C1804

C1804 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C1804 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.

This circuit connects to the CHM as an input at connector J3,P. The CHM passes the signal through to power the tail lamps and marker lamps from connector C2 pin G and also from connector C1 pins D, E, and F.

Ford C1804 Fault Code Meaning :

Ford C1804 Symptoms :

Ford C1804 Reasons :

How To Fix Ford C1804 Trouble Code ?

Which Ford cars have the code C1804?

  • C1804 Ford Aerostar
  • C1804 Ford Bronco
  • C1804 Ford C-Max
  • C1804 Ford C-Max Energi
  • C1804 Ford C-Max Hybrid
  • C1804 Ford Contour
  • C1804 Ford Crown Victoria
  • C1804 Ford EcoSport
  • C1804 Ford Econoline
  • C1804 Ford Edge
  • C1804 Ford Escape
  • C1804 Ford Escape Hybrid
  • C1804 Ford Escort
  • C1804 Ford Everest
  • C1804 Ford Excursion
  • C1804 Ford Expedition
  • C1804 Ford Explorer
  • C1804 Ford Explorer Sport Trac
  • C1804 Ford F-150
  • C1804 Ford F-250
  • C1804 Ford F-350
  • C1804 Ford Fiesta
  • C1804 Ford Flex
  • C1804 Ford Focus
  • C1804 Ford Focus Electric
  • C1804 Ford Freestar
  • C1804 Ford Freestyle
  • C1804 Ford Fusion
  • C1804 Ford Fusion Energi
  • C1804 Ford Fusion Hybrid
  • C1804 Ford Fusion Plug-In Hybrid
  • C1804 Ford GT
  • C1804 Ford Mustang
  • C1804 Ford Mustang Mach-E
  • C1804 Ford Mystique
  • C1804 Ford Probe
  • C1804 Ford Ranger
  • C1804 Ford Taurus
  • C1804 Ford Taurus X
  • C1804 Ford Tempo
  • C1804 Ford Thunderbird
  • C1804 Ford Transit
  • C1804 Ford Transit Connect
  • C1804 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.