P1B78

P1B78 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P1B78 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 position information for the switch becomes Not Available. Remove the duplicate Smart Switch, then use ServiceLink to verify that the correct Smart Switches are configured for the vehicle.

A comparison of pressures from all sensors is made. The smallest difference between the three is determined and a reference pressure is calculated. The Barometric pressure sensor value is compared to the reference value and if the difference is above the threshold a DTC is reported.

Ford P1B78 Fault Code Meaning :

Ford P1B78 Symptoms :

Ford P1B78 Reasons :

How To Fix Ford P1B78 Trouble Code ?

Which Ford cars have the code P1B78?

  • P1B78 Ford Aerostar
  • P1B78 Ford Bronco
  • P1B78 Ford C-Max
  • P1B78 Ford C-Max Energi
  • P1B78 Ford C-Max Hybrid
  • P1B78 Ford Contour
  • P1B78 Ford Crown Victoria
  • P1B78 Ford EcoSport
  • P1B78 Ford Econoline
  • P1B78 Ford Edge
  • P1B78 Ford Escape
  • P1B78 Ford Escape Hybrid
  • P1B78 Ford Escort
  • P1B78 Ford Everest
  • P1B78 Ford Excursion
  • P1B78 Ford Expedition
  • P1B78 Ford Explorer
  • P1B78 Ford Explorer Sport Trac
  • P1B78 Ford F-150
  • P1B78 Ford F-250
  • P1B78 Ford F-350
  • P1B78 Ford Fiesta
  • P1B78 Ford Flex
  • P1B78 Ford Focus
  • P1B78 Ford Focus Electric
  • P1B78 Ford Freestar
  • P1B78 Ford Freestyle
  • P1B78 Ford Fusion
  • P1B78 Ford Fusion Energi
  • P1B78 Ford Fusion Hybrid
  • P1B78 Ford Fusion Plug-In Hybrid
  • P1B78 Ford GT
  • P1B78 Ford Mustang
  • P1B78 Ford Mustang Mach-E
  • P1B78 Ford Mystique
  • P1B78 Ford Probe
  • P1B78 Ford Ranger
  • P1B78 Ford Taurus
  • P1B78 Ford Taurus X
  • P1B78 Ford Tempo
  • P1B78 Ford Thunderbird
  • P1B78 Ford Transit
  • P1B78 Ford Transit Connect
  • P1B78 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.