P3858
P3858 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.P3858 Diagnosis
The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open circuit fault.The ICU reads the wiper switch position and sends the status of the switch to the BHM. This fault becomes active when the ICU reads that both LO speed and HI speed are active at the same time.
Troubleshoot for a wiring short to ground fault on any of the CHM output or BHM output circuits discussed above. The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.
Ford P3858 Fault Code Meaning :
Ford P3858 Symptoms :
Ford P3858 Reasons :
How To Fix Ford P3858 Trouble Code ?
Which Ford cars have the code P3858?
- P3858 Ford Aerostar
- P3858 Ford Bronco
- P3858 Ford C-Max
- P3858 Ford C-Max Energi
- P3858 Ford C-Max Hybrid
- P3858 Ford Contour
- P3858 Ford Crown Victoria
- P3858 Ford EcoSport
- P3858 Ford Econoline
- P3858 Ford Edge
- P3858 Ford Escape
- P3858 Ford Escape Hybrid
- P3858 Ford Escort
- P3858 Ford Everest
- P3858 Ford Excursion
- P3858 Ford Expedition
- P3858 Ford Explorer
- P3858 Ford Explorer Sport Trac
- P3858 Ford F-150
- P3858 Ford F-250
- P3858 Ford F-350
- P3858 Ford Fiesta
- P3858 Ford Flex
- P3858 Ford Focus
- P3858 Ford Focus Electric
- P3858 Ford Freestar
- P3858 Ford Freestyle
- P3858 Ford Fusion
- P3858 Ford Fusion Energi
- P3858 Ford Fusion Hybrid
- P3858 Ford Fusion Plug-In Hybrid
- P3858 Ford GT
- P3858 Ford Mustang
- P3858 Ford Mustang Mach-E
- P3858 Ford Mystique
- P3858 Ford Probe
- P3858 Ford Ranger
- P3858 Ford Taurus
- P3858 Ford Taurus X
- P3858 Ford Tempo
- P3858 Ford Thunderbird
- P3858 Ford Transit
- P3858 Ford Transit Connect
- P3858 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.