B3963

B3963 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3963 Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.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 BHM drives the 5 cab overhead clearance and ID lamps from connector B5 pin C on circuit 46. All other marker and tail lamps are driven from BHM connector B1,K on circuit 23. This circuit connects to the CHM as an input at connector J3,P.

Ford B3963 Fault Code Meaning :

Ford B3963 Symptoms :

Ford B3963 Reasons :

How To Fix Ford B3963 Trouble Code ?

Which Ford cars have the code B3963?

  • B3963 Ford Aerostar
  • B3963 Ford Bronco
  • B3963 Ford C-Max
  • B3963 Ford C-Max Energi
  • B3963 Ford C-Max Hybrid
  • B3963 Ford Contour
  • B3963 Ford Crown Victoria
  • B3963 Ford EcoSport
  • B3963 Ford Econoline
  • B3963 Ford Edge
  • B3963 Ford Escape
  • B3963 Ford Escape Hybrid
  • B3963 Ford Escort
  • B3963 Ford Everest
  • B3963 Ford Excursion
  • B3963 Ford Expedition
  • B3963 Ford Explorer
  • B3963 Ford Explorer Sport Trac
  • B3963 Ford F-150
  • B3963 Ford F-250
  • B3963 Ford F-350
  • B3963 Ford Fiesta
  • B3963 Ford Flex
  • B3963 Ford Focus
  • B3963 Ford Focus Electric
  • B3963 Ford Freestar
  • B3963 Ford Freestyle
  • B3963 Ford Fusion
  • B3963 Ford Fusion Energi
  • B3963 Ford Fusion Hybrid
  • B3963 Ford Fusion Plug-In Hybrid
  • B3963 Ford GT
  • B3963 Ford Mustang
  • B3963 Ford Mustang Mach-E
  • B3963 Ford Mystique
  • B3963 Ford Probe
  • B3963 Ford Ranger
  • B3963 Ford Taurus
  • B3963 Ford Taurus X
  • B3963 Ford Tempo
  • B3963 Ford Thunderbird
  • B3963 Ford Transit
  • B3963 Ford Transit Connect
  • B3963 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.