B1789

B1789 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1789 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

The suspension proportioning output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension proportioning air solenoid fault, and for air pressure switch short circuit fault.

Ford B1789 Fault Code Meaning :

Ford B1789 Symptoms :

Ford B1789 Reasons :

How To Fix Ford B1789 Trouble Code ?

Which Ford cars have the code B1789?

  • B1789 Ford Aerostar
  • B1789 Ford Bronco
  • B1789 Ford C-Max
  • B1789 Ford C-Max Energi
  • B1789 Ford C-Max Hybrid
  • B1789 Ford Contour
  • B1789 Ford Crown Victoria
  • B1789 Ford EcoSport
  • B1789 Ford Econoline
  • B1789 Ford Edge
  • B1789 Ford Escape
  • B1789 Ford Escape Hybrid
  • B1789 Ford Escort
  • B1789 Ford Everest
  • B1789 Ford Excursion
  • B1789 Ford Expedition
  • B1789 Ford Explorer
  • B1789 Ford Explorer Sport Trac
  • B1789 Ford F-150
  • B1789 Ford F-250
  • B1789 Ford F-350
  • B1789 Ford Fiesta
  • B1789 Ford Flex
  • B1789 Ford Focus
  • B1789 Ford Focus Electric
  • B1789 Ford Freestar
  • B1789 Ford Freestyle
  • B1789 Ford Fusion
  • B1789 Ford Fusion Energi
  • B1789 Ford Fusion Hybrid
  • B1789 Ford Fusion Plug-In Hybrid
  • B1789 Ford GT
  • B1789 Ford Mustang
  • B1789 Ford Mustang Mach-E
  • B1789 Ford Mystique
  • B1789 Ford Probe
  • B1789 Ford Ranger
  • B1789 Ford Taurus
  • B1789 Ford Taurus X
  • B1789 Ford Tempo
  • B1789 Ford Thunderbird
  • B1789 Ford Transit
  • B1789 Ford Transit Connect
  • B1789 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.