P3998

P3998 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3998 Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.The ICU reads the wiper switch position and sends the status of the switch to the BHM. This fault becomes active when the ICU reads that both LO speed and HI speed are active at the same time.

Troubleshoot for a wiring short to ground fault on any of the CHM output or BHM output circuits discussed above. The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.

Ford P3998 Fault Code Meaning :

Ford P3998 Symptoms :

Ford P3998 Reasons :

How To Fix Ford P3998 Trouble Code ?

Which Ford cars have the code P3998?

  • P3998 Ford Aerostar
  • P3998 Ford Bronco
  • P3998 Ford C-Max
  • P3998 Ford C-Max Energi
  • P3998 Ford C-Max Hybrid
  • P3998 Ford Contour
  • P3998 Ford Crown Victoria
  • P3998 Ford EcoSport
  • P3998 Ford Econoline
  • P3998 Ford Edge
  • P3998 Ford Escape
  • P3998 Ford Escape Hybrid
  • P3998 Ford Escort
  • P3998 Ford Everest
  • P3998 Ford Excursion
  • P3998 Ford Expedition
  • P3998 Ford Explorer
  • P3998 Ford Explorer Sport Trac
  • P3998 Ford F-150
  • P3998 Ford F-250
  • P3998 Ford F-350
  • P3998 Ford Fiesta
  • P3998 Ford Flex
  • P3998 Ford Focus
  • P3998 Ford Focus Electric
  • P3998 Ford Freestar
  • P3998 Ford Freestyle
  • P3998 Ford Fusion
  • P3998 Ford Fusion Energi
  • P3998 Ford Fusion Hybrid
  • P3998 Ford Fusion Plug-In Hybrid
  • P3998 Ford GT
  • P3998 Ford Mustang
  • P3998 Ford Mustang Mach-E
  • P3998 Ford Mystique
  • P3998 Ford Probe
  • P3998 Ford Ranger
  • P3998 Ford Taurus
  • P3998 Ford Taurus X
  • P3998 Ford Tempo
  • P3998 Ford Thunderbird
  • P3998 Ford Transit
  • P3998 Ford Transit Connect
  • P3998 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.