U1603

U1603 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1603 Diagnosis

The output circuits that are powered by VBAT2 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. 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 U1603 Fault Code Meaning :

Ford U1603 Symptoms :

Ford U1603 Reasons :

How To Fix Ford U1603 Trouble Code ?

Which Ford cars have the code U1603?

  • U1603 Ford Aerostar
  • U1603 Ford Bronco
  • U1603 Ford C-Max
  • U1603 Ford C-Max Energi
  • U1603 Ford C-Max Hybrid
  • U1603 Ford Contour
  • U1603 Ford Crown Victoria
  • U1603 Ford EcoSport
  • U1603 Ford Econoline
  • U1603 Ford Edge
  • U1603 Ford Escape
  • U1603 Ford Escape Hybrid
  • U1603 Ford Escort
  • U1603 Ford Everest
  • U1603 Ford Excursion
  • U1603 Ford Expedition
  • U1603 Ford Explorer
  • U1603 Ford Explorer Sport Trac
  • U1603 Ford F-150
  • U1603 Ford F-250
  • U1603 Ford F-350
  • U1603 Ford Fiesta
  • U1603 Ford Flex
  • U1603 Ford Focus
  • U1603 Ford Focus Electric
  • U1603 Ford Freestar
  • U1603 Ford Freestyle
  • U1603 Ford Fusion
  • U1603 Ford Fusion Energi
  • U1603 Ford Fusion Hybrid
  • U1603 Ford Fusion Plug-In Hybrid
  • U1603 Ford GT
  • U1603 Ford Mustang
  • U1603 Ford Mustang Mach-E
  • U1603 Ford Mystique
  • U1603 Ford Probe
  • U1603 Ford Ranger
  • U1603 Ford Taurus
  • U1603 Ford Taurus X
  • U1603 Ford Tempo
  • U1603 Ford Thunderbird
  • U1603 Ford Transit
  • U1603 Ford Transit Connect
  • U1603 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.