B3821

B3821 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3821 Diagnosis

The axle lift 2 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for axle lift 2 air solenoid fault, and for air pressure switch short circuit fault.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 B3821 Fault Code Meaning :

Ford B3821 Symptoms :

Ford B3821 Reasons :

How To Fix Ford B3821 Trouble Code ?

Which Ford cars have the code B3821?

  • B3821 Ford Aerostar
  • B3821 Ford Bronco
  • B3821 Ford C-Max
  • B3821 Ford C-Max Energi
  • B3821 Ford C-Max Hybrid
  • B3821 Ford Contour
  • B3821 Ford Crown Victoria
  • B3821 Ford EcoSport
  • B3821 Ford Econoline
  • B3821 Ford Edge
  • B3821 Ford Escape
  • B3821 Ford Escape Hybrid
  • B3821 Ford Escort
  • B3821 Ford Everest
  • B3821 Ford Excursion
  • B3821 Ford Expedition
  • B3821 Ford Explorer
  • B3821 Ford Explorer Sport Trac
  • B3821 Ford F-150
  • B3821 Ford F-250
  • B3821 Ford F-350
  • B3821 Ford Fiesta
  • B3821 Ford Flex
  • B3821 Ford Focus
  • B3821 Ford Focus Electric
  • B3821 Ford Freestar
  • B3821 Ford Freestyle
  • B3821 Ford Fusion
  • B3821 Ford Fusion Energi
  • B3821 Ford Fusion Hybrid
  • B3821 Ford Fusion Plug-In Hybrid
  • B3821 Ford GT
  • B3821 Ford Mustang
  • B3821 Ford Mustang Mach-E
  • B3821 Ford Mystique
  • B3821 Ford Probe
  • B3821 Ford Ranger
  • B3821 Ford Taurus
  • B3821 Ford Taurus X
  • B3821 Ford Tempo
  • B3821 Ford Thunderbird
  • B3821 Ford Transit
  • B3821 Ford Transit Connect
  • B3821 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.