U1491

U1491 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1491 Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.The position information for the switch becomes Not Available. Remove the duplicate Smart Switch, then use ServiceLink to verify that the correct Smart Switches are configured for the vehicle.

A comparison of pressures from all sensors is made. The smallest difference between the three is determined and a reference pressure is calculated. The Barometric pressure sensor value is compared to the reference value and if the difference is above the threshold a DTC is reported.

Ford U1491 Fault Code Meaning :

Ford U1491 Symptoms :

Ford U1491 Reasons :

How To Fix Ford U1491 Trouble Code ?

Which Ford cars have the code U1491?

  • U1491 Ford Aerostar
  • U1491 Ford Bronco
  • U1491 Ford C-Max
  • U1491 Ford C-Max Energi
  • U1491 Ford C-Max Hybrid
  • U1491 Ford Contour
  • U1491 Ford Crown Victoria
  • U1491 Ford EcoSport
  • U1491 Ford Econoline
  • U1491 Ford Edge
  • U1491 Ford Escape
  • U1491 Ford Escape Hybrid
  • U1491 Ford Escort
  • U1491 Ford Everest
  • U1491 Ford Excursion
  • U1491 Ford Expedition
  • U1491 Ford Explorer
  • U1491 Ford Explorer Sport Trac
  • U1491 Ford F-150
  • U1491 Ford F-250
  • U1491 Ford F-350
  • U1491 Ford Fiesta
  • U1491 Ford Flex
  • U1491 Ford Focus
  • U1491 Ford Focus Electric
  • U1491 Ford Freestar
  • U1491 Ford Freestyle
  • U1491 Ford Fusion
  • U1491 Ford Fusion Energi
  • U1491 Ford Fusion Hybrid
  • U1491 Ford Fusion Plug-In Hybrid
  • U1491 Ford GT
  • U1491 Ford Mustang
  • U1491 Ford Mustang Mach-E
  • U1491 Ford Mystique
  • U1491 Ford Probe
  • U1491 Ford Ranger
  • U1491 Ford Taurus
  • U1491 Ford Taurus X
  • U1491 Ford Tempo
  • U1491 Ford Thunderbird
  • U1491 Ford Transit
  • U1491 Ford Transit Connect
  • U1491 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.