U3389

U3389 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3389 Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.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 U3389 Fault Code Meaning :

Ford U3389 Symptoms :

Ford U3389 Reasons :

How To Fix Ford U3389 Trouble Code ?

Which Ford cars have the code U3389?

  • U3389 Ford Aerostar
  • U3389 Ford Bronco
  • U3389 Ford C-Max
  • U3389 Ford C-Max Energi
  • U3389 Ford C-Max Hybrid
  • U3389 Ford Contour
  • U3389 Ford Crown Victoria
  • U3389 Ford EcoSport
  • U3389 Ford Econoline
  • U3389 Ford Edge
  • U3389 Ford Escape
  • U3389 Ford Escape Hybrid
  • U3389 Ford Escort
  • U3389 Ford Everest
  • U3389 Ford Excursion
  • U3389 Ford Expedition
  • U3389 Ford Explorer
  • U3389 Ford Explorer Sport Trac
  • U3389 Ford F-150
  • U3389 Ford F-250
  • U3389 Ford F-350
  • U3389 Ford Fiesta
  • U3389 Ford Flex
  • U3389 Ford Focus
  • U3389 Ford Focus Electric
  • U3389 Ford Freestar
  • U3389 Ford Freestyle
  • U3389 Ford Fusion
  • U3389 Ford Fusion Energi
  • U3389 Ford Fusion Hybrid
  • U3389 Ford Fusion Plug-In Hybrid
  • U3389 Ford GT
  • U3389 Ford Mustang
  • U3389 Ford Mustang Mach-E
  • U3389 Ford Mystique
  • U3389 Ford Probe
  • U3389 Ford Ranger
  • U3389 Ford Taurus
  • U3389 Ford Taurus X
  • U3389 Ford Tempo
  • U3389 Ford Thunderbird
  • U3389 Ford Transit
  • U3389 Ford Transit Connect
  • U3389 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.