P78B1

P78B1 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P78B1 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 wiper switch is in the OFF position and the BHM park input from the wiper motor is not in park position. Troubleshoot for a wiper motor park switch circuit fault.

When the engine is in idle or in low engine speed and torque condition, the differential pressure over the DPF is expected to be close to zero. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford P78B1 Fault Code Meaning :

Ford P78B1 Symptoms :

Ford P78B1 Reasons :

How To Fix Ford P78B1 Trouble Code ?

Which Ford cars have the code P78B1?

  • P78B1 Ford Aerostar
  • P78B1 Ford Bronco
  • P78B1 Ford C-Max
  • P78B1 Ford C-Max Energi
  • P78B1 Ford C-Max Hybrid
  • P78B1 Ford Contour
  • P78B1 Ford Crown Victoria
  • P78B1 Ford EcoSport
  • P78B1 Ford Econoline
  • P78B1 Ford Edge
  • P78B1 Ford Escape
  • P78B1 Ford Escape Hybrid
  • P78B1 Ford Escort
  • P78B1 Ford Everest
  • P78B1 Ford Excursion
  • P78B1 Ford Expedition
  • P78B1 Ford Explorer
  • P78B1 Ford Explorer Sport Trac
  • P78B1 Ford F-150
  • P78B1 Ford F-250
  • P78B1 Ford F-350
  • P78B1 Ford Fiesta
  • P78B1 Ford Flex
  • P78B1 Ford Focus
  • P78B1 Ford Focus Electric
  • P78B1 Ford Freestar
  • P78B1 Ford Freestyle
  • P78B1 Ford Fusion
  • P78B1 Ford Fusion Energi
  • P78B1 Ford Fusion Hybrid
  • P78B1 Ford Fusion Plug-In Hybrid
  • P78B1 Ford GT
  • P78B1 Ford Mustang
  • P78B1 Ford Mustang Mach-E
  • P78B1 Ford Mystique
  • P78B1 Ford Probe
  • P78B1 Ford Ranger
  • P78B1 Ford Taurus
  • P78B1 Ford Taurus X
  • P78B1 Ford Tempo
  • P78B1 Ford Thunderbird
  • P78B1 Ford Transit
  • P78B1 Ford Transit Connect
  • P78B1 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.