Join Now
International Automotive Technicians Network

P1223 Diagnostic Trouble Code Discussion for February 2010

Fuel Injector 1 Output Circuit Malfunction


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 P1223
Help Request Posted
2003 Chevrolet Silverado 2500 HD 6.6L Misfire VIN: 1GCHK23163
P1223: Fuel Injector 1 Output Circuit Malfunction. ... 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
2003 Chevrolet Silverado 2500 HD 6.6L Misfire VIN: 1GCHK23163
P1223: Fuel Injector 1 Output Circuit Malfunction. ... 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