U0423

U0423 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U0423 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 U0423 Fault Code Meaning :

Ford U0423 Symptoms :

Ford U0423 Reasons :

How To Fix Ford U0423 Trouble Code ?

Which Ford cars have the code U0423?

  • U0423 Ford Aerostar
  • U0423 Ford Bronco
  • U0423 Ford C-Max
  • U0423 Ford C-Max Energi
  • U0423 Ford C-Max Hybrid
  • U0423 Ford Contour
  • U0423 Ford Crown Victoria
  • U0423 Ford EcoSport
  • U0423 Ford Econoline
  • U0423 Ford Edge
  • U0423 Ford Escape
  • U0423 Ford Escape Hybrid
  • U0423 Ford Escort
  • U0423 Ford Everest
  • U0423 Ford Excursion
  • U0423 Ford Expedition
  • U0423 Ford Explorer
  • U0423 Ford Explorer Sport Trac
  • U0423 Ford F-150
  • U0423 Ford F-250
  • U0423 Ford F-350
  • U0423 Ford Fiesta
  • U0423 Ford Flex
  • U0423 Ford Focus
  • U0423 Ford Focus Electric
  • U0423 Ford Freestar
  • U0423 Ford Freestyle
  • U0423 Ford Fusion
  • U0423 Ford Fusion Energi
  • U0423 Ford Fusion Hybrid
  • U0423 Ford Fusion Plug-In Hybrid
  • U0423 Ford GT
  • U0423 Ford Mustang
  • U0423 Ford Mustang Mach-E
  • U0423 Ford Mystique
  • U0423 Ford Probe
  • U0423 Ford Ranger
  • U0423 Ford Taurus
  • U0423 Ford Taurus X
  • U0423 Ford Tempo
  • U0423 Ford Thunderbird
  • U0423 Ford Transit
  • U0423 Ford Transit Connect
  • U0423 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.