P3981

P3981 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3981 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.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 P3981 Fault Code Meaning :

Ford P3981 Symptoms :

Ford P3981 Reasons :

How To Fix Ford P3981 Trouble Code ?

Which Ford cars have the code P3981?

  • P3981 Ford Aerostar
  • P3981 Ford Bronco
  • P3981 Ford C-Max
  • P3981 Ford C-Max Energi
  • P3981 Ford C-Max Hybrid
  • P3981 Ford Contour
  • P3981 Ford Crown Victoria
  • P3981 Ford EcoSport
  • P3981 Ford Econoline
  • P3981 Ford Edge
  • P3981 Ford Escape
  • P3981 Ford Escape Hybrid
  • P3981 Ford Escort
  • P3981 Ford Everest
  • P3981 Ford Excursion
  • P3981 Ford Expedition
  • P3981 Ford Explorer
  • P3981 Ford Explorer Sport Trac
  • P3981 Ford F-150
  • P3981 Ford F-250
  • P3981 Ford F-350
  • P3981 Ford Fiesta
  • P3981 Ford Flex
  • P3981 Ford Focus
  • P3981 Ford Focus Electric
  • P3981 Ford Freestar
  • P3981 Ford Freestyle
  • P3981 Ford Fusion
  • P3981 Ford Fusion Energi
  • P3981 Ford Fusion Hybrid
  • P3981 Ford Fusion Plug-In Hybrid
  • P3981 Ford GT
  • P3981 Ford Mustang
  • P3981 Ford Mustang Mach-E
  • P3981 Ford Mystique
  • P3981 Ford Probe
  • P3981 Ford Ranger
  • P3981 Ford Taurus
  • P3981 Ford Taurus X
  • P3981 Ford Tempo
  • P3981 Ford Thunderbird
  • P3981 Ford Transit
  • P3981 Ford Transit Connect
  • P3981 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.