P3973

P3973 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3973 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 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 P3973 Fault Code Meaning :

Ford P3973 Symptoms :

Ford P3973 Reasons :

How To Fix Ford P3973 Trouble Code ?

Which Ford cars have the code P3973?

  • P3973 Ford Aerostar
  • P3973 Ford Bronco
  • P3973 Ford C-Max
  • P3973 Ford C-Max Energi
  • P3973 Ford C-Max Hybrid
  • P3973 Ford Contour
  • P3973 Ford Crown Victoria
  • P3973 Ford EcoSport
  • P3973 Ford Econoline
  • P3973 Ford Edge
  • P3973 Ford Escape
  • P3973 Ford Escape Hybrid
  • P3973 Ford Escort
  • P3973 Ford Everest
  • P3973 Ford Excursion
  • P3973 Ford Expedition
  • P3973 Ford Explorer
  • P3973 Ford Explorer Sport Trac
  • P3973 Ford F-150
  • P3973 Ford F-250
  • P3973 Ford F-350
  • P3973 Ford Fiesta
  • P3973 Ford Flex
  • P3973 Ford Focus
  • P3973 Ford Focus Electric
  • P3973 Ford Freestar
  • P3973 Ford Freestyle
  • P3973 Ford Fusion
  • P3973 Ford Fusion Energi
  • P3973 Ford Fusion Hybrid
  • P3973 Ford Fusion Plug-In Hybrid
  • P3973 Ford GT
  • P3973 Ford Mustang
  • P3973 Ford Mustang Mach-E
  • P3973 Ford Mystique
  • P3973 Ford Probe
  • P3973 Ford Ranger
  • P3973 Ford Taurus
  • P3973 Ford Taurus X
  • P3973 Ford Tempo
  • P3973 Ford Thunderbird
  • P3973 Ford Transit
  • P3973 Ford Transit Connect
  • P3973 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.