B1409

B1409 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1409 Diagnosis

The axle lift 2 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for axle lift 2 air solenoid fault, and for air pressure switch short circuit fault.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 B1409 Fault Code Meaning :

Ford B1409 Symptoms :

Ford B1409 Reasons :

How To Fix Ford B1409 Trouble Code ?

Which Ford cars have the code B1409?

  • B1409 Ford Aerostar
  • B1409 Ford Bronco
  • B1409 Ford C-Max
  • B1409 Ford C-Max Energi
  • B1409 Ford C-Max Hybrid
  • B1409 Ford Contour
  • B1409 Ford Crown Victoria
  • B1409 Ford EcoSport
  • B1409 Ford Econoline
  • B1409 Ford Edge
  • B1409 Ford Escape
  • B1409 Ford Escape Hybrid
  • B1409 Ford Escort
  • B1409 Ford Everest
  • B1409 Ford Excursion
  • B1409 Ford Expedition
  • B1409 Ford Explorer
  • B1409 Ford Explorer Sport Trac
  • B1409 Ford F-150
  • B1409 Ford F-250
  • B1409 Ford F-350
  • B1409 Ford Fiesta
  • B1409 Ford Flex
  • B1409 Ford Focus
  • B1409 Ford Focus Electric
  • B1409 Ford Freestar
  • B1409 Ford Freestyle
  • B1409 Ford Fusion
  • B1409 Ford Fusion Energi
  • B1409 Ford Fusion Hybrid
  • B1409 Ford Fusion Plug-In Hybrid
  • B1409 Ford GT
  • B1409 Ford Mustang
  • B1409 Ford Mustang Mach-E
  • B1409 Ford Mystique
  • B1409 Ford Probe
  • B1409 Ford Ranger
  • B1409 Ford Taurus
  • B1409 Ford Taurus X
  • B1409 Ford Tempo
  • B1409 Ford Thunderbird
  • B1409 Ford Transit
  • B1409 Ford Transit Connect
  • B1409 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.