P1378 Diagnostic Trouble Code Discussion for August 2012
FICM Supply Voltage Low Voltage
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 P1378
| Help Request | Posted | |
| 2004 Ford E-450 Super Duty 6.0L No Start VIN: 1FDXE45P24 P1378: FICM Supply Voltage Circuit Low. I hope we are not overlooking something else testing this code. FICM logic power is .5 volts, FICM main power is 47.9, FICM vehicle power was 11.48. Previous posts said the FICM logic should be no less than 10.5 volts. Is this correct? We've seen posts about h... |
August 16, 2012 |
