P621B

P621B Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P621B 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 P621B Fault Code Meaning :

Ford P621B Symptoms :

Ford P621B Reasons :

How To Fix Ford P621B Trouble Code ?

Which Ford cars have the code P621B?

  • P621B Ford Aerostar
  • P621B Ford Bronco
  • P621B Ford C-Max
  • P621B Ford C-Max Energi
  • P621B Ford C-Max Hybrid
  • P621B Ford Contour
  • P621B Ford Crown Victoria
  • P621B Ford EcoSport
  • P621B Ford Econoline
  • P621B Ford Edge
  • P621B Ford Escape
  • P621B Ford Escape Hybrid
  • P621B Ford Escort
  • P621B Ford Everest
  • P621B Ford Excursion
  • P621B Ford Expedition
  • P621B Ford Explorer
  • P621B Ford Explorer Sport Trac
  • P621B Ford F-150
  • P621B Ford F-250
  • P621B Ford F-350
  • P621B Ford Fiesta
  • P621B Ford Flex
  • P621B Ford Focus
  • P621B Ford Focus Electric
  • P621B Ford Freestar
  • P621B Ford Freestyle
  • P621B Ford Fusion
  • P621B Ford Fusion Energi
  • P621B Ford Fusion Hybrid
  • P621B Ford Fusion Plug-In Hybrid
  • P621B Ford GT
  • P621B Ford Mustang
  • P621B Ford Mustang Mach-E
  • P621B Ford Mystique
  • P621B Ford Probe
  • P621B Ford Ranger
  • P621B Ford Taurus
  • P621B Ford Taurus X
  • P621B Ford Tempo
  • P621B Ford Thunderbird
  • P621B Ford Transit
  • P621B Ford Transit Connect
  • P621B 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.