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U1800 Diagnostic Trouble Code Discussion for February 2010

Lost Communication With Fuel Injector Control Module

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Trouble Ticket Help Requests for DTC U1800
Help Request Posted
2003 Chevrolet Silverado 2500 HD 6.6L Misfire VIN: 1GCHK23163
... back! I got this Duramax that has what I think is an injector or sleave problem but I cant prove it out because the scanner keeps dropping communication when I try to run a balance test or even just reading codes or fail records, it even looses comms when ...
February 22, 2010