B1866

B1866 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1866 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.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 B1866 Fault Code Meaning :

Ford B1866 Symptoms :

Ford B1866 Reasons :

How To Fix Ford B1866 Trouble Code ?

Which Ford cars have the code B1866?

  • B1866 Ford Aerostar
  • B1866 Ford Bronco
  • B1866 Ford C-Max
  • B1866 Ford C-Max Energi
  • B1866 Ford C-Max Hybrid
  • B1866 Ford Contour
  • B1866 Ford Crown Victoria
  • B1866 Ford EcoSport
  • B1866 Ford Econoline
  • B1866 Ford Edge
  • B1866 Ford Escape
  • B1866 Ford Escape Hybrid
  • B1866 Ford Escort
  • B1866 Ford Everest
  • B1866 Ford Excursion
  • B1866 Ford Expedition
  • B1866 Ford Explorer
  • B1866 Ford Explorer Sport Trac
  • B1866 Ford F-150
  • B1866 Ford F-250
  • B1866 Ford F-350
  • B1866 Ford Fiesta
  • B1866 Ford Flex
  • B1866 Ford Focus
  • B1866 Ford Focus Electric
  • B1866 Ford Freestar
  • B1866 Ford Freestyle
  • B1866 Ford Fusion
  • B1866 Ford Fusion Energi
  • B1866 Ford Fusion Hybrid
  • B1866 Ford Fusion Plug-In Hybrid
  • B1866 Ford GT
  • B1866 Ford Mustang
  • B1866 Ford Mustang Mach-E
  • B1866 Ford Mystique
  • B1866 Ford Probe
  • B1866 Ford Ranger
  • B1866 Ford Taurus
  • B1866 Ford Taurus X
  • B1866 Ford Tempo
  • B1866 Ford Thunderbird
  • B1866 Ford Transit
  • B1866 Ford Transit Connect
  • B1866 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.