P840E

P840E Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P840E 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 BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.

The End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford P840E Fault Code Meaning :

Ford P840E Symptoms :

Ford P840E Reasons :

How To Fix Ford P840E Trouble Code ?

Which Ford cars have the code P840E?

  • P840E Ford Aerostar
  • P840E Ford Bronco
  • P840E Ford C-Max
  • P840E Ford C-Max Energi
  • P840E Ford C-Max Hybrid
  • P840E Ford Contour
  • P840E Ford Crown Victoria
  • P840E Ford EcoSport
  • P840E Ford Econoline
  • P840E Ford Edge
  • P840E Ford Escape
  • P840E Ford Escape Hybrid
  • P840E Ford Escort
  • P840E Ford Everest
  • P840E Ford Excursion
  • P840E Ford Expedition
  • P840E Ford Explorer
  • P840E Ford Explorer Sport Trac
  • P840E Ford F-150
  • P840E Ford F-250
  • P840E Ford F-350
  • P840E Ford Fiesta
  • P840E Ford Flex
  • P840E Ford Focus
  • P840E Ford Focus Electric
  • P840E Ford Freestar
  • P840E Ford Freestyle
  • P840E Ford Fusion
  • P840E Ford Fusion Energi
  • P840E Ford Fusion Hybrid
  • P840E Ford Fusion Plug-In Hybrid
  • P840E Ford GT
  • P840E Ford Mustang
  • P840E Ford Mustang Mach-E
  • P840E Ford Mystique
  • P840E Ford Probe
  • P840E Ford Ranger
  • P840E Ford Taurus
  • P840E Ford Taurus X
  • P840E Ford Tempo
  • P840E Ford Thunderbird
  • P840E Ford Transit
  • P840E Ford Transit Connect
  • P840E 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.