P21B6

P21B6 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P21B6 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 BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

The suspension proportioning output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension proportioning air solenoid fault, and for air pressure switch short circuit fault.

Ford P21B6 Fault Code Meaning :

Ford P21B6 Symptoms :

Ford P21B6 Reasons :

How To Fix Ford P21B6 Trouble Code ?

Which Ford cars have the code P21B6?

  • P21B6 Ford Aerostar
  • P21B6 Ford Bronco
  • P21B6 Ford C-Max
  • P21B6 Ford C-Max Energi
  • P21B6 Ford C-Max Hybrid
  • P21B6 Ford Contour
  • P21B6 Ford Crown Victoria
  • P21B6 Ford EcoSport
  • P21B6 Ford Econoline
  • P21B6 Ford Edge
  • P21B6 Ford Escape
  • P21B6 Ford Escape Hybrid
  • P21B6 Ford Escort
  • P21B6 Ford Everest
  • P21B6 Ford Excursion
  • P21B6 Ford Expedition
  • P21B6 Ford Explorer
  • P21B6 Ford Explorer Sport Trac
  • P21B6 Ford F-150
  • P21B6 Ford F-250
  • P21B6 Ford F-350
  • P21B6 Ford Fiesta
  • P21B6 Ford Flex
  • P21B6 Ford Focus
  • P21B6 Ford Focus Electric
  • P21B6 Ford Freestar
  • P21B6 Ford Freestyle
  • P21B6 Ford Fusion
  • P21B6 Ford Fusion Energi
  • P21B6 Ford Fusion Hybrid
  • P21B6 Ford Fusion Plug-In Hybrid
  • P21B6 Ford GT
  • P21B6 Ford Mustang
  • P21B6 Ford Mustang Mach-E
  • P21B6 Ford Mystique
  • P21B6 Ford Probe
  • P21B6 Ford Ranger
  • P21B6 Ford Taurus
  • P21B6 Ford Taurus X
  • P21B6 Ford Tempo
  • P21B6 Ford Thunderbird
  • P21B6 Ford Transit
  • P21B6 Ford Transit Connect
  • P21B6 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.