B1978
B1978 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.B1978 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 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 B1978 Fault Code Meaning :
Ford B1978 Symptoms :
Ford B1978 Reasons :
How To Fix Ford B1978 Trouble Code ?
Which Ford cars have the code B1978?
- B1978 Ford Aerostar
- B1978 Ford Bronco
- B1978 Ford C-Max
- B1978 Ford C-Max Energi
- B1978 Ford C-Max Hybrid
- B1978 Ford Contour
- B1978 Ford Crown Victoria
- B1978 Ford EcoSport
- B1978 Ford Econoline
- B1978 Ford Edge
- B1978 Ford Escape
- B1978 Ford Escape Hybrid
- B1978 Ford Escort
- B1978 Ford Everest
- B1978 Ford Excursion
- B1978 Ford Expedition
- B1978 Ford Explorer
- B1978 Ford Explorer Sport Trac
- B1978 Ford F-150
- B1978 Ford F-250
- B1978 Ford F-350
- B1978 Ford Fiesta
- B1978 Ford Flex
- B1978 Ford Focus
- B1978 Ford Focus Electric
- B1978 Ford Freestar
- B1978 Ford Freestyle
- B1978 Ford Fusion
- B1978 Ford Fusion Energi
- B1978 Ford Fusion Hybrid
- B1978 Ford Fusion Plug-In Hybrid
- B1978 Ford GT
- B1978 Ford Mustang
- B1978 Ford Mustang Mach-E
- B1978 Ford Mystique
- B1978 Ford Probe
- B1978 Ford Ranger
- B1978 Ford Taurus
- B1978 Ford Taurus X
- B1978 Ford Tempo
- B1978 Ford Thunderbird
- B1978 Ford Transit
- B1978 Ford Transit Connect
- B1978 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.