P9B51

P9B51 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P9B51 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.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 End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford P9B51 Fault Code Meaning :

Ford P9B51 Symptoms :

Ford P9B51 Reasons :

How To Fix Ford P9B51 Trouble Code ?

Which Ford cars have the code P9B51?

  • P9B51 Ford Aerostar
  • P9B51 Ford Bronco
  • P9B51 Ford C-Max
  • P9B51 Ford C-Max Energi
  • P9B51 Ford C-Max Hybrid
  • P9B51 Ford Contour
  • P9B51 Ford Crown Victoria
  • P9B51 Ford EcoSport
  • P9B51 Ford Econoline
  • P9B51 Ford Edge
  • P9B51 Ford Escape
  • P9B51 Ford Escape Hybrid
  • P9B51 Ford Escort
  • P9B51 Ford Everest
  • P9B51 Ford Excursion
  • P9B51 Ford Expedition
  • P9B51 Ford Explorer
  • P9B51 Ford Explorer Sport Trac
  • P9B51 Ford F-150
  • P9B51 Ford F-250
  • P9B51 Ford F-350
  • P9B51 Ford Fiesta
  • P9B51 Ford Flex
  • P9B51 Ford Focus
  • P9B51 Ford Focus Electric
  • P9B51 Ford Freestar
  • P9B51 Ford Freestyle
  • P9B51 Ford Fusion
  • P9B51 Ford Fusion Energi
  • P9B51 Ford Fusion Hybrid
  • P9B51 Ford Fusion Plug-In Hybrid
  • P9B51 Ford GT
  • P9B51 Ford Mustang
  • P9B51 Ford Mustang Mach-E
  • P9B51 Ford Mystique
  • P9B51 Ford Probe
  • P9B51 Ford Ranger
  • P9B51 Ford Taurus
  • P9B51 Ford Taurus X
  • P9B51 Ford Tempo
  • P9B51 Ford Thunderbird
  • P9B51 Ford Transit
  • P9B51 Ford Transit Connect
  • P9B51 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.