P9C42

P9C42 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P9C42 Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.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 P9C42 Fault Code Meaning :

Ford P9C42 Symptoms :

Ford P9C42 Reasons :

How To Fix Ford P9C42 Trouble Code ?

Which Ford cars have the code P9C42?

  • P9C42 Ford Aerostar
  • P9C42 Ford Bronco
  • P9C42 Ford C-Max
  • P9C42 Ford C-Max Energi
  • P9C42 Ford C-Max Hybrid
  • P9C42 Ford Contour
  • P9C42 Ford Crown Victoria
  • P9C42 Ford EcoSport
  • P9C42 Ford Econoline
  • P9C42 Ford Edge
  • P9C42 Ford Escape
  • P9C42 Ford Escape Hybrid
  • P9C42 Ford Escort
  • P9C42 Ford Everest
  • P9C42 Ford Excursion
  • P9C42 Ford Expedition
  • P9C42 Ford Explorer
  • P9C42 Ford Explorer Sport Trac
  • P9C42 Ford F-150
  • P9C42 Ford F-250
  • P9C42 Ford F-350
  • P9C42 Ford Fiesta
  • P9C42 Ford Flex
  • P9C42 Ford Focus
  • P9C42 Ford Focus Electric
  • P9C42 Ford Freestar
  • P9C42 Ford Freestyle
  • P9C42 Ford Fusion
  • P9C42 Ford Fusion Energi
  • P9C42 Ford Fusion Hybrid
  • P9C42 Ford Fusion Plug-In Hybrid
  • P9C42 Ford GT
  • P9C42 Ford Mustang
  • P9C42 Ford Mustang Mach-E
  • P9C42 Ford Mystique
  • P9C42 Ford Probe
  • P9C42 Ford Ranger
  • P9C42 Ford Taurus
  • P9C42 Ford Taurus X
  • P9C42 Ford Tempo
  • P9C42 Ford Thunderbird
  • P9C42 Ford Transit
  • P9C42 Ford Transit Connect
  • P9C42 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.