C12B4
C12B4 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.C12B4 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 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 C12B4 Fault Code Meaning :
Ford C12B4 Symptoms :
Ford C12B4 Reasons :
How To Fix Ford C12B4 Trouble Code ?
Which Ford cars have the code C12B4?
- C12B4 Ford Aerostar
- C12B4 Ford Bronco
- C12B4 Ford C-Max
- C12B4 Ford C-Max Energi
- C12B4 Ford C-Max Hybrid
- C12B4 Ford Contour
- C12B4 Ford Crown Victoria
- C12B4 Ford EcoSport
- C12B4 Ford Econoline
- C12B4 Ford Edge
- C12B4 Ford Escape
- C12B4 Ford Escape Hybrid
- C12B4 Ford Escort
- C12B4 Ford Everest
- C12B4 Ford Excursion
- C12B4 Ford Expedition
- C12B4 Ford Explorer
- C12B4 Ford Explorer Sport Trac
- C12B4 Ford F-150
- C12B4 Ford F-250
- C12B4 Ford F-350
- C12B4 Ford Fiesta
- C12B4 Ford Flex
- C12B4 Ford Focus
- C12B4 Ford Focus Electric
- C12B4 Ford Freestar
- C12B4 Ford Freestyle
- C12B4 Ford Fusion
- C12B4 Ford Fusion Energi
- C12B4 Ford Fusion Hybrid
- C12B4 Ford Fusion Plug-In Hybrid
- C12B4 Ford GT
- C12B4 Ford Mustang
- C12B4 Ford Mustang Mach-E
- C12B4 Ford Mystique
- C12B4 Ford Probe
- C12B4 Ford Ranger
- C12B4 Ford Taurus
- C12B4 Ford Taurus X
- C12B4 Ford Tempo
- C12B4 Ford Thunderbird
- C12B4 Ford Transit
- C12B4 Ford Transit Connect
- C12B4 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.