P4C81

P4C81 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P4C81 Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.

The End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford P4C81 Fault Code Meaning :

Ford P4C81 Symptoms :

Ford P4C81 Reasons :

How To Fix Ford P4C81 Trouble Code ?

Which Ford cars have the code P4C81?

  • P4C81 Ford Aerostar
  • P4C81 Ford Bronco
  • P4C81 Ford C-Max
  • P4C81 Ford C-Max Energi
  • P4C81 Ford C-Max Hybrid
  • P4C81 Ford Contour
  • P4C81 Ford Crown Victoria
  • P4C81 Ford EcoSport
  • P4C81 Ford Econoline
  • P4C81 Ford Edge
  • P4C81 Ford Escape
  • P4C81 Ford Escape Hybrid
  • P4C81 Ford Escort
  • P4C81 Ford Everest
  • P4C81 Ford Excursion
  • P4C81 Ford Expedition
  • P4C81 Ford Explorer
  • P4C81 Ford Explorer Sport Trac
  • P4C81 Ford F-150
  • P4C81 Ford F-250
  • P4C81 Ford F-350
  • P4C81 Ford Fiesta
  • P4C81 Ford Flex
  • P4C81 Ford Focus
  • P4C81 Ford Focus Electric
  • P4C81 Ford Freestar
  • P4C81 Ford Freestyle
  • P4C81 Ford Fusion
  • P4C81 Ford Fusion Energi
  • P4C81 Ford Fusion Hybrid
  • P4C81 Ford Fusion Plug-In Hybrid
  • P4C81 Ford GT
  • P4C81 Ford Mustang
  • P4C81 Ford Mustang Mach-E
  • P4C81 Ford Mystique
  • P4C81 Ford Probe
  • P4C81 Ford Ranger
  • P4C81 Ford Taurus
  • P4C81 Ford Taurus X
  • P4C81 Ford Tempo
  • P4C81 Ford Thunderbird
  • P4C81 Ford Transit
  • P4C81 Ford Transit Connect
  • P4C81 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.