P999A

P999A Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P999A 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 wiper switch is in the OFF position and the BHM park input from the wiper motor is not in park position. Troubleshoot for a wiper motor park switch circuit fault.

When the engine is in idle or in low engine speed and torque condition, the differential pressure over the DPF is expected to be close to zero. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford P999A Fault Code Meaning :

Ford P999A Symptoms :

Ford P999A Reasons :

How To Fix Ford P999A Trouble Code ?

Which Ford cars have the code P999A?

  • P999A Ford Aerostar
  • P999A Ford Bronco
  • P999A Ford C-Max
  • P999A Ford C-Max Energi
  • P999A Ford C-Max Hybrid
  • P999A Ford Contour
  • P999A Ford Crown Victoria
  • P999A Ford EcoSport
  • P999A Ford Econoline
  • P999A Ford Edge
  • P999A Ford Escape
  • P999A Ford Escape Hybrid
  • P999A Ford Escort
  • P999A Ford Everest
  • P999A Ford Excursion
  • P999A Ford Expedition
  • P999A Ford Explorer
  • P999A Ford Explorer Sport Trac
  • P999A Ford F-150
  • P999A Ford F-250
  • P999A Ford F-350
  • P999A Ford Fiesta
  • P999A Ford Flex
  • P999A Ford Focus
  • P999A Ford Focus Electric
  • P999A Ford Freestar
  • P999A Ford Freestyle
  • P999A Ford Fusion
  • P999A Ford Fusion Energi
  • P999A Ford Fusion Hybrid
  • P999A Ford Fusion Plug-In Hybrid
  • P999A Ford GT
  • P999A Ford Mustang
  • P999A Ford Mustang Mach-E
  • P999A Ford Mystique
  • P999A Ford Probe
  • P999A Ford Ranger
  • P999A Ford Taurus
  • P999A Ford Taurus X
  • P999A Ford Tempo
  • P999A Ford Thunderbird
  • P999A Ford Transit
  • P999A Ford Transit Connect
  • P999A 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.