B0389

B0389 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B0389 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 wiper switch is in the OFF position and the BHM park input from the wiper motor is not in park position. Troubleshoot for a wiper motor park switch circuit fault.

When the engine is in idle or in low engine speed and torque condition, the differential pressure over the DPF is expected to be close to zero. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford B0389 Fault Code Meaning :

Ford B0389 Symptoms :

Ford B0389 Reasons :

How To Fix Ford B0389 Trouble Code ?

Which Ford cars have the code B0389?

  • B0389 Ford Aerostar
  • B0389 Ford Bronco
  • B0389 Ford C-Max
  • B0389 Ford C-Max Energi
  • B0389 Ford C-Max Hybrid
  • B0389 Ford Contour
  • B0389 Ford Crown Victoria
  • B0389 Ford EcoSport
  • B0389 Ford Econoline
  • B0389 Ford Edge
  • B0389 Ford Escape
  • B0389 Ford Escape Hybrid
  • B0389 Ford Escort
  • B0389 Ford Everest
  • B0389 Ford Excursion
  • B0389 Ford Expedition
  • B0389 Ford Explorer
  • B0389 Ford Explorer Sport Trac
  • B0389 Ford F-150
  • B0389 Ford F-250
  • B0389 Ford F-350
  • B0389 Ford Fiesta
  • B0389 Ford Flex
  • B0389 Ford Focus
  • B0389 Ford Focus Electric
  • B0389 Ford Freestar
  • B0389 Ford Freestyle
  • B0389 Ford Fusion
  • B0389 Ford Fusion Energi
  • B0389 Ford Fusion Hybrid
  • B0389 Ford Fusion Plug-In Hybrid
  • B0389 Ford GT
  • B0389 Ford Mustang
  • B0389 Ford Mustang Mach-E
  • B0389 Ford Mystique
  • B0389 Ford Probe
  • B0389 Ford Ranger
  • B0389 Ford Taurus
  • B0389 Ford Taurus X
  • B0389 Ford Tempo
  • B0389 Ford Thunderbird
  • B0389 Ford Transit
  • B0389 Ford Transit Connect
  • B0389 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.