C1851

C1851 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C1851 Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.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 C1851 Fault Code Meaning :

Ford C1851 Symptoms :

Ford C1851 Reasons :

How To Fix Ford C1851 Trouble Code ?

Which Ford cars have the code C1851?

  • C1851 Ford Aerostar
  • C1851 Ford Bronco
  • C1851 Ford C-Max
  • C1851 Ford C-Max Energi
  • C1851 Ford C-Max Hybrid
  • C1851 Ford Contour
  • C1851 Ford Crown Victoria
  • C1851 Ford EcoSport
  • C1851 Ford Econoline
  • C1851 Ford Edge
  • C1851 Ford Escape
  • C1851 Ford Escape Hybrid
  • C1851 Ford Escort
  • C1851 Ford Everest
  • C1851 Ford Excursion
  • C1851 Ford Expedition
  • C1851 Ford Explorer
  • C1851 Ford Explorer Sport Trac
  • C1851 Ford F-150
  • C1851 Ford F-250
  • C1851 Ford F-350
  • C1851 Ford Fiesta
  • C1851 Ford Flex
  • C1851 Ford Focus
  • C1851 Ford Focus Electric
  • C1851 Ford Freestar
  • C1851 Ford Freestyle
  • C1851 Ford Fusion
  • C1851 Ford Fusion Energi
  • C1851 Ford Fusion Hybrid
  • C1851 Ford Fusion Plug-In Hybrid
  • C1851 Ford GT
  • C1851 Ford Mustang
  • C1851 Ford Mustang Mach-E
  • C1851 Ford Mystique
  • C1851 Ford Probe
  • C1851 Ford Ranger
  • C1851 Ford Taurus
  • C1851 Ford Taurus X
  • C1851 Ford Tempo
  • C1851 Ford Thunderbird
  • C1851 Ford Transit
  • C1851 Ford Transit Connect
  • C1851 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.