the two stated above...
July 09, 2015
2006 Chrysler 300 C SRT8 6.1L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 2C3LA73W56
U0100: Lost Communication With ECM/PCM. ... codes were P0700 and U0100 TCM lost communication with PCM. customer opted to have the PCM replaced again under warranty, issue did not go away and the only codes were the two stated above...
July 24, 2015
2008 Saturn Vue XE 3.5L No Start, Stall, MIL Lamp on VIN: 3GSDL43N08
U0100: . ... Turn key on and Abs and service vehicle lights flicker and tach and gas gauges bounce. I could not communicate with PCM, BCM, Instrument cluster, ABS, or Air bag. On occasion I can communicate with Trans module and got the U0073, and U0100 codes for loss o...
July 31, 2015