P1B4D

P1B4D Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P1B4D 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 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 P1B4D Fault Code Meaning :

Ford P1B4D Symptoms :

Ford P1B4D Reasons :

How To Fix Ford P1B4D Trouble Code ?

Which Ford cars have the code P1B4D?

  • P1B4D Ford Aerostar
  • P1B4D Ford Bronco
  • P1B4D Ford C-Max
  • P1B4D Ford C-Max Energi
  • P1B4D Ford C-Max Hybrid
  • P1B4D Ford Contour
  • P1B4D Ford Crown Victoria
  • P1B4D Ford EcoSport
  • P1B4D Ford Econoline
  • P1B4D Ford Edge
  • P1B4D Ford Escape
  • P1B4D Ford Escape Hybrid
  • P1B4D Ford Escort
  • P1B4D Ford Everest
  • P1B4D Ford Excursion
  • P1B4D Ford Expedition
  • P1B4D Ford Explorer
  • P1B4D Ford Explorer Sport Trac
  • P1B4D Ford F-150
  • P1B4D Ford F-250
  • P1B4D Ford F-350
  • P1B4D Ford Fiesta
  • P1B4D Ford Flex
  • P1B4D Ford Focus
  • P1B4D Ford Focus Electric
  • P1B4D Ford Freestar
  • P1B4D Ford Freestyle
  • P1B4D Ford Fusion
  • P1B4D Ford Fusion Energi
  • P1B4D Ford Fusion Hybrid
  • P1B4D Ford Fusion Plug-In Hybrid
  • P1B4D Ford GT
  • P1B4D Ford Mustang
  • P1B4D Ford Mustang Mach-E
  • P1B4D Ford Mystique
  • P1B4D Ford Probe
  • P1B4D Ford Ranger
  • P1B4D Ford Taurus
  • P1B4D Ford Taurus X
  • P1B4D Ford Tempo
  • P1B4D Ford Thunderbird
  • P1B4D Ford Transit
  • P1B4D Ford Transit Connect
  • P1B4D 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.