U3739

U3739 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3739 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 U3739 Fault Code Meaning :

Ford U3739 Symptoms :

Ford U3739 Reasons :

How To Fix Ford U3739 Trouble Code ?

Which Ford cars have the code U3739?

  • U3739 Ford Aerostar
  • U3739 Ford Bronco
  • U3739 Ford C-Max
  • U3739 Ford C-Max Energi
  • U3739 Ford C-Max Hybrid
  • U3739 Ford Contour
  • U3739 Ford Crown Victoria
  • U3739 Ford EcoSport
  • U3739 Ford Econoline
  • U3739 Ford Edge
  • U3739 Ford Escape
  • U3739 Ford Escape Hybrid
  • U3739 Ford Escort
  • U3739 Ford Everest
  • U3739 Ford Excursion
  • U3739 Ford Expedition
  • U3739 Ford Explorer
  • U3739 Ford Explorer Sport Trac
  • U3739 Ford F-150
  • U3739 Ford F-250
  • U3739 Ford F-350
  • U3739 Ford Fiesta
  • U3739 Ford Flex
  • U3739 Ford Focus
  • U3739 Ford Focus Electric
  • U3739 Ford Freestar
  • U3739 Ford Freestyle
  • U3739 Ford Fusion
  • U3739 Ford Fusion Energi
  • U3739 Ford Fusion Hybrid
  • U3739 Ford Fusion Plug-In Hybrid
  • U3739 Ford GT
  • U3739 Ford Mustang
  • U3739 Ford Mustang Mach-E
  • U3739 Ford Mystique
  • U3739 Ford Probe
  • U3739 Ford Ranger
  • U3739 Ford Taurus
  • U3739 Ford Taurus X
  • U3739 Ford Tempo
  • U3739 Ford Thunderbird
  • U3739 Ford Transit
  • U3739 Ford Transit Connect
  • U3739 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.