P0404

P0404 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P0404 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.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 P0404 Fault Code Meaning :

Ford P0404 Symptoms :

Ford P0404 Reasons :

How To Fix Ford P0404 Trouble Code ?

Which Ford cars have the code P0404?

  • P0404 Ford Aerostar
  • P0404 Ford Bronco
  • P0404 Ford C-Max
  • P0404 Ford C-Max Energi
  • P0404 Ford C-Max Hybrid
  • P0404 Ford Contour
  • P0404 Ford Crown Victoria
  • P0404 Ford EcoSport
  • P0404 Ford Econoline
  • P0404 Ford Edge
  • P0404 Ford Escape
  • P0404 Ford Escape Hybrid
  • P0404 Ford Escort
  • P0404 Ford Everest
  • P0404 Ford Excursion
  • P0404 Ford Expedition
  • P0404 Ford Explorer
  • P0404 Ford Explorer Sport Trac
  • P0404 Ford F-150
  • P0404 Ford F-250
  • P0404 Ford F-350
  • P0404 Ford Fiesta
  • P0404 Ford Flex
  • P0404 Ford Focus
  • P0404 Ford Focus Electric
  • P0404 Ford Freestar
  • P0404 Ford Freestyle
  • P0404 Ford Fusion
  • P0404 Ford Fusion Energi
  • P0404 Ford Fusion Hybrid
  • P0404 Ford Fusion Plug-In Hybrid
  • P0404 Ford GT
  • P0404 Ford Mustang
  • P0404 Ford Mustang Mach-E
  • P0404 Ford Mystique
  • P0404 Ford Probe
  • P0404 Ford Ranger
  • P0404 Ford Taurus
  • P0404 Ford Taurus X
  • P0404 Ford Tempo
  • P0404 Ford Thunderbird
  • P0404 Ford Transit
  • P0404 Ford Transit Connect
  • P0404 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.