P39D9

P39D9 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P39D9 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 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 P39D9 Fault Code Meaning :

Ford P39D9 Symptoms :

Ford P39D9 Reasons :

How To Fix Ford P39D9 Trouble Code ?

Which Ford cars have the code P39D9?

  • P39D9 Ford Aerostar
  • P39D9 Ford Bronco
  • P39D9 Ford C-Max
  • P39D9 Ford C-Max Energi
  • P39D9 Ford C-Max Hybrid
  • P39D9 Ford Contour
  • P39D9 Ford Crown Victoria
  • P39D9 Ford EcoSport
  • P39D9 Ford Econoline
  • P39D9 Ford Edge
  • P39D9 Ford Escape
  • P39D9 Ford Escape Hybrid
  • P39D9 Ford Escort
  • P39D9 Ford Everest
  • P39D9 Ford Excursion
  • P39D9 Ford Expedition
  • P39D9 Ford Explorer
  • P39D9 Ford Explorer Sport Trac
  • P39D9 Ford F-150
  • P39D9 Ford F-250
  • P39D9 Ford F-350
  • P39D9 Ford Fiesta
  • P39D9 Ford Flex
  • P39D9 Ford Focus
  • P39D9 Ford Focus Electric
  • P39D9 Ford Freestar
  • P39D9 Ford Freestyle
  • P39D9 Ford Fusion
  • P39D9 Ford Fusion Energi
  • P39D9 Ford Fusion Hybrid
  • P39D9 Ford Fusion Plug-In Hybrid
  • P39D9 Ford GT
  • P39D9 Ford Mustang
  • P39D9 Ford Mustang Mach-E
  • P39D9 Ford Mystique
  • P39D9 Ford Probe
  • P39D9 Ford Ranger
  • P39D9 Ford Taurus
  • P39D9 Ford Taurus X
  • P39D9 Ford Tempo
  • P39D9 Ford Thunderbird
  • P39D9 Ford Transit
  • P39D9 Ford Transit Connect
  • P39D9 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.