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P1668 Diagnostic Trouble Code Discussion for May 2015

Generator L-Terminal Control Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1668
Help Request Posted
1996 Ford E-350 Econoline 7.3L No Start VIN: 1FDKE30F8T
P1668: PCM To IDM Diagnostic Communication Error. Complaint was hard start & won't go over 35 mph. Truck came in & would not start. It had melted conn. on l/s vc gaskets & r/s is good. I have good power & ground to IDM & don't have 115V dc coming out of IDM. EBP voltage is 1.27v koeo, IPR ...
May 13, 2015
1996 Ford E-350 Econoline 7.3L No Start VIN: 1FDKE30F8T
P1668: PCM To IDM Diagnostic Communication Error. Complaint was hard start & won't go over 35 mph. Truck came in & would not start. It had melted conn. on l/s vc gaskets & r/s is good. I have good power & ground to IDM & don't have 115V dc coming out of IDM. EBP voltage is 1.27v koeo, IPR ...
May 14, 2015