B0402

B0402 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B0402 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 B0402 Fault Code Meaning :

Ford B0402 Symptoms :

Ford B0402 Reasons :

How To Fix Ford B0402 Trouble Code ?

Which Ford cars have the code B0402?

  • B0402 Ford Aerostar
  • B0402 Ford Bronco
  • B0402 Ford C-Max
  • B0402 Ford C-Max Energi
  • B0402 Ford C-Max Hybrid
  • B0402 Ford Contour
  • B0402 Ford Crown Victoria
  • B0402 Ford EcoSport
  • B0402 Ford Econoline
  • B0402 Ford Edge
  • B0402 Ford Escape
  • B0402 Ford Escape Hybrid
  • B0402 Ford Escort
  • B0402 Ford Everest
  • B0402 Ford Excursion
  • B0402 Ford Expedition
  • B0402 Ford Explorer
  • B0402 Ford Explorer Sport Trac
  • B0402 Ford F-150
  • B0402 Ford F-250
  • B0402 Ford F-350
  • B0402 Ford Fiesta
  • B0402 Ford Flex
  • B0402 Ford Focus
  • B0402 Ford Focus Electric
  • B0402 Ford Freestar
  • B0402 Ford Freestyle
  • B0402 Ford Fusion
  • B0402 Ford Fusion Energi
  • B0402 Ford Fusion Hybrid
  • B0402 Ford Fusion Plug-In Hybrid
  • B0402 Ford GT
  • B0402 Ford Mustang
  • B0402 Ford Mustang Mach-E
  • B0402 Ford Mystique
  • B0402 Ford Probe
  • B0402 Ford Ranger
  • B0402 Ford Taurus
  • B0402 Ford Taurus X
  • B0402 Ford Tempo
  • B0402 Ford Thunderbird
  • B0402 Ford Transit
  • B0402 Ford Transit Connect
  • B0402 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.