P9B29

P9B29 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P9B29 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 P9B29 Fault Code Meaning :

Ford P9B29 Symptoms :

Ford P9B29 Reasons :

How To Fix Ford P9B29 Trouble Code ?

Which Ford cars have the code P9B29?

  • P9B29 Ford Aerostar
  • P9B29 Ford Bronco
  • P9B29 Ford C-Max
  • P9B29 Ford C-Max Energi
  • P9B29 Ford C-Max Hybrid
  • P9B29 Ford Contour
  • P9B29 Ford Crown Victoria
  • P9B29 Ford EcoSport
  • P9B29 Ford Econoline
  • P9B29 Ford Edge
  • P9B29 Ford Escape
  • P9B29 Ford Escape Hybrid
  • P9B29 Ford Escort
  • P9B29 Ford Everest
  • P9B29 Ford Excursion
  • P9B29 Ford Expedition
  • P9B29 Ford Explorer
  • P9B29 Ford Explorer Sport Trac
  • P9B29 Ford F-150
  • P9B29 Ford F-250
  • P9B29 Ford F-350
  • P9B29 Ford Fiesta
  • P9B29 Ford Flex
  • P9B29 Ford Focus
  • P9B29 Ford Focus Electric
  • P9B29 Ford Freestar
  • P9B29 Ford Freestyle
  • P9B29 Ford Fusion
  • P9B29 Ford Fusion Energi
  • P9B29 Ford Fusion Hybrid
  • P9B29 Ford Fusion Plug-In Hybrid
  • P9B29 Ford GT
  • P9B29 Ford Mustang
  • P9B29 Ford Mustang Mach-E
  • P9B29 Ford Mystique
  • P9B29 Ford Probe
  • P9B29 Ford Ranger
  • P9B29 Ford Taurus
  • P9B29 Ford Taurus X
  • P9B29 Ford Tempo
  • P9B29 Ford Thunderbird
  • P9B29 Ford Transit
  • P9B29 Ford Transit Connect
  • P9B29 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.