P04B9

P04B9 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P04B9 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.The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

When the engine is in higher engine speed and torque condition, the differential pressure over the DPF is expected to rise according to engine speed and torque. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford P04B9 Fault Code Meaning :

Ford P04B9 Symptoms :

Ford P04B9 Reasons :

How To Fix Ford P04B9 Trouble Code ?

Which Ford cars have the code P04B9?

  • P04B9 Ford Aerostar
  • P04B9 Ford Bronco
  • P04B9 Ford C-Max
  • P04B9 Ford C-Max Energi
  • P04B9 Ford C-Max Hybrid
  • P04B9 Ford Contour
  • P04B9 Ford Crown Victoria
  • P04B9 Ford EcoSport
  • P04B9 Ford Econoline
  • P04B9 Ford Edge
  • P04B9 Ford Escape
  • P04B9 Ford Escape Hybrid
  • P04B9 Ford Escort
  • P04B9 Ford Everest
  • P04B9 Ford Excursion
  • P04B9 Ford Expedition
  • P04B9 Ford Explorer
  • P04B9 Ford Explorer Sport Trac
  • P04B9 Ford F-150
  • P04B9 Ford F-250
  • P04B9 Ford F-350
  • P04B9 Ford Fiesta
  • P04B9 Ford Flex
  • P04B9 Ford Focus
  • P04B9 Ford Focus Electric
  • P04B9 Ford Freestar
  • P04B9 Ford Freestyle
  • P04B9 Ford Fusion
  • P04B9 Ford Fusion Energi
  • P04B9 Ford Fusion Hybrid
  • P04B9 Ford Fusion Plug-In Hybrid
  • P04B9 Ford GT
  • P04B9 Ford Mustang
  • P04B9 Ford Mustang Mach-E
  • P04B9 Ford Mystique
  • P04B9 Ford Probe
  • P04B9 Ford Ranger
  • P04B9 Ford Taurus
  • P04B9 Ford Taurus X
  • P04B9 Ford Tempo
  • P04B9 Ford Thunderbird
  • P04B9 Ford Transit
  • P04B9 Ford Transit Connect
  • P04B9 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.