P04A9

P04A9 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P04A9 Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.The position information for the switch becomes Not Available. Remove the duplicate Smart Switch, then use ServiceLink to verify that the correct Smart Switches are configured for the vehicle.

A comparison of pressures from all sensors is made. The smallest difference between the three is determined and a reference pressure is calculated. The Barometric pressure sensor value is compared to the reference value and if the difference is above the threshold a DTC is reported.

Ford P04A9 Fault Code Meaning :

Ford P04A9 Symptoms :

Ford P04A9 Reasons :

How To Fix Ford P04A9 Trouble Code ?

Which Ford cars have the code P04A9?

  • P04A9 Ford Aerostar
  • P04A9 Ford Bronco
  • P04A9 Ford C-Max
  • P04A9 Ford C-Max Energi
  • P04A9 Ford C-Max Hybrid
  • P04A9 Ford Contour
  • P04A9 Ford Crown Victoria
  • P04A9 Ford EcoSport
  • P04A9 Ford Econoline
  • P04A9 Ford Edge
  • P04A9 Ford Escape
  • P04A9 Ford Escape Hybrid
  • P04A9 Ford Escort
  • P04A9 Ford Everest
  • P04A9 Ford Excursion
  • P04A9 Ford Expedition
  • P04A9 Ford Explorer
  • P04A9 Ford Explorer Sport Trac
  • P04A9 Ford F-150
  • P04A9 Ford F-250
  • P04A9 Ford F-350
  • P04A9 Ford Fiesta
  • P04A9 Ford Flex
  • P04A9 Ford Focus
  • P04A9 Ford Focus Electric
  • P04A9 Ford Freestar
  • P04A9 Ford Freestyle
  • P04A9 Ford Fusion
  • P04A9 Ford Fusion Energi
  • P04A9 Ford Fusion Hybrid
  • P04A9 Ford Fusion Plug-In Hybrid
  • P04A9 Ford GT
  • P04A9 Ford Mustang
  • P04A9 Ford Mustang Mach-E
  • P04A9 Ford Mystique
  • P04A9 Ford Probe
  • P04A9 Ford Ranger
  • P04A9 Ford Taurus
  • P04A9 Ford Taurus X
  • P04A9 Ford Tempo
  • P04A9 Ford Thunderbird
  • P04A9 Ford Transit
  • P04A9 Ford Transit Connect
  • P04A9 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.