B3739

B3739 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3739 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.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 B3739 Fault Code Meaning :

Ford B3739 Symptoms :

Ford B3739 Reasons :

How To Fix Ford B3739 Trouble Code ?

Which Ford cars have the code B3739?

  • B3739 Ford Aerostar
  • B3739 Ford Bronco
  • B3739 Ford C-Max
  • B3739 Ford C-Max Energi
  • B3739 Ford C-Max Hybrid
  • B3739 Ford Contour
  • B3739 Ford Crown Victoria
  • B3739 Ford EcoSport
  • B3739 Ford Econoline
  • B3739 Ford Edge
  • B3739 Ford Escape
  • B3739 Ford Escape Hybrid
  • B3739 Ford Escort
  • B3739 Ford Everest
  • B3739 Ford Excursion
  • B3739 Ford Expedition
  • B3739 Ford Explorer
  • B3739 Ford Explorer Sport Trac
  • B3739 Ford F-150
  • B3739 Ford F-250
  • B3739 Ford F-350
  • B3739 Ford Fiesta
  • B3739 Ford Flex
  • B3739 Ford Focus
  • B3739 Ford Focus Electric
  • B3739 Ford Freestar
  • B3739 Ford Freestyle
  • B3739 Ford Fusion
  • B3739 Ford Fusion Energi
  • B3739 Ford Fusion Hybrid
  • B3739 Ford Fusion Plug-In Hybrid
  • B3739 Ford GT
  • B3739 Ford Mustang
  • B3739 Ford Mustang Mach-E
  • B3739 Ford Mystique
  • B3739 Ford Probe
  • B3739 Ford Ranger
  • B3739 Ford Taurus
  • B3739 Ford Taurus X
  • B3739 Ford Tempo
  • B3739 Ford Thunderbird
  • B3739 Ford Transit
  • B3739 Ford Transit Connect
  • B3739 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.