B1781

B1781 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1781 Diagnosis

The output circuits that are powered by VBAT2 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. 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 B1781 Fault Code Meaning :

Ford B1781 Symptoms :

Ford B1781 Reasons :

How To Fix Ford B1781 Trouble Code ?

Which Ford cars have the code B1781?

  • B1781 Ford Aerostar
  • B1781 Ford Bronco
  • B1781 Ford C-Max
  • B1781 Ford C-Max Energi
  • B1781 Ford C-Max Hybrid
  • B1781 Ford Contour
  • B1781 Ford Crown Victoria
  • B1781 Ford EcoSport
  • B1781 Ford Econoline
  • B1781 Ford Edge
  • B1781 Ford Escape
  • B1781 Ford Escape Hybrid
  • B1781 Ford Escort
  • B1781 Ford Everest
  • B1781 Ford Excursion
  • B1781 Ford Expedition
  • B1781 Ford Explorer
  • B1781 Ford Explorer Sport Trac
  • B1781 Ford F-150
  • B1781 Ford F-250
  • B1781 Ford F-350
  • B1781 Ford Fiesta
  • B1781 Ford Flex
  • B1781 Ford Focus
  • B1781 Ford Focus Electric
  • B1781 Ford Freestar
  • B1781 Ford Freestyle
  • B1781 Ford Fusion
  • B1781 Ford Fusion Energi
  • B1781 Ford Fusion Hybrid
  • B1781 Ford Fusion Plug-In Hybrid
  • B1781 Ford GT
  • B1781 Ford Mustang
  • B1781 Ford Mustang Mach-E
  • B1781 Ford Mystique
  • B1781 Ford Probe
  • B1781 Ford Ranger
  • B1781 Ford Taurus
  • B1781 Ford Taurus X
  • B1781 Ford Tempo
  • B1781 Ford Thunderbird
  • B1781 Ford Transit
  • B1781 Ford Transit Connect
  • B1781 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.