U1866

U1866 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1866 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 U1866 Fault Code Meaning :

Ford U1866 Symptoms :

Ford U1866 Reasons :

How To Fix Ford U1866 Trouble Code ?

Which Ford cars have the code U1866?

  • U1866 Ford Aerostar
  • U1866 Ford Bronco
  • U1866 Ford C-Max
  • U1866 Ford C-Max Energi
  • U1866 Ford C-Max Hybrid
  • U1866 Ford Contour
  • U1866 Ford Crown Victoria
  • U1866 Ford EcoSport
  • U1866 Ford Econoline
  • U1866 Ford Edge
  • U1866 Ford Escape
  • U1866 Ford Escape Hybrid
  • U1866 Ford Escort
  • U1866 Ford Everest
  • U1866 Ford Excursion
  • U1866 Ford Expedition
  • U1866 Ford Explorer
  • U1866 Ford Explorer Sport Trac
  • U1866 Ford F-150
  • U1866 Ford F-250
  • U1866 Ford F-350
  • U1866 Ford Fiesta
  • U1866 Ford Flex
  • U1866 Ford Focus
  • U1866 Ford Focus Electric
  • U1866 Ford Freestar
  • U1866 Ford Freestyle
  • U1866 Ford Fusion
  • U1866 Ford Fusion Energi
  • U1866 Ford Fusion Hybrid
  • U1866 Ford Fusion Plug-In Hybrid
  • U1866 Ford GT
  • U1866 Ford Mustang
  • U1866 Ford Mustang Mach-E
  • U1866 Ford Mystique
  • U1866 Ford Probe
  • U1866 Ford Ranger
  • U1866 Ford Taurus
  • U1866 Ford Taurus X
  • U1866 Ford Tempo
  • U1866 Ford Thunderbird
  • U1866 Ford Transit
  • U1866 Ford Transit Connect
  • U1866 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.