B0403

B0403 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B0403 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 wiper switch is in the OFF position and the BHM park input from the wiper motor is not in park position. Troubleshoot for a wiper motor park switch circuit fault.

When the engine is in idle or in low engine speed and torque condition, the differential pressure over the DPF is expected to be close to zero. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford B0403 Fault Code Meaning :

Ford B0403 Symptoms :

Ford B0403 Reasons :

How To Fix Ford B0403 Trouble Code ?

Which Ford cars have the code B0403?

  • B0403 Ford Aerostar
  • B0403 Ford Bronco
  • B0403 Ford C-Max
  • B0403 Ford C-Max Energi
  • B0403 Ford C-Max Hybrid
  • B0403 Ford Contour
  • B0403 Ford Crown Victoria
  • B0403 Ford EcoSport
  • B0403 Ford Econoline
  • B0403 Ford Edge
  • B0403 Ford Escape
  • B0403 Ford Escape Hybrid
  • B0403 Ford Escort
  • B0403 Ford Everest
  • B0403 Ford Excursion
  • B0403 Ford Expedition
  • B0403 Ford Explorer
  • B0403 Ford Explorer Sport Trac
  • B0403 Ford F-150
  • B0403 Ford F-250
  • B0403 Ford F-350
  • B0403 Ford Fiesta
  • B0403 Ford Flex
  • B0403 Ford Focus
  • B0403 Ford Focus Electric
  • B0403 Ford Freestar
  • B0403 Ford Freestyle
  • B0403 Ford Fusion
  • B0403 Ford Fusion Energi
  • B0403 Ford Fusion Hybrid
  • B0403 Ford Fusion Plug-In Hybrid
  • B0403 Ford GT
  • B0403 Ford Mustang
  • B0403 Ford Mustang Mach-E
  • B0403 Ford Mystique
  • B0403 Ford Probe
  • B0403 Ford Ranger
  • B0403 Ford Taurus
  • B0403 Ford Taurus X
  • B0403 Ford Tempo
  • B0403 Ford Thunderbird
  • B0403 Ford Transit
  • B0403 Ford Transit Connect
  • B0403 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.