C1859

C1859 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C1859 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.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 FF.

The BHM drives the 5 cab overhead clearance and ID lamps from connector B5 pin C on circuit 46. All other marker and tail lamps are driven from BHM connector B1,K on circuit 23. This circuit connects to the CHM as an input at connector J3,P.

Ford C1859 Fault Code Meaning :

Ford C1859 Symptoms :

Ford C1859 Reasons :

How To Fix Ford C1859 Trouble Code ?

Which Ford cars have the code C1859?

  • C1859 Ford Aerostar
  • C1859 Ford Bronco
  • C1859 Ford C-Max
  • C1859 Ford C-Max Energi
  • C1859 Ford C-Max Hybrid
  • C1859 Ford Contour
  • C1859 Ford Crown Victoria
  • C1859 Ford EcoSport
  • C1859 Ford Econoline
  • C1859 Ford Edge
  • C1859 Ford Escape
  • C1859 Ford Escape Hybrid
  • C1859 Ford Escort
  • C1859 Ford Everest
  • C1859 Ford Excursion
  • C1859 Ford Expedition
  • C1859 Ford Explorer
  • C1859 Ford Explorer Sport Trac
  • C1859 Ford F-150
  • C1859 Ford F-250
  • C1859 Ford F-350
  • C1859 Ford Fiesta
  • C1859 Ford Flex
  • C1859 Ford Focus
  • C1859 Ford Focus Electric
  • C1859 Ford Freestar
  • C1859 Ford Freestyle
  • C1859 Ford Fusion
  • C1859 Ford Fusion Energi
  • C1859 Ford Fusion Hybrid
  • C1859 Ford Fusion Plug-In Hybrid
  • C1859 Ford GT
  • C1859 Ford Mustang
  • C1859 Ford Mustang Mach-E
  • C1859 Ford Mystique
  • C1859 Ford Probe
  • C1859 Ford Ranger
  • C1859 Ford Taurus
  • C1859 Ford Taurus X
  • C1859 Ford Tempo
  • C1859 Ford Thunderbird
  • C1859 Ford Transit
  • C1859 Ford Transit Connect
  • C1859 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.