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U2100 Diagnostic Trouble Code Discussion for February 2010

Controller Area Network BUS Communication


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Trouble Ticket Help Requests for DTC U2100
Help Request Posted
2005 Chevrolet Cobalt LS 2.2L MIL Lamp on VIN: 1G1AL12F65
U2100: CAN bus communication. Looking for help on wifes car. Only happened twice, on Christmas eve, and again today. Problems go away after sitting a few minutes. When driving for extended period of time, about 40 minutes. CEL came on, Traction light came on, power steering message came up...
February 17, 2010