C1478

C1478 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C1478 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open circuit fault.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.

The BHM drives the 5 cab overhead clearance and ID lamps from connector B5 pin C on circuit 46. All other marker and tail lamps are driven from BHM connector B1,K on circuit 23. This circuit connects to the CHM as an input at connector J3,P.

Ford C1478 Fault Code Meaning :

Ford C1478 Symptoms :

Ford C1478 Reasons :

How To Fix Ford C1478 Trouble Code ?

Which Ford cars have the code C1478?

  • C1478 Ford Aerostar
  • C1478 Ford Bronco
  • C1478 Ford C-Max
  • C1478 Ford C-Max Energi
  • C1478 Ford C-Max Hybrid
  • C1478 Ford Contour
  • C1478 Ford Crown Victoria
  • C1478 Ford EcoSport
  • C1478 Ford Econoline
  • C1478 Ford Edge
  • C1478 Ford Escape
  • C1478 Ford Escape Hybrid
  • C1478 Ford Escort
  • C1478 Ford Everest
  • C1478 Ford Excursion
  • C1478 Ford Expedition
  • C1478 Ford Explorer
  • C1478 Ford Explorer Sport Trac
  • C1478 Ford F-150
  • C1478 Ford F-250
  • C1478 Ford F-350
  • C1478 Ford Fiesta
  • C1478 Ford Flex
  • C1478 Ford Focus
  • C1478 Ford Focus Electric
  • C1478 Ford Freestar
  • C1478 Ford Freestyle
  • C1478 Ford Fusion
  • C1478 Ford Fusion Energi
  • C1478 Ford Fusion Hybrid
  • C1478 Ford Fusion Plug-In Hybrid
  • C1478 Ford GT
  • C1478 Ford Mustang
  • C1478 Ford Mustang Mach-E
  • C1478 Ford Mystique
  • C1478 Ford Probe
  • C1478 Ford Ranger
  • C1478 Ford Taurus
  • C1478 Ford Taurus X
  • C1478 Ford Tempo
  • C1478 Ford Thunderbird
  • C1478 Ford Transit
  • C1478 Ford Transit Connect
  • C1478 Ford Windstar

A code is a fault code and it indicates that something has gone wrong with your car's engine.

It can be caused by many different problems, including a faulty battery, a bad fuel pump, or even a cracked exhaust manifold.

You will need to diagnose the problem before you can fix it. The best way to do this is with an OBD scanner tool.

A scan tool will tell you what needs fixing and how much it will cost in order to fix that particular issue.