P3954

P3954 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3954 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 position information for the switch becomes Not Available. Remove the duplicate Smart Switch, then use ServiceLink to verify that the correct Smart Switches are configured for the vehicle.

Engine starting is disabled and other optional functions may be interrupted until the fault is corrected and the ignition switch is cycled.

Ford P3954 Fault Code Meaning :

Ford P3954 Symptoms :

Ford P3954 Reasons :

How To Fix Ford P3954 Trouble Code ?

Which Ford cars have the code P3954?

  • P3954 Ford Aerostar
  • P3954 Ford Bronco
  • P3954 Ford C-Max
  • P3954 Ford C-Max Energi
  • P3954 Ford C-Max Hybrid
  • P3954 Ford Contour
  • P3954 Ford Crown Victoria
  • P3954 Ford EcoSport
  • P3954 Ford Econoline
  • P3954 Ford Edge
  • P3954 Ford Escape
  • P3954 Ford Escape Hybrid
  • P3954 Ford Escort
  • P3954 Ford Everest
  • P3954 Ford Excursion
  • P3954 Ford Expedition
  • P3954 Ford Explorer
  • P3954 Ford Explorer Sport Trac
  • P3954 Ford F-150
  • P3954 Ford F-250
  • P3954 Ford F-350
  • P3954 Ford Fiesta
  • P3954 Ford Flex
  • P3954 Ford Focus
  • P3954 Ford Focus Electric
  • P3954 Ford Freestar
  • P3954 Ford Freestyle
  • P3954 Ford Fusion
  • P3954 Ford Fusion Energi
  • P3954 Ford Fusion Hybrid
  • P3954 Ford Fusion Plug-In Hybrid
  • P3954 Ford GT
  • P3954 Ford Mustang
  • P3954 Ford Mustang Mach-E
  • P3954 Ford Mystique
  • P3954 Ford Probe
  • P3954 Ford Ranger
  • P3954 Ford Taurus
  • P3954 Ford Taurus X
  • P3954 Ford Tempo
  • P3954 Ford Thunderbird
  • P3954 Ford Transit
  • P3954 Ford Transit Connect
  • P3954 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.