B1946

B1946 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1946 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 B1946 Fault Code Meaning :

Ford B1946 Symptoms :

Ford B1946 Reasons :

How To Fix Ford B1946 Trouble Code ?

Which Ford cars have the code B1946?

  • B1946 Ford Aerostar
  • B1946 Ford Bronco
  • B1946 Ford C-Max
  • B1946 Ford C-Max Energi
  • B1946 Ford C-Max Hybrid
  • B1946 Ford Contour
  • B1946 Ford Crown Victoria
  • B1946 Ford EcoSport
  • B1946 Ford Econoline
  • B1946 Ford Edge
  • B1946 Ford Escape
  • B1946 Ford Escape Hybrid
  • B1946 Ford Escort
  • B1946 Ford Everest
  • B1946 Ford Excursion
  • B1946 Ford Expedition
  • B1946 Ford Explorer
  • B1946 Ford Explorer Sport Trac
  • B1946 Ford F-150
  • B1946 Ford F-250
  • B1946 Ford F-350
  • B1946 Ford Fiesta
  • B1946 Ford Flex
  • B1946 Ford Focus
  • B1946 Ford Focus Electric
  • B1946 Ford Freestar
  • B1946 Ford Freestyle
  • B1946 Ford Fusion
  • B1946 Ford Fusion Energi
  • B1946 Ford Fusion Hybrid
  • B1946 Ford Fusion Plug-In Hybrid
  • B1946 Ford GT
  • B1946 Ford Mustang
  • B1946 Ford Mustang Mach-E
  • B1946 Ford Mystique
  • B1946 Ford Probe
  • B1946 Ford Ranger
  • B1946 Ford Taurus
  • B1946 Ford Taurus X
  • B1946 Ford Tempo
  • B1946 Ford Thunderbird
  • B1946 Ford Transit
  • B1946 Ford Transit Connect
  • B1946 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.