B1681

B1681 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1681 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 OFF.

The disconnected pipe malfunction is detected when the ventilator tube from the valve cover to the separator device is disconnected resulting in a pressure below the lower limit.Both of these malfunctions will result in a DTC being set.

Ford B1681 Fault Code Meaning :

Ford B1681 Symptoms :

Ford B1681 Reasons :

How To Fix Ford B1681 Trouble Code ?

Which Ford cars have the code B1681?

  • B1681 Ford Aerostar
  • B1681 Ford Bronco
  • B1681 Ford C-Max
  • B1681 Ford C-Max Energi
  • B1681 Ford C-Max Hybrid
  • B1681 Ford Contour
  • B1681 Ford Crown Victoria
  • B1681 Ford EcoSport
  • B1681 Ford Econoline
  • B1681 Ford Edge
  • B1681 Ford Escape
  • B1681 Ford Escape Hybrid
  • B1681 Ford Escort
  • B1681 Ford Everest
  • B1681 Ford Excursion
  • B1681 Ford Expedition
  • B1681 Ford Explorer
  • B1681 Ford Explorer Sport Trac
  • B1681 Ford F-150
  • B1681 Ford F-250
  • B1681 Ford F-350
  • B1681 Ford Fiesta
  • B1681 Ford Flex
  • B1681 Ford Focus
  • B1681 Ford Focus Electric
  • B1681 Ford Freestar
  • B1681 Ford Freestyle
  • B1681 Ford Fusion
  • B1681 Ford Fusion Energi
  • B1681 Ford Fusion Hybrid
  • B1681 Ford Fusion Plug-In Hybrid
  • B1681 Ford GT
  • B1681 Ford Mustang
  • B1681 Ford Mustang Mach-E
  • B1681 Ford Mystique
  • B1681 Ford Probe
  • B1681 Ford Ranger
  • B1681 Ford Taurus
  • B1681 Ford Taurus X
  • B1681 Ford Tempo
  • B1681 Ford Thunderbird
  • B1681 Ford Transit
  • B1681 Ford Transit Connect
  • B1681 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.