U1981

U1981 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1981 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 U1981 Fault Code Meaning :

Ford U1981 Symptoms :

Ford U1981 Reasons :

How To Fix Ford U1981 Trouble Code ?

Which Ford cars have the code U1981?

  • U1981 Ford Aerostar
  • U1981 Ford Bronco
  • U1981 Ford C-Max
  • U1981 Ford C-Max Energi
  • U1981 Ford C-Max Hybrid
  • U1981 Ford Contour
  • U1981 Ford Crown Victoria
  • U1981 Ford EcoSport
  • U1981 Ford Econoline
  • U1981 Ford Edge
  • U1981 Ford Escape
  • U1981 Ford Escape Hybrid
  • U1981 Ford Escort
  • U1981 Ford Everest
  • U1981 Ford Excursion
  • U1981 Ford Expedition
  • U1981 Ford Explorer
  • U1981 Ford Explorer Sport Trac
  • U1981 Ford F-150
  • U1981 Ford F-250
  • U1981 Ford F-350
  • U1981 Ford Fiesta
  • U1981 Ford Flex
  • U1981 Ford Focus
  • U1981 Ford Focus Electric
  • U1981 Ford Freestar
  • U1981 Ford Freestyle
  • U1981 Ford Fusion
  • U1981 Ford Fusion Energi
  • U1981 Ford Fusion Hybrid
  • U1981 Ford Fusion Plug-In Hybrid
  • U1981 Ford GT
  • U1981 Ford Mustang
  • U1981 Ford Mustang Mach-E
  • U1981 Ford Mystique
  • U1981 Ford Probe
  • U1981 Ford Ranger
  • U1981 Ford Taurus
  • U1981 Ford Taurus X
  • U1981 Ford Tempo
  • U1981 Ford Thunderbird
  • U1981 Ford Transit
  • U1981 Ford Transit Connect
  • U1981 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.