P4A51

P4A51 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P4A51 Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.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 OFF.

The disconnected pipe malfunction is detected when the ventilator tube from the valve cover to the separator device is disconnected resulting in a pressure below the lower limit.Both of these malfunctions will result in a DTC being set.

Ford P4A51 Fault Code Meaning :

Ford P4A51 Symptoms :

Ford P4A51 Reasons :

How To Fix Ford P4A51 Trouble Code ?

Which Ford cars have the code P4A51?

  • P4A51 Ford Aerostar
  • P4A51 Ford Bronco
  • P4A51 Ford C-Max
  • P4A51 Ford C-Max Energi
  • P4A51 Ford C-Max Hybrid
  • P4A51 Ford Contour
  • P4A51 Ford Crown Victoria
  • P4A51 Ford EcoSport
  • P4A51 Ford Econoline
  • P4A51 Ford Edge
  • P4A51 Ford Escape
  • P4A51 Ford Escape Hybrid
  • P4A51 Ford Escort
  • P4A51 Ford Everest
  • P4A51 Ford Excursion
  • P4A51 Ford Expedition
  • P4A51 Ford Explorer
  • P4A51 Ford Explorer Sport Trac
  • P4A51 Ford F-150
  • P4A51 Ford F-250
  • P4A51 Ford F-350
  • P4A51 Ford Fiesta
  • P4A51 Ford Flex
  • P4A51 Ford Focus
  • P4A51 Ford Focus Electric
  • P4A51 Ford Freestar
  • P4A51 Ford Freestyle
  • P4A51 Ford Fusion
  • P4A51 Ford Fusion Energi
  • P4A51 Ford Fusion Hybrid
  • P4A51 Ford Fusion Plug-In Hybrid
  • P4A51 Ford GT
  • P4A51 Ford Mustang
  • P4A51 Ford Mustang Mach-E
  • P4A51 Ford Mystique
  • P4A51 Ford Probe
  • P4A51 Ford Ranger
  • P4A51 Ford Taurus
  • P4A51 Ford Taurus X
  • P4A51 Ford Tempo
  • P4A51 Ford Thunderbird
  • P4A51 Ford Transit
  • P4A51 Ford Transit Connect
  • P4A51 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.