P3945

P3945 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3945 Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.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 top-of-clutch switch and bottom-of-clutch switch are both measured as closed at the same time. Troubleshoot for clutch switch shorted, or for a wiring fault between the clutch switch and the BHM.

Ford P3945 Fault Code Meaning :

Ford P3945 Symptoms :

Ford P3945 Reasons :

How To Fix Ford P3945 Trouble Code ?

Which Ford cars have the code P3945?

  • P3945 Ford Aerostar
  • P3945 Ford Bronco
  • P3945 Ford C-Max
  • P3945 Ford C-Max Energi
  • P3945 Ford C-Max Hybrid
  • P3945 Ford Contour
  • P3945 Ford Crown Victoria
  • P3945 Ford EcoSport
  • P3945 Ford Econoline
  • P3945 Ford Edge
  • P3945 Ford Escape
  • P3945 Ford Escape Hybrid
  • P3945 Ford Escort
  • P3945 Ford Everest
  • P3945 Ford Excursion
  • P3945 Ford Expedition
  • P3945 Ford Explorer
  • P3945 Ford Explorer Sport Trac
  • P3945 Ford F-150
  • P3945 Ford F-250
  • P3945 Ford F-350
  • P3945 Ford Fiesta
  • P3945 Ford Flex
  • P3945 Ford Focus
  • P3945 Ford Focus Electric
  • P3945 Ford Freestar
  • P3945 Ford Freestyle
  • P3945 Ford Fusion
  • P3945 Ford Fusion Energi
  • P3945 Ford Fusion Hybrid
  • P3945 Ford Fusion Plug-In Hybrid
  • P3945 Ford GT
  • P3945 Ford Mustang
  • P3945 Ford Mustang Mach-E
  • P3945 Ford Mystique
  • P3945 Ford Probe
  • P3945 Ford Ranger
  • P3945 Ford Taurus
  • P3945 Ford Taurus X
  • P3945 Ford Tempo
  • P3945 Ford Thunderbird
  • P3945 Ford Transit
  • P3945 Ford Transit Connect
  • P3945 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.