P789B

P789B Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P789B Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.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 P789B Fault Code Meaning :

Ford P789B Symptoms :

Ford P789B Reasons :

How To Fix Ford P789B Trouble Code ?

Which Ford cars have the code P789B?

  • P789B Ford Aerostar
  • P789B Ford Bronco
  • P789B Ford C-Max
  • P789B Ford C-Max Energi
  • P789B Ford C-Max Hybrid
  • P789B Ford Contour
  • P789B Ford Crown Victoria
  • P789B Ford EcoSport
  • P789B Ford Econoline
  • P789B Ford Edge
  • P789B Ford Escape
  • P789B Ford Escape Hybrid
  • P789B Ford Escort
  • P789B Ford Everest
  • P789B Ford Excursion
  • P789B Ford Expedition
  • P789B Ford Explorer
  • P789B Ford Explorer Sport Trac
  • P789B Ford F-150
  • P789B Ford F-250
  • P789B Ford F-350
  • P789B Ford Fiesta
  • P789B Ford Flex
  • P789B Ford Focus
  • P789B Ford Focus Electric
  • P789B Ford Freestar
  • P789B Ford Freestyle
  • P789B Ford Fusion
  • P789B Ford Fusion Energi
  • P789B Ford Fusion Hybrid
  • P789B Ford Fusion Plug-In Hybrid
  • P789B Ford GT
  • P789B Ford Mustang
  • P789B Ford Mustang Mach-E
  • P789B Ford Mystique
  • P789B Ford Probe
  • P789B Ford Ranger
  • P789B Ford Taurus
  • P789B Ford Taurus X
  • P789B Ford Tempo
  • P789B Ford Thunderbird
  • P789B Ford Transit
  • P789B Ford Transit Connect
  • P789B 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.