P21D2

P21D2 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P21D2 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open circuit fault.Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.

This circuit connects to the CHM as an input at connector J3,P. The CHM passes the signal through to power the tail lamps and marker lamps from connector C2 pin G and also from connector C1 pins D, E, and F.

Ford P21D2 Fault Code Meaning :

Ford P21D2 Symptoms :

Ford P21D2 Reasons :

How To Fix Ford P21D2 Trouble Code ?

Which Ford cars have the code P21D2?

  • P21D2 Ford Aerostar
  • P21D2 Ford Bronco
  • P21D2 Ford C-Max
  • P21D2 Ford C-Max Energi
  • P21D2 Ford C-Max Hybrid
  • P21D2 Ford Contour
  • P21D2 Ford Crown Victoria
  • P21D2 Ford EcoSport
  • P21D2 Ford Econoline
  • P21D2 Ford Edge
  • P21D2 Ford Escape
  • P21D2 Ford Escape Hybrid
  • P21D2 Ford Escort
  • P21D2 Ford Everest
  • P21D2 Ford Excursion
  • P21D2 Ford Expedition
  • P21D2 Ford Explorer
  • P21D2 Ford Explorer Sport Trac
  • P21D2 Ford F-150
  • P21D2 Ford F-250
  • P21D2 Ford F-350
  • P21D2 Ford Fiesta
  • P21D2 Ford Flex
  • P21D2 Ford Focus
  • P21D2 Ford Focus Electric
  • P21D2 Ford Freestar
  • P21D2 Ford Freestyle
  • P21D2 Ford Fusion
  • P21D2 Ford Fusion Energi
  • P21D2 Ford Fusion Hybrid
  • P21D2 Ford Fusion Plug-In Hybrid
  • P21D2 Ford GT
  • P21D2 Ford Mustang
  • P21D2 Ford Mustang Mach-E
  • P21D2 Ford Mystique
  • P21D2 Ford Probe
  • P21D2 Ford Ranger
  • P21D2 Ford Taurus
  • P21D2 Ford Taurus X
  • P21D2 Ford Tempo
  • P21D2 Ford Thunderbird
  • P21D2 Ford Transit
  • P21D2 Ford Transit Connect
  • P21D2 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.