C3921

C3921 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C3921 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 C3921 Fault Code Meaning :

Ford C3921 Symptoms :

Ford C3921 Reasons :

How To Fix Ford C3921 Trouble Code ?

Which Ford cars have the code C3921?

  • C3921 Ford Aerostar
  • C3921 Ford Bronco
  • C3921 Ford C-Max
  • C3921 Ford C-Max Energi
  • C3921 Ford C-Max Hybrid
  • C3921 Ford Contour
  • C3921 Ford Crown Victoria
  • C3921 Ford EcoSport
  • C3921 Ford Econoline
  • C3921 Ford Edge
  • C3921 Ford Escape
  • C3921 Ford Escape Hybrid
  • C3921 Ford Escort
  • C3921 Ford Everest
  • C3921 Ford Excursion
  • C3921 Ford Expedition
  • C3921 Ford Explorer
  • C3921 Ford Explorer Sport Trac
  • C3921 Ford F-150
  • C3921 Ford F-250
  • C3921 Ford F-350
  • C3921 Ford Fiesta
  • C3921 Ford Flex
  • C3921 Ford Focus
  • C3921 Ford Focus Electric
  • C3921 Ford Freestar
  • C3921 Ford Freestyle
  • C3921 Ford Fusion
  • C3921 Ford Fusion Energi
  • C3921 Ford Fusion Hybrid
  • C3921 Ford Fusion Plug-In Hybrid
  • C3921 Ford GT
  • C3921 Ford Mustang
  • C3921 Ford Mustang Mach-E
  • C3921 Ford Mystique
  • C3921 Ford Probe
  • C3921 Ford Ranger
  • C3921 Ford Taurus
  • C3921 Ford Taurus X
  • C3921 Ford Tempo
  • C3921 Ford Thunderbird
  • C3921 Ford Transit
  • C3921 Ford Transit Connect
  • C3921 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.