U1556

U1556 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1556 Diagnosis

The PTO 1 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for PTO 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 U1556 Fault Code Meaning :

Ford U1556 Symptoms :

Ford U1556 Reasons :

How To Fix Ford U1556 Trouble Code ?

Which Ford cars have the code U1556?

  • U1556 Ford Aerostar
  • U1556 Ford Bronco
  • U1556 Ford C-Max
  • U1556 Ford C-Max Energi
  • U1556 Ford C-Max Hybrid
  • U1556 Ford Contour
  • U1556 Ford Crown Victoria
  • U1556 Ford EcoSport
  • U1556 Ford Econoline
  • U1556 Ford Edge
  • U1556 Ford Escape
  • U1556 Ford Escape Hybrid
  • U1556 Ford Escort
  • U1556 Ford Everest
  • U1556 Ford Excursion
  • U1556 Ford Expedition
  • U1556 Ford Explorer
  • U1556 Ford Explorer Sport Trac
  • U1556 Ford F-150
  • U1556 Ford F-250
  • U1556 Ford F-350
  • U1556 Ford Fiesta
  • U1556 Ford Flex
  • U1556 Ford Focus
  • U1556 Ford Focus Electric
  • U1556 Ford Freestar
  • U1556 Ford Freestyle
  • U1556 Ford Fusion
  • U1556 Ford Fusion Energi
  • U1556 Ford Fusion Hybrid
  • U1556 Ford Fusion Plug-In Hybrid
  • U1556 Ford GT
  • U1556 Ford Mustang
  • U1556 Ford Mustang Mach-E
  • U1556 Ford Mystique
  • U1556 Ford Probe
  • U1556 Ford Ranger
  • U1556 Ford Taurus
  • U1556 Ford Taurus X
  • U1556 Ford Tempo
  • U1556 Ford Thunderbird
  • U1556 Ford Transit
  • U1556 Ford Transit Connect
  • U1556 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.