P1665

P1665 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P1665 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.

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 P1665 Fault Code Meaning :

Ford P1665 Symptoms :

Ford P1665 Reasons :

How To Fix Ford P1665 Trouble Code ?

Which Ford cars have the code P1665?

  • P1665 Ford Aerostar
  • P1665 Ford Bronco
  • P1665 Ford C-Max
  • P1665 Ford C-Max Energi
  • P1665 Ford C-Max Hybrid
  • P1665 Ford Contour
  • P1665 Ford Crown Victoria
  • P1665 Ford EcoSport
  • P1665 Ford Econoline
  • P1665 Ford Edge
  • P1665 Ford Escape
  • P1665 Ford Escape Hybrid
  • P1665 Ford Escort
  • P1665 Ford Everest
  • P1665 Ford Excursion
  • P1665 Ford Expedition
  • P1665 Ford Explorer
  • P1665 Ford Explorer Sport Trac
  • P1665 Ford F-150
  • P1665 Ford F-250
  • P1665 Ford F-350
  • P1665 Ford Fiesta
  • P1665 Ford Flex
  • P1665 Ford Focus
  • P1665 Ford Focus Electric
  • P1665 Ford Freestar
  • P1665 Ford Freestyle
  • P1665 Ford Fusion
  • P1665 Ford Fusion Energi
  • P1665 Ford Fusion Hybrid
  • P1665 Ford Fusion Plug-In Hybrid
  • P1665 Ford GT
  • P1665 Ford Mustang
  • P1665 Ford Mustang Mach-E
  • P1665 Ford Mystique
  • P1665 Ford Probe
  • P1665 Ford Ranger
  • P1665 Ford Taurus
  • P1665 Ford Taurus X
  • P1665 Ford Tempo
  • P1665 Ford Thunderbird
  • P1665 Ford Transit
  • P1665 Ford Transit Connect
  • P1665 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.