U1257

U1257 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1257 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.The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

The suspension proportioning output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension proportioning air solenoid fault, and for air pressure switch short circuit fault.

Ford U1257 Fault Code Meaning :

Ford U1257 Symptoms :

Ford U1257 Reasons :

How To Fix Ford U1257 Trouble Code ?

Which Ford cars have the code U1257?

  • U1257 Ford Aerostar
  • U1257 Ford Bronco
  • U1257 Ford C-Max
  • U1257 Ford C-Max Energi
  • U1257 Ford C-Max Hybrid
  • U1257 Ford Contour
  • U1257 Ford Crown Victoria
  • U1257 Ford EcoSport
  • U1257 Ford Econoline
  • U1257 Ford Edge
  • U1257 Ford Escape
  • U1257 Ford Escape Hybrid
  • U1257 Ford Escort
  • U1257 Ford Everest
  • U1257 Ford Excursion
  • U1257 Ford Expedition
  • U1257 Ford Explorer
  • U1257 Ford Explorer Sport Trac
  • U1257 Ford F-150
  • U1257 Ford F-250
  • U1257 Ford F-350
  • U1257 Ford Fiesta
  • U1257 Ford Flex
  • U1257 Ford Focus
  • U1257 Ford Focus Electric
  • U1257 Ford Freestar
  • U1257 Ford Freestyle
  • U1257 Ford Fusion
  • U1257 Ford Fusion Energi
  • U1257 Ford Fusion Hybrid
  • U1257 Ford Fusion Plug-In Hybrid
  • U1257 Ford GT
  • U1257 Ford Mustang
  • U1257 Ford Mustang Mach-E
  • U1257 Ford Mystique
  • U1257 Ford Probe
  • U1257 Ford Ranger
  • U1257 Ford Taurus
  • U1257 Ford Taurus X
  • U1257 Ford Tempo
  • U1257 Ford Thunderbird
  • U1257 Ford Transit
  • U1257 Ford Transit Connect
  • U1257 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.