P3972

P3972 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3972 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 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 P3972 Fault Code Meaning :

Ford P3972 Symptoms :

Ford P3972 Reasons :

How To Fix Ford P3972 Trouble Code ?

Which Ford cars have the code P3972?

  • P3972 Ford Aerostar
  • P3972 Ford Bronco
  • P3972 Ford C-Max
  • P3972 Ford C-Max Energi
  • P3972 Ford C-Max Hybrid
  • P3972 Ford Contour
  • P3972 Ford Crown Victoria
  • P3972 Ford EcoSport
  • P3972 Ford Econoline
  • P3972 Ford Edge
  • P3972 Ford Escape
  • P3972 Ford Escape Hybrid
  • P3972 Ford Escort
  • P3972 Ford Everest
  • P3972 Ford Excursion
  • P3972 Ford Expedition
  • P3972 Ford Explorer
  • P3972 Ford Explorer Sport Trac
  • P3972 Ford F-150
  • P3972 Ford F-250
  • P3972 Ford F-350
  • P3972 Ford Fiesta
  • P3972 Ford Flex
  • P3972 Ford Focus
  • P3972 Ford Focus Electric
  • P3972 Ford Freestar
  • P3972 Ford Freestyle
  • P3972 Ford Fusion
  • P3972 Ford Fusion Energi
  • P3972 Ford Fusion Hybrid
  • P3972 Ford Fusion Plug-In Hybrid
  • P3972 Ford GT
  • P3972 Ford Mustang
  • P3972 Ford Mustang Mach-E
  • P3972 Ford Mystique
  • P3972 Ford Probe
  • P3972 Ford Ranger
  • P3972 Ford Taurus
  • P3972 Ford Taurus X
  • P3972 Ford Tempo
  • P3972 Ford Thunderbird
  • P3972 Ford Transit
  • P3972 Ford Transit Connect
  • P3972 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.