P81C5

P81C5 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P81C5 Diagnosis

The axle lift 2 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for axle lift 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.

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 P81C5 Fault Code Meaning :

Ford P81C5 Symptoms :

Ford P81C5 Reasons :

How To Fix Ford P81C5 Trouble Code ?

Which Ford cars have the code P81C5?

  • P81C5 Ford Aerostar
  • P81C5 Ford Bronco
  • P81C5 Ford C-Max
  • P81C5 Ford C-Max Energi
  • P81C5 Ford C-Max Hybrid
  • P81C5 Ford Contour
  • P81C5 Ford Crown Victoria
  • P81C5 Ford EcoSport
  • P81C5 Ford Econoline
  • P81C5 Ford Edge
  • P81C5 Ford Escape
  • P81C5 Ford Escape Hybrid
  • P81C5 Ford Escort
  • P81C5 Ford Everest
  • P81C5 Ford Excursion
  • P81C5 Ford Expedition
  • P81C5 Ford Explorer
  • P81C5 Ford Explorer Sport Trac
  • P81C5 Ford F-150
  • P81C5 Ford F-250
  • P81C5 Ford F-350
  • P81C5 Ford Fiesta
  • P81C5 Ford Flex
  • P81C5 Ford Focus
  • P81C5 Ford Focus Electric
  • P81C5 Ford Freestar
  • P81C5 Ford Freestyle
  • P81C5 Ford Fusion
  • P81C5 Ford Fusion Energi
  • P81C5 Ford Fusion Hybrid
  • P81C5 Ford Fusion Plug-In Hybrid
  • P81C5 Ford GT
  • P81C5 Ford Mustang
  • P81C5 Ford Mustang Mach-E
  • P81C5 Ford Mystique
  • P81C5 Ford Probe
  • P81C5 Ford Ranger
  • P81C5 Ford Taurus
  • P81C5 Ford Taurus X
  • P81C5 Ford Tempo
  • P81C5 Ford Thunderbird
  • P81C5 Ford Transit
  • P81C5 Ford Transit Connect
  • P81C5 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.