U1399

U1399 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1399 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 U1399 Fault Code Meaning :

Ford U1399 Symptoms :

Ford U1399 Reasons :

How To Fix Ford U1399 Trouble Code ?

Which Ford cars have the code U1399?

  • U1399 Ford Aerostar
  • U1399 Ford Bronco
  • U1399 Ford C-Max
  • U1399 Ford C-Max Energi
  • U1399 Ford C-Max Hybrid
  • U1399 Ford Contour
  • U1399 Ford Crown Victoria
  • U1399 Ford EcoSport
  • U1399 Ford Econoline
  • U1399 Ford Edge
  • U1399 Ford Escape
  • U1399 Ford Escape Hybrid
  • U1399 Ford Escort
  • U1399 Ford Everest
  • U1399 Ford Excursion
  • U1399 Ford Expedition
  • U1399 Ford Explorer
  • U1399 Ford Explorer Sport Trac
  • U1399 Ford F-150
  • U1399 Ford F-250
  • U1399 Ford F-350
  • U1399 Ford Fiesta
  • U1399 Ford Flex
  • U1399 Ford Focus
  • U1399 Ford Focus Electric
  • U1399 Ford Freestar
  • U1399 Ford Freestyle
  • U1399 Ford Fusion
  • U1399 Ford Fusion Energi
  • U1399 Ford Fusion Hybrid
  • U1399 Ford Fusion Plug-In Hybrid
  • U1399 Ford GT
  • U1399 Ford Mustang
  • U1399 Ford Mustang Mach-E
  • U1399 Ford Mystique
  • U1399 Ford Probe
  • U1399 Ford Ranger
  • U1399 Ford Taurus
  • U1399 Ford Taurus X
  • U1399 Ford Tempo
  • U1399 Ford Thunderbird
  • U1399 Ford Transit
  • U1399 Ford Transit Connect
  • U1399 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.