P2421

P2421 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P2421 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.

The BHM drives the 5 cab overhead clearance and ID lamps from connector B5 pin C on circuit 46. All other marker and tail lamps are driven from BHM connector B1,K on circuit 23. This circuit connects to the CHM as an input at connector J3,P.

Ford P2421 Fault Code Meaning :

Ford P2421 Symptoms :

Ford P2421 Reasons :

How To Fix Ford P2421 Trouble Code ?

Which Ford cars have the code P2421?

  • P2421 Ford Aerostar
  • P2421 Ford Bronco
  • P2421 Ford C-Max
  • P2421 Ford C-Max Energi
  • P2421 Ford C-Max Hybrid
  • P2421 Ford Contour
  • P2421 Ford Crown Victoria
  • P2421 Ford EcoSport
  • P2421 Ford Econoline
  • P2421 Ford Edge
  • P2421 Ford Escape
  • P2421 Ford Escape Hybrid
  • P2421 Ford Escort
  • P2421 Ford Everest
  • P2421 Ford Excursion
  • P2421 Ford Expedition
  • P2421 Ford Explorer
  • P2421 Ford Explorer Sport Trac
  • P2421 Ford F-150
  • P2421 Ford F-250
  • P2421 Ford F-350
  • P2421 Ford Fiesta
  • P2421 Ford Flex
  • P2421 Ford Focus
  • P2421 Ford Focus Electric
  • P2421 Ford Freestar
  • P2421 Ford Freestyle
  • P2421 Ford Fusion
  • P2421 Ford Fusion Energi
  • P2421 Ford Fusion Hybrid
  • P2421 Ford Fusion Plug-In Hybrid
  • P2421 Ford GT
  • P2421 Ford Mustang
  • P2421 Ford Mustang Mach-E
  • P2421 Ford Mystique
  • P2421 Ford Probe
  • P2421 Ford Ranger
  • P2421 Ford Taurus
  • P2421 Ford Taurus X
  • P2421 Ford Tempo
  • P2421 Ford Thunderbird
  • P2421 Ford Transit
  • P2421 Ford Transit Connect
  • P2421 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.