P4E21
P4E21 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.P4E21 Diagnosis
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.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 P4E21 Fault Code Meaning :
Ford P4E21 Symptoms :
Ford P4E21 Reasons :
How To Fix Ford P4E21 Trouble Code ?
Which Ford cars have the code P4E21?
- P4E21 Ford Aerostar
- P4E21 Ford Bronco
- P4E21 Ford C-Max
- P4E21 Ford C-Max Energi
- P4E21 Ford C-Max Hybrid
- P4E21 Ford Contour
- P4E21 Ford Crown Victoria
- P4E21 Ford EcoSport
- P4E21 Ford Econoline
- P4E21 Ford Edge
- P4E21 Ford Escape
- P4E21 Ford Escape Hybrid
- P4E21 Ford Escort
- P4E21 Ford Everest
- P4E21 Ford Excursion
- P4E21 Ford Expedition
- P4E21 Ford Explorer
- P4E21 Ford Explorer Sport Trac
- P4E21 Ford F-150
- P4E21 Ford F-250
- P4E21 Ford F-350
- P4E21 Ford Fiesta
- P4E21 Ford Flex
- P4E21 Ford Focus
- P4E21 Ford Focus Electric
- P4E21 Ford Freestar
- P4E21 Ford Freestyle
- P4E21 Ford Fusion
- P4E21 Ford Fusion Energi
- P4E21 Ford Fusion Hybrid
- P4E21 Ford Fusion Plug-In Hybrid
- P4E21 Ford GT
- P4E21 Ford Mustang
- P4E21 Ford Mustang Mach-E
- P4E21 Ford Mystique
- P4E21 Ford Probe
- P4E21 Ford Ranger
- P4E21 Ford Taurus
- P4E21 Ford Taurus X
- P4E21 Ford Tempo
- P4E21 Ford Thunderbird
- P4E21 Ford Transit
- P4E21 Ford Transit Connect
- P4E21 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.