C1421

C1421 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C1421 Diagnosis

The axle lift 2 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for axle lift 2 air solenoid fault, and for air pressure switch short 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.

The BHM measures the current on this circuit when the starter output is commanded ON. This fault indicates the magnetic switch or the wiring between the BHM and the magnetic switch is open circuit.

Ford C1421 Fault Code Meaning :

Ford C1421 Symptoms :

Ford C1421 Reasons :

How To Fix Ford C1421 Trouble Code ?

Which Ford cars have the code C1421?

  • C1421 Ford Aerostar
  • C1421 Ford Bronco
  • C1421 Ford C-Max
  • C1421 Ford C-Max Energi
  • C1421 Ford C-Max Hybrid
  • C1421 Ford Contour
  • C1421 Ford Crown Victoria
  • C1421 Ford EcoSport
  • C1421 Ford Econoline
  • C1421 Ford Edge
  • C1421 Ford Escape
  • C1421 Ford Escape Hybrid
  • C1421 Ford Escort
  • C1421 Ford Everest
  • C1421 Ford Excursion
  • C1421 Ford Expedition
  • C1421 Ford Explorer
  • C1421 Ford Explorer Sport Trac
  • C1421 Ford F-150
  • C1421 Ford F-250
  • C1421 Ford F-350
  • C1421 Ford Fiesta
  • C1421 Ford Flex
  • C1421 Ford Focus
  • C1421 Ford Focus Electric
  • C1421 Ford Freestar
  • C1421 Ford Freestyle
  • C1421 Ford Fusion
  • C1421 Ford Fusion Energi
  • C1421 Ford Fusion Hybrid
  • C1421 Ford Fusion Plug-In Hybrid
  • C1421 Ford GT
  • C1421 Ford Mustang
  • C1421 Ford Mustang Mach-E
  • C1421 Ford Mystique
  • C1421 Ford Probe
  • C1421 Ford Ranger
  • C1421 Ford Taurus
  • C1421 Ford Taurus X
  • C1421 Ford Tempo
  • C1421 Ford Thunderbird
  • C1421 Ford Transit
  • C1421 Ford Transit Connect
  • C1421 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.