U0640

U0640 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U0640 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 U0640 Fault Code Meaning :

Ford U0640 Symptoms :

Ford U0640 Reasons :

How To Fix Ford U0640 Trouble Code ?

Which Ford cars have the code U0640?

  • U0640 Ford Aerostar
  • U0640 Ford Bronco
  • U0640 Ford C-Max
  • U0640 Ford C-Max Energi
  • U0640 Ford C-Max Hybrid
  • U0640 Ford Contour
  • U0640 Ford Crown Victoria
  • U0640 Ford EcoSport
  • U0640 Ford Econoline
  • U0640 Ford Edge
  • U0640 Ford Escape
  • U0640 Ford Escape Hybrid
  • U0640 Ford Escort
  • U0640 Ford Everest
  • U0640 Ford Excursion
  • U0640 Ford Expedition
  • U0640 Ford Explorer
  • U0640 Ford Explorer Sport Trac
  • U0640 Ford F-150
  • U0640 Ford F-250
  • U0640 Ford F-350
  • U0640 Ford Fiesta
  • U0640 Ford Flex
  • U0640 Ford Focus
  • U0640 Ford Focus Electric
  • U0640 Ford Freestar
  • U0640 Ford Freestyle
  • U0640 Ford Fusion
  • U0640 Ford Fusion Energi
  • U0640 Ford Fusion Hybrid
  • U0640 Ford Fusion Plug-In Hybrid
  • U0640 Ford GT
  • U0640 Ford Mustang
  • U0640 Ford Mustang Mach-E
  • U0640 Ford Mystique
  • U0640 Ford Probe
  • U0640 Ford Ranger
  • U0640 Ford Taurus
  • U0640 Ford Taurus X
  • U0640 Ford Tempo
  • U0640 Ford Thunderbird
  • U0640 Ford Transit
  • U0640 Ford Transit Connect
  • U0640 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.