P1657

P1657 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P1657 Diagnosis

The axle lift 2 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for axle lift 2 air solenoid fault, and for air pressure switch short circuit fault.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 P1657 Fault Code Meaning :

Ford P1657 Symptoms :

Ford P1657 Reasons :

How To Fix Ford P1657 Trouble Code ?

Which Ford cars have the code P1657?

  • P1657 Ford Aerostar
  • P1657 Ford Bronco
  • P1657 Ford C-Max
  • P1657 Ford C-Max Energi
  • P1657 Ford C-Max Hybrid
  • P1657 Ford Contour
  • P1657 Ford Crown Victoria
  • P1657 Ford EcoSport
  • P1657 Ford Econoline
  • P1657 Ford Edge
  • P1657 Ford Escape
  • P1657 Ford Escape Hybrid
  • P1657 Ford Escort
  • P1657 Ford Everest
  • P1657 Ford Excursion
  • P1657 Ford Expedition
  • P1657 Ford Explorer
  • P1657 Ford Explorer Sport Trac
  • P1657 Ford F-150
  • P1657 Ford F-250
  • P1657 Ford F-350
  • P1657 Ford Fiesta
  • P1657 Ford Flex
  • P1657 Ford Focus
  • P1657 Ford Focus Electric
  • P1657 Ford Freestar
  • P1657 Ford Freestyle
  • P1657 Ford Fusion
  • P1657 Ford Fusion Energi
  • P1657 Ford Fusion Hybrid
  • P1657 Ford Fusion Plug-In Hybrid
  • P1657 Ford GT
  • P1657 Ford Mustang
  • P1657 Ford Mustang Mach-E
  • P1657 Ford Mystique
  • P1657 Ford Probe
  • P1657 Ford Ranger
  • P1657 Ford Taurus
  • P1657 Ford Taurus X
  • P1657 Ford Tempo
  • P1657 Ford Thunderbird
  • P1657 Ford Transit
  • P1657 Ford Transit Connect
  • P1657 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.