B3964

B3964 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3964 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open 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.

This circuit connects to the CHM as an input at connector J3,P. The CHM passes the signal through to power the tail lamps and marker lamps from connector C2 pin G and also from connector C1 pins D, E, and F.

Ford B3964 Fault Code Meaning :

Ford B3964 Symptoms :

Ford B3964 Reasons :

How To Fix Ford B3964 Trouble Code ?

Which Ford cars have the code B3964?

  • B3964 Ford Aerostar
  • B3964 Ford Bronco
  • B3964 Ford C-Max
  • B3964 Ford C-Max Energi
  • B3964 Ford C-Max Hybrid
  • B3964 Ford Contour
  • B3964 Ford Crown Victoria
  • B3964 Ford EcoSport
  • B3964 Ford Econoline
  • B3964 Ford Edge
  • B3964 Ford Escape
  • B3964 Ford Escape Hybrid
  • B3964 Ford Escort
  • B3964 Ford Everest
  • B3964 Ford Excursion
  • B3964 Ford Expedition
  • B3964 Ford Explorer
  • B3964 Ford Explorer Sport Trac
  • B3964 Ford F-150
  • B3964 Ford F-250
  • B3964 Ford F-350
  • B3964 Ford Fiesta
  • B3964 Ford Flex
  • B3964 Ford Focus
  • B3964 Ford Focus Electric
  • B3964 Ford Freestar
  • B3964 Ford Freestyle
  • B3964 Ford Fusion
  • B3964 Ford Fusion Energi
  • B3964 Ford Fusion Hybrid
  • B3964 Ford Fusion Plug-In Hybrid
  • B3964 Ford GT
  • B3964 Ford Mustang
  • B3964 Ford Mustang Mach-E
  • B3964 Ford Mystique
  • B3964 Ford Probe
  • B3964 Ford Ranger
  • B3964 Ford Taurus
  • B3964 Ford Taurus X
  • B3964 Ford Tempo
  • B3964 Ford Thunderbird
  • B3964 Ford Transit
  • B3964 Ford Transit Connect
  • B3964 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.