P904B

P904B Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P904B Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.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 P904B Fault Code Meaning :

Ford P904B Symptoms :

Ford P904B Reasons :

How To Fix Ford P904B Trouble Code ?

Which Ford cars have the code P904B?

  • P904B Ford Aerostar
  • P904B Ford Bronco
  • P904B Ford C-Max
  • P904B Ford C-Max Energi
  • P904B Ford C-Max Hybrid
  • P904B Ford Contour
  • P904B Ford Crown Victoria
  • P904B Ford EcoSport
  • P904B Ford Econoline
  • P904B Ford Edge
  • P904B Ford Escape
  • P904B Ford Escape Hybrid
  • P904B Ford Escort
  • P904B Ford Everest
  • P904B Ford Excursion
  • P904B Ford Expedition
  • P904B Ford Explorer
  • P904B Ford Explorer Sport Trac
  • P904B Ford F-150
  • P904B Ford F-250
  • P904B Ford F-350
  • P904B Ford Fiesta
  • P904B Ford Flex
  • P904B Ford Focus
  • P904B Ford Focus Electric
  • P904B Ford Freestar
  • P904B Ford Freestyle
  • P904B Ford Fusion
  • P904B Ford Fusion Energi
  • P904B Ford Fusion Hybrid
  • P904B Ford Fusion Plug-In Hybrid
  • P904B Ford GT
  • P904B Ford Mustang
  • P904B Ford Mustang Mach-E
  • P904B Ford Mystique
  • P904B Ford Probe
  • P904B Ford Ranger
  • P904B Ford Taurus
  • P904B Ford Taurus X
  • P904B Ford Tempo
  • P904B Ford Thunderbird
  • P904B Ford Transit
  • P904B Ford Transit Connect
  • P904B 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.