U1639

U1639 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1639 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.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 U1639 Fault Code Meaning :

Ford U1639 Symptoms :

Ford U1639 Reasons :

How To Fix Ford U1639 Trouble Code ?

Which Ford cars have the code U1639?

  • U1639 Ford Aerostar
  • U1639 Ford Bronco
  • U1639 Ford C-Max
  • U1639 Ford C-Max Energi
  • U1639 Ford C-Max Hybrid
  • U1639 Ford Contour
  • U1639 Ford Crown Victoria
  • U1639 Ford EcoSport
  • U1639 Ford Econoline
  • U1639 Ford Edge
  • U1639 Ford Escape
  • U1639 Ford Escape Hybrid
  • U1639 Ford Escort
  • U1639 Ford Everest
  • U1639 Ford Excursion
  • U1639 Ford Expedition
  • U1639 Ford Explorer
  • U1639 Ford Explorer Sport Trac
  • U1639 Ford F-150
  • U1639 Ford F-250
  • U1639 Ford F-350
  • U1639 Ford Fiesta
  • U1639 Ford Flex
  • U1639 Ford Focus
  • U1639 Ford Focus Electric
  • U1639 Ford Freestar
  • U1639 Ford Freestyle
  • U1639 Ford Fusion
  • U1639 Ford Fusion Energi
  • U1639 Ford Fusion Hybrid
  • U1639 Ford Fusion Plug-In Hybrid
  • U1639 Ford GT
  • U1639 Ford Mustang
  • U1639 Ford Mustang Mach-E
  • U1639 Ford Mystique
  • U1639 Ford Probe
  • U1639 Ford Ranger
  • U1639 Ford Taurus
  • U1639 Ford Taurus X
  • U1639 Ford Tempo
  • U1639 Ford Thunderbird
  • U1639 Ford Transit
  • U1639 Ford Transit Connect
  • U1639 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.