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P1668 Diagnostic Trouble Code Discussion for November 2008

Generator L-Terminal Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1668
Help Request Posted
2002 Ford F-350 Super Duty XL 7.3L No Start VIN: 1FDWF34F42
P1668: PCM To IDM Diagnostic Communication Error. ... Ford diesel techs. this is one of our own tow trucks had a blown high pressure hose that was replaced this morning, filled high pressure resivore but still no start. checked for codes found pcm-idm codes, checked all wiring by the ford book, all check good...
November 11, 2008