C3976

C3976 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C3976 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 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 C3976 Fault Code Meaning :

Ford C3976 Symptoms :

Ford C3976 Reasons :

How To Fix Ford C3976 Trouble Code ?

Which Ford cars have the code C3976?

  • C3976 Ford Aerostar
  • C3976 Ford Bronco
  • C3976 Ford C-Max
  • C3976 Ford C-Max Energi
  • C3976 Ford C-Max Hybrid
  • C3976 Ford Contour
  • C3976 Ford Crown Victoria
  • C3976 Ford EcoSport
  • C3976 Ford Econoline
  • C3976 Ford Edge
  • C3976 Ford Escape
  • C3976 Ford Escape Hybrid
  • C3976 Ford Escort
  • C3976 Ford Everest
  • C3976 Ford Excursion
  • C3976 Ford Expedition
  • C3976 Ford Explorer
  • C3976 Ford Explorer Sport Trac
  • C3976 Ford F-150
  • C3976 Ford F-250
  • C3976 Ford F-350
  • C3976 Ford Fiesta
  • C3976 Ford Flex
  • C3976 Ford Focus
  • C3976 Ford Focus Electric
  • C3976 Ford Freestar
  • C3976 Ford Freestyle
  • C3976 Ford Fusion
  • C3976 Ford Fusion Energi
  • C3976 Ford Fusion Hybrid
  • C3976 Ford Fusion Plug-In Hybrid
  • C3976 Ford GT
  • C3976 Ford Mustang
  • C3976 Ford Mustang Mach-E
  • C3976 Ford Mystique
  • C3976 Ford Probe
  • C3976 Ford Ranger
  • C3976 Ford Taurus
  • C3976 Ford Taurus X
  • C3976 Ford Tempo
  • C3976 Ford Thunderbird
  • C3976 Ford Transit
  • C3976 Ford Transit Connect
  • C3976 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.