B1021

B1021 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1021 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 B1021 Fault Code Meaning :

Ford B1021 Symptoms :

Ford B1021 Reasons :

How To Fix Ford B1021 Trouble Code ?

Which Ford cars have the code B1021?

  • B1021 Ford Aerostar
  • B1021 Ford Bronco
  • B1021 Ford C-Max
  • B1021 Ford C-Max Energi
  • B1021 Ford C-Max Hybrid
  • B1021 Ford Contour
  • B1021 Ford Crown Victoria
  • B1021 Ford EcoSport
  • B1021 Ford Econoline
  • B1021 Ford Edge
  • B1021 Ford Escape
  • B1021 Ford Escape Hybrid
  • B1021 Ford Escort
  • B1021 Ford Everest
  • B1021 Ford Excursion
  • B1021 Ford Expedition
  • B1021 Ford Explorer
  • B1021 Ford Explorer Sport Trac
  • B1021 Ford F-150
  • B1021 Ford F-250
  • B1021 Ford F-350
  • B1021 Ford Fiesta
  • B1021 Ford Flex
  • B1021 Ford Focus
  • B1021 Ford Focus Electric
  • B1021 Ford Freestar
  • B1021 Ford Freestyle
  • B1021 Ford Fusion
  • B1021 Ford Fusion Energi
  • B1021 Ford Fusion Hybrid
  • B1021 Ford Fusion Plug-In Hybrid
  • B1021 Ford GT
  • B1021 Ford Mustang
  • B1021 Ford Mustang Mach-E
  • B1021 Ford Mystique
  • B1021 Ford Probe
  • B1021 Ford Ranger
  • B1021 Ford Taurus
  • B1021 Ford Taurus X
  • B1021 Ford Tempo
  • B1021 Ford Thunderbird
  • B1021 Ford Transit
  • B1021 Ford Transit Connect
  • B1021 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.