B0645

B0645 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B0645 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 B0645 Fault Code Meaning :

Ford B0645 Symptoms :

Ford B0645 Reasons :

How To Fix Ford B0645 Trouble Code ?

Which Ford cars have the code B0645?

  • B0645 Ford Aerostar
  • B0645 Ford Bronco
  • B0645 Ford C-Max
  • B0645 Ford C-Max Energi
  • B0645 Ford C-Max Hybrid
  • B0645 Ford Contour
  • B0645 Ford Crown Victoria
  • B0645 Ford EcoSport
  • B0645 Ford Econoline
  • B0645 Ford Edge
  • B0645 Ford Escape
  • B0645 Ford Escape Hybrid
  • B0645 Ford Escort
  • B0645 Ford Everest
  • B0645 Ford Excursion
  • B0645 Ford Expedition
  • B0645 Ford Explorer
  • B0645 Ford Explorer Sport Trac
  • B0645 Ford F-150
  • B0645 Ford F-250
  • B0645 Ford F-350
  • B0645 Ford Fiesta
  • B0645 Ford Flex
  • B0645 Ford Focus
  • B0645 Ford Focus Electric
  • B0645 Ford Freestar
  • B0645 Ford Freestyle
  • B0645 Ford Fusion
  • B0645 Ford Fusion Energi
  • B0645 Ford Fusion Hybrid
  • B0645 Ford Fusion Plug-In Hybrid
  • B0645 Ford GT
  • B0645 Ford Mustang
  • B0645 Ford Mustang Mach-E
  • B0645 Ford Mystique
  • B0645 Ford Probe
  • B0645 Ford Ranger
  • B0645 Ford Taurus
  • B0645 Ford Taurus X
  • B0645 Ford Tempo
  • B0645 Ford Thunderbird
  • B0645 Ford Transit
  • B0645 Ford Transit Connect
  • B0645 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.