B1581

B1581 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1581 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 OFF.

The top-of-clutch switch and bottom-of-clutch switch are both measured as closed at the same time. Troubleshoot for clutch switch shorted, or for a wiring fault between the clutch switch and the BHM.

Ford B1581 Fault Code Meaning :

Ford B1581 Symptoms :

Ford B1581 Reasons :

How To Fix Ford B1581 Trouble Code ?

Which Ford cars have the code B1581?

  • B1581 Ford Aerostar
  • B1581 Ford Bronco
  • B1581 Ford C-Max
  • B1581 Ford C-Max Energi
  • B1581 Ford C-Max Hybrid
  • B1581 Ford Contour
  • B1581 Ford Crown Victoria
  • B1581 Ford EcoSport
  • B1581 Ford Econoline
  • B1581 Ford Edge
  • B1581 Ford Escape
  • B1581 Ford Escape Hybrid
  • B1581 Ford Escort
  • B1581 Ford Everest
  • B1581 Ford Excursion
  • B1581 Ford Expedition
  • B1581 Ford Explorer
  • B1581 Ford Explorer Sport Trac
  • B1581 Ford F-150
  • B1581 Ford F-250
  • B1581 Ford F-350
  • B1581 Ford Fiesta
  • B1581 Ford Flex
  • B1581 Ford Focus
  • B1581 Ford Focus Electric
  • B1581 Ford Freestar
  • B1581 Ford Freestyle
  • B1581 Ford Fusion
  • B1581 Ford Fusion Energi
  • B1581 Ford Fusion Hybrid
  • B1581 Ford Fusion Plug-In Hybrid
  • B1581 Ford GT
  • B1581 Ford Mustang
  • B1581 Ford Mustang Mach-E
  • B1581 Ford Mystique
  • B1581 Ford Probe
  • B1581 Ford Ranger
  • B1581 Ford Taurus
  • B1581 Ford Taurus X
  • B1581 Ford Tempo
  • B1581 Ford Thunderbird
  • B1581 Ford Transit
  • B1581 Ford Transit Connect
  • B1581 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.