P3842

P3842 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3842 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.Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.

The BHM measures the current on this circuit when the starter output is commanded ON. This fault indicates the magnetic switch or the wiring between the BHM and the magnetic switch is open circuit.

Ford P3842 Fault Code Meaning :

Ford P3842 Symptoms :

Ford P3842 Reasons :

How To Fix Ford P3842 Trouble Code ?

Which Ford cars have the code P3842?

  • P3842 Ford Aerostar
  • P3842 Ford Bronco
  • P3842 Ford C-Max
  • P3842 Ford C-Max Energi
  • P3842 Ford C-Max Hybrid
  • P3842 Ford Contour
  • P3842 Ford Crown Victoria
  • P3842 Ford EcoSport
  • P3842 Ford Econoline
  • P3842 Ford Edge
  • P3842 Ford Escape
  • P3842 Ford Escape Hybrid
  • P3842 Ford Escort
  • P3842 Ford Everest
  • P3842 Ford Excursion
  • P3842 Ford Expedition
  • P3842 Ford Explorer
  • P3842 Ford Explorer Sport Trac
  • P3842 Ford F-150
  • P3842 Ford F-250
  • P3842 Ford F-350
  • P3842 Ford Fiesta
  • P3842 Ford Flex
  • P3842 Ford Focus
  • P3842 Ford Focus Electric
  • P3842 Ford Freestar
  • P3842 Ford Freestyle
  • P3842 Ford Fusion
  • P3842 Ford Fusion Energi
  • P3842 Ford Fusion Hybrid
  • P3842 Ford Fusion Plug-In Hybrid
  • P3842 Ford GT
  • P3842 Ford Mustang
  • P3842 Ford Mustang Mach-E
  • P3842 Ford Mystique
  • P3842 Ford Probe
  • P3842 Ford Ranger
  • P3842 Ford Taurus
  • P3842 Ford Taurus X
  • P3842 Ford Tempo
  • P3842 Ford Thunderbird
  • P3842 Ford Transit
  • P3842 Ford Transit Connect
  • P3842 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.