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P1378 Diagnostic Trouble Code Discussion for December 2009

FICM Supply Voltage Low Voltage

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Trouble Ticket Help Requests for DTC P1378
Help Request Posted
2003 Ford F-250 Super Duty Lariat 6.0L No Start VIN: 1FTNW21P63
... Ford F250 6.0 diesel truck towed in for a no start condition. We don't do alot of diesels so need a little help. The batteries were both bad and our cranking RPM was low and after replacing both batteries that came up to specs. We have a code of P1378 whic...
December 14, 2009