P9A42

P9A42 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P9A42 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.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 P9A42 Fault Code Meaning :

Ford P9A42 Symptoms :

Ford P9A42 Reasons :

How To Fix Ford P9A42 Trouble Code ?

Which Ford cars have the code P9A42?

  • P9A42 Ford Aerostar
  • P9A42 Ford Bronco
  • P9A42 Ford C-Max
  • P9A42 Ford C-Max Energi
  • P9A42 Ford C-Max Hybrid
  • P9A42 Ford Contour
  • P9A42 Ford Crown Victoria
  • P9A42 Ford EcoSport
  • P9A42 Ford Econoline
  • P9A42 Ford Edge
  • P9A42 Ford Escape
  • P9A42 Ford Escape Hybrid
  • P9A42 Ford Escort
  • P9A42 Ford Everest
  • P9A42 Ford Excursion
  • P9A42 Ford Expedition
  • P9A42 Ford Explorer
  • P9A42 Ford Explorer Sport Trac
  • P9A42 Ford F-150
  • P9A42 Ford F-250
  • P9A42 Ford F-350
  • P9A42 Ford Fiesta
  • P9A42 Ford Flex
  • P9A42 Ford Focus
  • P9A42 Ford Focus Electric
  • P9A42 Ford Freestar
  • P9A42 Ford Freestyle
  • P9A42 Ford Fusion
  • P9A42 Ford Fusion Energi
  • P9A42 Ford Fusion Hybrid
  • P9A42 Ford Fusion Plug-In Hybrid
  • P9A42 Ford GT
  • P9A42 Ford Mustang
  • P9A42 Ford Mustang Mach-E
  • P9A42 Ford Mystique
  • P9A42 Ford Probe
  • P9A42 Ford Ranger
  • P9A42 Ford Taurus
  • P9A42 Ford Taurus X
  • P9A42 Ford Tempo
  • P9A42 Ford Thunderbird
  • P9A42 Ford Transit
  • P9A42 Ford Transit Connect
  • P9A42 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.