C0821

C0821 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C0821 Diagnosis

The PTO 1 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for PTO 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 C0821 Fault Code Meaning :

Ford C0821 Symptoms :

Ford C0821 Reasons :

How To Fix Ford C0821 Trouble Code ?

Which Ford cars have the code C0821?

  • C0821 Ford Aerostar
  • C0821 Ford Bronco
  • C0821 Ford C-Max
  • C0821 Ford C-Max Energi
  • C0821 Ford C-Max Hybrid
  • C0821 Ford Contour
  • C0821 Ford Crown Victoria
  • C0821 Ford EcoSport
  • C0821 Ford Econoline
  • C0821 Ford Edge
  • C0821 Ford Escape
  • C0821 Ford Escape Hybrid
  • C0821 Ford Escort
  • C0821 Ford Everest
  • C0821 Ford Excursion
  • C0821 Ford Expedition
  • C0821 Ford Explorer
  • C0821 Ford Explorer Sport Trac
  • C0821 Ford F-150
  • C0821 Ford F-250
  • C0821 Ford F-350
  • C0821 Ford Fiesta
  • C0821 Ford Flex
  • C0821 Ford Focus
  • C0821 Ford Focus Electric
  • C0821 Ford Freestar
  • C0821 Ford Freestyle
  • C0821 Ford Fusion
  • C0821 Ford Fusion Energi
  • C0821 Ford Fusion Hybrid
  • C0821 Ford Fusion Plug-In Hybrid
  • C0821 Ford GT
  • C0821 Ford Mustang
  • C0821 Ford Mustang Mach-E
  • C0821 Ford Mystique
  • C0821 Ford Probe
  • C0821 Ford Ranger
  • C0821 Ford Taurus
  • C0821 Ford Taurus X
  • C0821 Ford Tempo
  • C0821 Ford Thunderbird
  • C0821 Ford Transit
  • C0821 Ford Transit Connect
  • C0821 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.