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P1668 Diagnostic Trouble Code Discussion for September 2013

Generator L-Terminal Control Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1668
Help Request Posted
1996 Ford F-250 XL 7.3L No Start VIN: 1FTHW25F6T
P1668: PCM To IDM Diagnostic Communication Error. Vehicle ran great, excellant maintenance, got in crank no start.pulled codes and had idm-pcm communication error. Went thru all test from mitchell and verus pro and result was to replace idm. So we did and still no start.Still have same code, and now have code...
September 23, 2013
1996 Ford F-250 XL 7.3L No Start VIN: 1FTHW25F6T
P1668: PCM To IDM Diagnostic Communication Error. Vehicle ran great, excellant maintenance, got in crank no start.pulled codes and had idm-pcm communication error. Went thru all test from mitchell and verus pro and result was to replace idm. So we did and still no start.Still have same code, and now have code...
September 26, 2013
1996 Ford F-250 XL 7.3L No Start VIN: 1FTHW25F6T
P1668: PCM To IDM Diagnostic Communication Error. Vehicle ran great, excellant maintenance, got in crank no start.pulled codes and had idm-pcm communication error. Went thru all test from mitchell and verus pro and result was to replace idm. So we did and still no start.Still have same code, and now have code...
September 23, 2013
1996 Ford F-250 XL 7.3L No Start VIN: 1FTHW25F6T
P1668: PCM To IDM Diagnostic Communication Error. Vehicle ran great, excellant maintenance, got in crank no start.pulled codes and had idm-pcm communication error. Went thru all test from mitchell and verus pro and result was to replace idm. So we did and still no start.Still have same code, and now have code...
September 26, 2013