P3443

P3443 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3443 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 supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

When the engine is in higher engine speed and torque condition, the differential pressure over the DPF is expected to rise according to engine speed and torque. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford P3443 Fault Code Meaning :

Ford P3443 Symptoms :

Ford P3443 Reasons :

How To Fix Ford P3443 Trouble Code ?

Which Ford cars have the code P3443?

  • P3443 Ford Aerostar
  • P3443 Ford Bronco
  • P3443 Ford C-Max
  • P3443 Ford C-Max Energi
  • P3443 Ford C-Max Hybrid
  • P3443 Ford Contour
  • P3443 Ford Crown Victoria
  • P3443 Ford EcoSport
  • P3443 Ford Econoline
  • P3443 Ford Edge
  • P3443 Ford Escape
  • P3443 Ford Escape Hybrid
  • P3443 Ford Escort
  • P3443 Ford Everest
  • P3443 Ford Excursion
  • P3443 Ford Expedition
  • P3443 Ford Explorer
  • P3443 Ford Explorer Sport Trac
  • P3443 Ford F-150
  • P3443 Ford F-250
  • P3443 Ford F-350
  • P3443 Ford Fiesta
  • P3443 Ford Flex
  • P3443 Ford Focus
  • P3443 Ford Focus Electric
  • P3443 Ford Freestar
  • P3443 Ford Freestyle
  • P3443 Ford Fusion
  • P3443 Ford Fusion Energi
  • P3443 Ford Fusion Hybrid
  • P3443 Ford Fusion Plug-In Hybrid
  • P3443 Ford GT
  • P3443 Ford Mustang
  • P3443 Ford Mustang Mach-E
  • P3443 Ford Mystique
  • P3443 Ford Probe
  • P3443 Ford Ranger
  • P3443 Ford Taurus
  • P3443 Ford Taurus X
  • P3443 Ford Tempo
  • P3443 Ford Thunderbird
  • P3443 Ford Transit
  • P3443 Ford Transit Connect
  • P3443 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.