C3948

C3948 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C3948 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 position information for the switch becomes Not Available. Remove the duplicate Smart Switch, then use ServiceLink to verify that the correct Smart Switches are configured for the vehicle.

A comparison of pressures from all sensors is made. The smallest difference between the three is determined and a reference pressure is calculated. The Barometric pressure sensor value is compared to the reference value and if the difference is above the threshold a DTC is reported.

Ford C3948 Fault Code Meaning :

Ford C3948 Symptoms :

Ford C3948 Reasons :

How To Fix Ford C3948 Trouble Code ?

Which Ford cars have the code C3948?

  • C3948 Ford Aerostar
  • C3948 Ford Bronco
  • C3948 Ford C-Max
  • C3948 Ford C-Max Energi
  • C3948 Ford C-Max Hybrid
  • C3948 Ford Contour
  • C3948 Ford Crown Victoria
  • C3948 Ford EcoSport
  • C3948 Ford Econoline
  • C3948 Ford Edge
  • C3948 Ford Escape
  • C3948 Ford Escape Hybrid
  • C3948 Ford Escort
  • C3948 Ford Everest
  • C3948 Ford Excursion
  • C3948 Ford Expedition
  • C3948 Ford Explorer
  • C3948 Ford Explorer Sport Trac
  • C3948 Ford F-150
  • C3948 Ford F-250
  • C3948 Ford F-350
  • C3948 Ford Fiesta
  • C3948 Ford Flex
  • C3948 Ford Focus
  • C3948 Ford Focus Electric
  • C3948 Ford Freestar
  • C3948 Ford Freestyle
  • C3948 Ford Fusion
  • C3948 Ford Fusion Energi
  • C3948 Ford Fusion Hybrid
  • C3948 Ford Fusion Plug-In Hybrid
  • C3948 Ford GT
  • C3948 Ford Mustang
  • C3948 Ford Mustang Mach-E
  • C3948 Ford Mystique
  • C3948 Ford Probe
  • C3948 Ford Ranger
  • C3948 Ford Taurus
  • C3948 Ford Taurus X
  • C3948 Ford Tempo
  • C3948 Ford Thunderbird
  • C3948 Ford Transit
  • C3948 Ford Transit Connect
  • C3948 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.