P89A9

P89A9 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P89A9 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 P89A9 Fault Code Meaning :

Ford P89A9 Symptoms :

Ford P89A9 Reasons :

How To Fix Ford P89A9 Trouble Code ?

Which Ford cars have the code P89A9?

  • P89A9 Ford Aerostar
  • P89A9 Ford Bronco
  • P89A9 Ford C-Max
  • P89A9 Ford C-Max Energi
  • P89A9 Ford C-Max Hybrid
  • P89A9 Ford Contour
  • P89A9 Ford Crown Victoria
  • P89A9 Ford EcoSport
  • P89A9 Ford Econoline
  • P89A9 Ford Edge
  • P89A9 Ford Escape
  • P89A9 Ford Escape Hybrid
  • P89A9 Ford Escort
  • P89A9 Ford Everest
  • P89A9 Ford Excursion
  • P89A9 Ford Expedition
  • P89A9 Ford Explorer
  • P89A9 Ford Explorer Sport Trac
  • P89A9 Ford F-150
  • P89A9 Ford F-250
  • P89A9 Ford F-350
  • P89A9 Ford Fiesta
  • P89A9 Ford Flex
  • P89A9 Ford Focus
  • P89A9 Ford Focus Electric
  • P89A9 Ford Freestar
  • P89A9 Ford Freestyle
  • P89A9 Ford Fusion
  • P89A9 Ford Fusion Energi
  • P89A9 Ford Fusion Hybrid
  • P89A9 Ford Fusion Plug-In Hybrid
  • P89A9 Ford GT
  • P89A9 Ford Mustang
  • P89A9 Ford Mustang Mach-E
  • P89A9 Ford Mystique
  • P89A9 Ford Probe
  • P89A9 Ford Ranger
  • P89A9 Ford Taurus
  • P89A9 Ford Taurus X
  • P89A9 Ford Tempo
  • P89A9 Ford Thunderbird
  • P89A9 Ford Transit
  • P89A9 Ford Transit Connect
  • P89A9 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.