P3A81

P3A81 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3A81 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open circuit fault.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 P3A81 Fault Code Meaning :

Ford P3A81 Symptoms :

Ford P3A81 Reasons :

How To Fix Ford P3A81 Trouble Code ?

Which Ford cars have the code P3A81?

  • P3A81 Ford Aerostar
  • P3A81 Ford Bronco
  • P3A81 Ford C-Max
  • P3A81 Ford C-Max Energi
  • P3A81 Ford C-Max Hybrid
  • P3A81 Ford Contour
  • P3A81 Ford Crown Victoria
  • P3A81 Ford EcoSport
  • P3A81 Ford Econoline
  • P3A81 Ford Edge
  • P3A81 Ford Escape
  • P3A81 Ford Escape Hybrid
  • P3A81 Ford Escort
  • P3A81 Ford Everest
  • P3A81 Ford Excursion
  • P3A81 Ford Expedition
  • P3A81 Ford Explorer
  • P3A81 Ford Explorer Sport Trac
  • P3A81 Ford F-150
  • P3A81 Ford F-250
  • P3A81 Ford F-350
  • P3A81 Ford Fiesta
  • P3A81 Ford Flex
  • P3A81 Ford Focus
  • P3A81 Ford Focus Electric
  • P3A81 Ford Freestar
  • P3A81 Ford Freestyle
  • P3A81 Ford Fusion
  • P3A81 Ford Fusion Energi
  • P3A81 Ford Fusion Hybrid
  • P3A81 Ford Fusion Plug-In Hybrid
  • P3A81 Ford GT
  • P3A81 Ford Mustang
  • P3A81 Ford Mustang Mach-E
  • P3A81 Ford Mystique
  • P3A81 Ford Probe
  • P3A81 Ford Ranger
  • P3A81 Ford Taurus
  • P3A81 Ford Taurus X
  • P3A81 Ford Tempo
  • P3A81 Ford Thunderbird
  • P3A81 Ford Transit
  • P3A81 Ford Transit Connect
  • P3A81 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.