P1556
P1556 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.P1556 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 BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.
When the engine is in higher engine speed and torque condition, the differential pressure over the DPF is expected to rise according to engine speed and torque. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.
Ford P1556 Fault Code Meaning :
Ford P1556 Symptoms :
Ford P1556 Reasons :
How To Fix Ford P1556 Trouble Code ?
Which Ford cars have the code P1556?
- P1556 Ford Aerostar
- P1556 Ford Bronco
- P1556 Ford C-Max
- P1556 Ford C-Max Energi
- P1556 Ford C-Max Hybrid
- P1556 Ford Contour
- P1556 Ford Crown Victoria
- P1556 Ford EcoSport
- P1556 Ford Econoline
- P1556 Ford Edge
- P1556 Ford Escape
- P1556 Ford Escape Hybrid
- P1556 Ford Escort
- P1556 Ford Everest
- P1556 Ford Excursion
- P1556 Ford Expedition
- P1556 Ford Explorer
- P1556 Ford Explorer Sport Trac
- P1556 Ford F-150
- P1556 Ford F-250
- P1556 Ford F-350
- P1556 Ford Fiesta
- P1556 Ford Flex
- P1556 Ford Focus
- P1556 Ford Focus Electric
- P1556 Ford Freestar
- P1556 Ford Freestyle
- P1556 Ford Fusion
- P1556 Ford Fusion Energi
- P1556 Ford Fusion Hybrid
- P1556 Ford Fusion Plug-In Hybrid
- P1556 Ford GT
- P1556 Ford Mustang
- P1556 Ford Mustang Mach-E
- P1556 Ford Mystique
- P1556 Ford Probe
- P1556 Ford Ranger
- P1556 Ford Taurus
- P1556 Ford Taurus X
- P1556 Ford Tempo
- P1556 Ford Thunderbird
- P1556 Ford Transit
- P1556 Ford Transit Connect
- P1556 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.