Join Now
International Automotive Technicians Network

P1668 Diagnostic Trouble Code Discussion for January 2012

Generator L-Terminal Control 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 P1668
Help Request Posted
2002 Ford F-550 Super Duty XL 7.3L No Start, MIL Lamp on VIN: 1FDAF57F02
P1668: PCM To IDM Diagnostic Communication Error. ... plugged in for 2 hours and vehicle was driven in. Original codes stored in computer when it arrived were P1247 and P1670. We checked all basic items and then dug into the P1670 code. Begining with FJ10 we followed the test procedure and all circuits tested...
January 10, 2012
2002 Ford F-550 Super Duty XL 7.3L No Start, MIL Lamp on VIN: 1FDAF57F02
P1668: PCM To IDM Diagnostic Communication Error. ... plugged in for 2 hours and vehicle was driven in. Original codes stored in computer when it arrived were P1247 and P1670. We checked all basic items and then dug into the P1670 code. Begining with FJ10 we followed the test procedure and all circuits tested...
January 10, 2012