B0858

B0858 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B0858 Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.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 B0858 Fault Code Meaning :

Ford B0858 Symptoms :

Ford B0858 Reasons :

How To Fix Ford B0858 Trouble Code ?

Which Ford cars have the code B0858?

  • B0858 Ford Aerostar
  • B0858 Ford Bronco
  • B0858 Ford C-Max
  • B0858 Ford C-Max Energi
  • B0858 Ford C-Max Hybrid
  • B0858 Ford Contour
  • B0858 Ford Crown Victoria
  • B0858 Ford EcoSport
  • B0858 Ford Econoline
  • B0858 Ford Edge
  • B0858 Ford Escape
  • B0858 Ford Escape Hybrid
  • B0858 Ford Escort
  • B0858 Ford Everest
  • B0858 Ford Excursion
  • B0858 Ford Expedition
  • B0858 Ford Explorer
  • B0858 Ford Explorer Sport Trac
  • B0858 Ford F-150
  • B0858 Ford F-250
  • B0858 Ford F-350
  • B0858 Ford Fiesta
  • B0858 Ford Flex
  • B0858 Ford Focus
  • B0858 Ford Focus Electric
  • B0858 Ford Freestar
  • B0858 Ford Freestyle
  • B0858 Ford Fusion
  • B0858 Ford Fusion Energi
  • B0858 Ford Fusion Hybrid
  • B0858 Ford Fusion Plug-In Hybrid
  • B0858 Ford GT
  • B0858 Ford Mustang
  • B0858 Ford Mustang Mach-E
  • B0858 Ford Mystique
  • B0858 Ford Probe
  • B0858 Ford Ranger
  • B0858 Ford Taurus
  • B0858 Ford Taurus X
  • B0858 Ford Tempo
  • B0858 Ford Thunderbird
  • B0858 Ford Transit
  • B0858 Ford Transit Connect
  • B0858 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.