B3402

B3402 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3402 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 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 B3402 Fault Code Meaning :

Ford B3402 Symptoms :

Ford B3402 Reasons :

How To Fix Ford B3402 Trouble Code ?

Which Ford cars have the code B3402?

  • B3402 Ford Aerostar
  • B3402 Ford Bronco
  • B3402 Ford C-Max
  • B3402 Ford C-Max Energi
  • B3402 Ford C-Max Hybrid
  • B3402 Ford Contour
  • B3402 Ford Crown Victoria
  • B3402 Ford EcoSport
  • B3402 Ford Econoline
  • B3402 Ford Edge
  • B3402 Ford Escape
  • B3402 Ford Escape Hybrid
  • B3402 Ford Escort
  • B3402 Ford Everest
  • B3402 Ford Excursion
  • B3402 Ford Expedition
  • B3402 Ford Explorer
  • B3402 Ford Explorer Sport Trac
  • B3402 Ford F-150
  • B3402 Ford F-250
  • B3402 Ford F-350
  • B3402 Ford Fiesta
  • B3402 Ford Flex
  • B3402 Ford Focus
  • B3402 Ford Focus Electric
  • B3402 Ford Freestar
  • B3402 Ford Freestyle
  • B3402 Ford Fusion
  • B3402 Ford Fusion Energi
  • B3402 Ford Fusion Hybrid
  • B3402 Ford Fusion Plug-In Hybrid
  • B3402 Ford GT
  • B3402 Ford Mustang
  • B3402 Ford Mustang Mach-E
  • B3402 Ford Mystique
  • B3402 Ford Probe
  • B3402 Ford Ranger
  • B3402 Ford Taurus
  • B3402 Ford Taurus X
  • B3402 Ford Tempo
  • B3402 Ford Thunderbird
  • B3402 Ford Transit
  • B3402 Ford Transit Connect
  • B3402 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.