C1891

C1891 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C1891 Diagnosis

The PTO 1 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for PTO 2 air solenoid fault, and for air pressure switch short circuit fault.The position information for the switch becomes Not Available. Remove the duplicate Smart Switch, then use ServiceLink to verify that the correct Smart Switches are configured for the vehicle.

Engine starting is disabled and other optional functions may be interrupted until the fault is corrected and the ignition switch is cycled.

Ford C1891 Fault Code Meaning :

Ford C1891 Symptoms :

Ford C1891 Reasons :

How To Fix Ford C1891 Trouble Code ?

Which Ford cars have the code C1891?

  • C1891 Ford Aerostar
  • C1891 Ford Bronco
  • C1891 Ford C-Max
  • C1891 Ford C-Max Energi
  • C1891 Ford C-Max Hybrid
  • C1891 Ford Contour
  • C1891 Ford Crown Victoria
  • C1891 Ford EcoSport
  • C1891 Ford Econoline
  • C1891 Ford Edge
  • C1891 Ford Escape
  • C1891 Ford Escape Hybrid
  • C1891 Ford Escort
  • C1891 Ford Everest
  • C1891 Ford Excursion
  • C1891 Ford Expedition
  • C1891 Ford Explorer
  • C1891 Ford Explorer Sport Trac
  • C1891 Ford F-150
  • C1891 Ford F-250
  • C1891 Ford F-350
  • C1891 Ford Fiesta
  • C1891 Ford Flex
  • C1891 Ford Focus
  • C1891 Ford Focus Electric
  • C1891 Ford Freestar
  • C1891 Ford Freestyle
  • C1891 Ford Fusion
  • C1891 Ford Fusion Energi
  • C1891 Ford Fusion Hybrid
  • C1891 Ford Fusion Plug-In Hybrid
  • C1891 Ford GT
  • C1891 Ford Mustang
  • C1891 Ford Mustang Mach-E
  • C1891 Ford Mystique
  • C1891 Ford Probe
  • C1891 Ford Ranger
  • C1891 Ford Taurus
  • C1891 Ford Taurus X
  • C1891 Ford Tempo
  • C1891 Ford Thunderbird
  • C1891 Ford Transit
  • C1891 Ford Transit Connect
  • C1891 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.