P0042

P0042 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P0042 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 OFF.

The disconnected pipe malfunction is detected when the ventilator tube from the valve cover to the separator device is disconnected resulting in a pressure below the lower limit.Both of these malfunctions will result in a DTC being set.

Ford P0042 Fault Code Meaning :

Ford P0042 Symptoms :

Ford P0042 Reasons :

How To Fix Ford P0042 Trouble Code ?

Which Ford cars have the code P0042?

  • P0042 Ford Aerostar
  • P0042 Ford Bronco
  • P0042 Ford C-Max
  • P0042 Ford C-Max Energi
  • P0042 Ford C-Max Hybrid
  • P0042 Ford Contour
  • P0042 Ford Crown Victoria
  • P0042 Ford EcoSport
  • P0042 Ford Econoline
  • P0042 Ford Edge
  • P0042 Ford Escape
  • P0042 Ford Escape Hybrid
  • P0042 Ford Escort
  • P0042 Ford Everest
  • P0042 Ford Excursion
  • P0042 Ford Expedition
  • P0042 Ford Explorer
  • P0042 Ford Explorer Sport Trac
  • P0042 Ford F-150
  • P0042 Ford F-250
  • P0042 Ford F-350
  • P0042 Ford Fiesta
  • P0042 Ford Flex
  • P0042 Ford Focus
  • P0042 Ford Focus Electric
  • P0042 Ford Freestar
  • P0042 Ford Freestyle
  • P0042 Ford Fusion
  • P0042 Ford Fusion Energi
  • P0042 Ford Fusion Hybrid
  • P0042 Ford Fusion Plug-In Hybrid
  • P0042 Ford GT
  • P0042 Ford Mustang
  • P0042 Ford Mustang Mach-E
  • P0042 Ford Mystique
  • P0042 Ford Probe
  • P0042 Ford Ranger
  • P0042 Ford Taurus
  • P0042 Ford Taurus X
  • P0042 Ford Tempo
  • P0042 Ford Thunderbird
  • P0042 Ford Transit
  • P0042 Ford Transit Connect
  • P0042 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.