C1681

C1681 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C1681 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.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 C1681 Fault Code Meaning :

Ford C1681 Symptoms :

Ford C1681 Reasons :

How To Fix Ford C1681 Trouble Code ?

Which Ford cars have the code C1681?

  • C1681 Ford Aerostar
  • C1681 Ford Bronco
  • C1681 Ford C-Max
  • C1681 Ford C-Max Energi
  • C1681 Ford C-Max Hybrid
  • C1681 Ford Contour
  • C1681 Ford Crown Victoria
  • C1681 Ford EcoSport
  • C1681 Ford Econoline
  • C1681 Ford Edge
  • C1681 Ford Escape
  • C1681 Ford Escape Hybrid
  • C1681 Ford Escort
  • C1681 Ford Everest
  • C1681 Ford Excursion
  • C1681 Ford Expedition
  • C1681 Ford Explorer
  • C1681 Ford Explorer Sport Trac
  • C1681 Ford F-150
  • C1681 Ford F-250
  • C1681 Ford F-350
  • C1681 Ford Fiesta
  • C1681 Ford Flex
  • C1681 Ford Focus
  • C1681 Ford Focus Electric
  • C1681 Ford Freestar
  • C1681 Ford Freestyle
  • C1681 Ford Fusion
  • C1681 Ford Fusion Energi
  • C1681 Ford Fusion Hybrid
  • C1681 Ford Fusion Plug-In Hybrid
  • C1681 Ford GT
  • C1681 Ford Mustang
  • C1681 Ford Mustang Mach-E
  • C1681 Ford Mystique
  • C1681 Ford Probe
  • C1681 Ford Ranger
  • C1681 Ford Taurus
  • C1681 Ford Taurus X
  • C1681 Ford Tempo
  • C1681 Ford Thunderbird
  • C1681 Ford Transit
  • C1681 Ford Transit Connect
  • C1681 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.