B1278
B1278 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.B1278 Diagnosis
The PTO 1 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for PTO 2 air solenoid fault, and for air pressure switch short 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.
The suspension proportioning output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension proportioning air solenoid fault, and for air pressure switch short circuit fault.
Ford B1278 Fault Code Meaning :
Ford B1278 Symptoms :
Ford B1278 Reasons :
How To Fix Ford B1278 Trouble Code ?
Which Ford cars have the code B1278?
- B1278 Ford Aerostar
- B1278 Ford Bronco
- B1278 Ford C-Max
- B1278 Ford C-Max Energi
- B1278 Ford C-Max Hybrid
- B1278 Ford Contour
- B1278 Ford Crown Victoria
- B1278 Ford EcoSport
- B1278 Ford Econoline
- B1278 Ford Edge
- B1278 Ford Escape
- B1278 Ford Escape Hybrid
- B1278 Ford Escort
- B1278 Ford Everest
- B1278 Ford Excursion
- B1278 Ford Expedition
- B1278 Ford Explorer
- B1278 Ford Explorer Sport Trac
- B1278 Ford F-150
- B1278 Ford F-250
- B1278 Ford F-350
- B1278 Ford Fiesta
- B1278 Ford Flex
- B1278 Ford Focus
- B1278 Ford Focus Electric
- B1278 Ford Freestar
- B1278 Ford Freestyle
- B1278 Ford Fusion
- B1278 Ford Fusion Energi
- B1278 Ford Fusion Hybrid
- B1278 Ford Fusion Plug-In Hybrid
- B1278 Ford GT
- B1278 Ford Mustang
- B1278 Ford Mustang Mach-E
- B1278 Ford Mystique
- B1278 Ford Probe
- B1278 Ford Ranger
- B1278 Ford Taurus
- B1278 Ford Taurus X
- B1278 Ford Tempo
- B1278 Ford Thunderbird
- B1278 Ford Transit
- B1278 Ford Transit Connect
- B1278 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.