B3997

B3997 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3997 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 B3997 Fault Code Meaning :

Ford B3997 Symptoms :

Ford B3997 Reasons :

How To Fix Ford B3997 Trouble Code ?

Which Ford cars have the code B3997?

  • B3997 Ford Aerostar
  • B3997 Ford Bronco
  • B3997 Ford C-Max
  • B3997 Ford C-Max Energi
  • B3997 Ford C-Max Hybrid
  • B3997 Ford Contour
  • B3997 Ford Crown Victoria
  • B3997 Ford EcoSport
  • B3997 Ford Econoline
  • B3997 Ford Edge
  • B3997 Ford Escape
  • B3997 Ford Escape Hybrid
  • B3997 Ford Escort
  • B3997 Ford Everest
  • B3997 Ford Excursion
  • B3997 Ford Expedition
  • B3997 Ford Explorer
  • B3997 Ford Explorer Sport Trac
  • B3997 Ford F-150
  • B3997 Ford F-250
  • B3997 Ford F-350
  • B3997 Ford Fiesta
  • B3997 Ford Flex
  • B3997 Ford Focus
  • B3997 Ford Focus Electric
  • B3997 Ford Freestar
  • B3997 Ford Freestyle
  • B3997 Ford Fusion
  • B3997 Ford Fusion Energi
  • B3997 Ford Fusion Hybrid
  • B3997 Ford Fusion Plug-In Hybrid
  • B3997 Ford GT
  • B3997 Ford Mustang
  • B3997 Ford Mustang Mach-E
  • B3997 Ford Mystique
  • B3997 Ford Probe
  • B3997 Ford Ranger
  • B3997 Ford Taurus
  • B3997 Ford Taurus X
  • B3997 Ford Tempo
  • B3997 Ford Thunderbird
  • B3997 Ford Transit
  • B3997 Ford Transit Connect
  • B3997 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.