C3945

C3945 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C3945 Diagnosis

The axle lift 2 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for axle lift 2 air solenoid fault, and for air pressure switch short circuit fault.Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.

The BHM measures the current on this circuit when the starter output is commanded ON. This fault indicates the magnetic switch or the wiring between the BHM and the magnetic switch is open circuit.

Ford C3945 Fault Code Meaning :

Ford C3945 Symptoms :

Ford C3945 Reasons :

How To Fix Ford C3945 Trouble Code ?

Which Ford cars have the code C3945?

  • C3945 Ford Aerostar
  • C3945 Ford Bronco
  • C3945 Ford C-Max
  • C3945 Ford C-Max Energi
  • C3945 Ford C-Max Hybrid
  • C3945 Ford Contour
  • C3945 Ford Crown Victoria
  • C3945 Ford EcoSport
  • C3945 Ford Econoline
  • C3945 Ford Edge
  • C3945 Ford Escape
  • C3945 Ford Escape Hybrid
  • C3945 Ford Escort
  • C3945 Ford Everest
  • C3945 Ford Excursion
  • C3945 Ford Expedition
  • C3945 Ford Explorer
  • C3945 Ford Explorer Sport Trac
  • C3945 Ford F-150
  • C3945 Ford F-250
  • C3945 Ford F-350
  • C3945 Ford Fiesta
  • C3945 Ford Flex
  • C3945 Ford Focus
  • C3945 Ford Focus Electric
  • C3945 Ford Freestar
  • C3945 Ford Freestyle
  • C3945 Ford Fusion
  • C3945 Ford Fusion Energi
  • C3945 Ford Fusion Hybrid
  • C3945 Ford Fusion Plug-In Hybrid
  • C3945 Ford GT
  • C3945 Ford Mustang
  • C3945 Ford Mustang Mach-E
  • C3945 Ford Mystique
  • C3945 Ford Probe
  • C3945 Ford Ranger
  • C3945 Ford Taurus
  • C3945 Ford Taurus X
  • C3945 Ford Tempo
  • C3945 Ford Thunderbird
  • C3945 Ford Transit
  • C3945 Ford Transit Connect
  • C3945 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.