C0789

C0789 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C0789 Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.

The BHM measures the current on this circuit when the starter output is commanded ON. This fault indicates the magnetic switch or the wiring between the BHM and the magnetic switch is open circuit.

Ford C0789 Fault Code Meaning :

Ford C0789 Symptoms :

Ford C0789 Reasons :

How To Fix Ford C0789 Trouble Code ?

Which Ford cars have the code C0789?

  • C0789 Ford Aerostar
  • C0789 Ford Bronco
  • C0789 Ford C-Max
  • C0789 Ford C-Max Energi
  • C0789 Ford C-Max Hybrid
  • C0789 Ford Contour
  • C0789 Ford Crown Victoria
  • C0789 Ford EcoSport
  • C0789 Ford Econoline
  • C0789 Ford Edge
  • C0789 Ford Escape
  • C0789 Ford Escape Hybrid
  • C0789 Ford Escort
  • C0789 Ford Everest
  • C0789 Ford Excursion
  • C0789 Ford Expedition
  • C0789 Ford Explorer
  • C0789 Ford Explorer Sport Trac
  • C0789 Ford F-150
  • C0789 Ford F-250
  • C0789 Ford F-350
  • C0789 Ford Fiesta
  • C0789 Ford Flex
  • C0789 Ford Focus
  • C0789 Ford Focus Electric
  • C0789 Ford Freestar
  • C0789 Ford Freestyle
  • C0789 Ford Fusion
  • C0789 Ford Fusion Energi
  • C0789 Ford Fusion Hybrid
  • C0789 Ford Fusion Plug-In Hybrid
  • C0789 Ford GT
  • C0789 Ford Mustang
  • C0789 Ford Mustang Mach-E
  • C0789 Ford Mystique
  • C0789 Ford Probe
  • C0789 Ford Ranger
  • C0789 Ford Taurus
  • C0789 Ford Taurus X
  • C0789 Ford Tempo
  • C0789 Ford Thunderbird
  • C0789 Ford Transit
  • C0789 Ford Transit Connect
  • C0789 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.