P81A3

P81A3 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P81A3 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.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 P81A3 Fault Code Meaning :

Ford P81A3 Symptoms :

Ford P81A3 Reasons :

How To Fix Ford P81A3 Trouble Code ?

Which Ford cars have the code P81A3?

  • P81A3 Ford Aerostar
  • P81A3 Ford Bronco
  • P81A3 Ford C-Max
  • P81A3 Ford C-Max Energi
  • P81A3 Ford C-Max Hybrid
  • P81A3 Ford Contour
  • P81A3 Ford Crown Victoria
  • P81A3 Ford EcoSport
  • P81A3 Ford Econoline
  • P81A3 Ford Edge
  • P81A3 Ford Escape
  • P81A3 Ford Escape Hybrid
  • P81A3 Ford Escort
  • P81A3 Ford Everest
  • P81A3 Ford Excursion
  • P81A3 Ford Expedition
  • P81A3 Ford Explorer
  • P81A3 Ford Explorer Sport Trac
  • P81A3 Ford F-150
  • P81A3 Ford F-250
  • P81A3 Ford F-350
  • P81A3 Ford Fiesta
  • P81A3 Ford Flex
  • P81A3 Ford Focus
  • P81A3 Ford Focus Electric
  • P81A3 Ford Freestar
  • P81A3 Ford Freestyle
  • P81A3 Ford Fusion
  • P81A3 Ford Fusion Energi
  • P81A3 Ford Fusion Hybrid
  • P81A3 Ford Fusion Plug-In Hybrid
  • P81A3 Ford GT
  • P81A3 Ford Mustang
  • P81A3 Ford Mustang Mach-E
  • P81A3 Ford Mystique
  • P81A3 Ford Probe
  • P81A3 Ford Ranger
  • P81A3 Ford Taurus
  • P81A3 Ford Taurus X
  • P81A3 Ford Tempo
  • P81A3 Ford Thunderbird
  • P81A3 Ford Transit
  • P81A3 Ford Transit Connect
  • P81A3 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.