B3431

B3431 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3431 Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.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 B3431 Fault Code Meaning :

Ford B3431 Symptoms :

Ford B3431 Reasons :

How To Fix Ford B3431 Trouble Code ?

Which Ford cars have the code B3431?

  • B3431 Ford Aerostar
  • B3431 Ford Bronco
  • B3431 Ford C-Max
  • B3431 Ford C-Max Energi
  • B3431 Ford C-Max Hybrid
  • B3431 Ford Contour
  • B3431 Ford Crown Victoria
  • B3431 Ford EcoSport
  • B3431 Ford Econoline
  • B3431 Ford Edge
  • B3431 Ford Escape
  • B3431 Ford Escape Hybrid
  • B3431 Ford Escort
  • B3431 Ford Everest
  • B3431 Ford Excursion
  • B3431 Ford Expedition
  • B3431 Ford Explorer
  • B3431 Ford Explorer Sport Trac
  • B3431 Ford F-150
  • B3431 Ford F-250
  • B3431 Ford F-350
  • B3431 Ford Fiesta
  • B3431 Ford Flex
  • B3431 Ford Focus
  • B3431 Ford Focus Electric
  • B3431 Ford Freestar
  • B3431 Ford Freestyle
  • B3431 Ford Fusion
  • B3431 Ford Fusion Energi
  • B3431 Ford Fusion Hybrid
  • B3431 Ford Fusion Plug-In Hybrid
  • B3431 Ford GT
  • B3431 Ford Mustang
  • B3431 Ford Mustang Mach-E
  • B3431 Ford Mystique
  • B3431 Ford Probe
  • B3431 Ford Ranger
  • B3431 Ford Taurus
  • B3431 Ford Taurus X
  • B3431 Ford Tempo
  • B3431 Ford Thunderbird
  • B3431 Ford Transit
  • B3431 Ford Transit Connect
  • B3431 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.