U3657

U3657 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U3657 Diagnosis

The output circuits that are powered by VBAT2 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. Determine if the extra switch is not required for the vehicle or if the switch has been installed but the necessary reference parameter has not been programmed into the BHM.

This circuit connects to the CHM as an input at connector J3,P. The CHM passes the signal through to power the tail lamps and marker lamps from connector C2 pin G and also from connector C1 pins D, E, and F.

Ford U3657 Fault Code Meaning :

Ford U3657 Symptoms :

Ford U3657 Reasons :

How To Fix Ford U3657 Trouble Code ?

Which Ford cars have the code U3657?

  • U3657 Ford Aerostar
  • U3657 Ford Bronco
  • U3657 Ford C-Max
  • U3657 Ford C-Max Energi
  • U3657 Ford C-Max Hybrid
  • U3657 Ford Contour
  • U3657 Ford Crown Victoria
  • U3657 Ford EcoSport
  • U3657 Ford Econoline
  • U3657 Ford Edge
  • U3657 Ford Escape
  • U3657 Ford Escape Hybrid
  • U3657 Ford Escort
  • U3657 Ford Everest
  • U3657 Ford Excursion
  • U3657 Ford Expedition
  • U3657 Ford Explorer
  • U3657 Ford Explorer Sport Trac
  • U3657 Ford F-150
  • U3657 Ford F-250
  • U3657 Ford F-350
  • U3657 Ford Fiesta
  • U3657 Ford Flex
  • U3657 Ford Focus
  • U3657 Ford Focus Electric
  • U3657 Ford Freestar
  • U3657 Ford Freestyle
  • U3657 Ford Fusion
  • U3657 Ford Fusion Energi
  • U3657 Ford Fusion Hybrid
  • U3657 Ford Fusion Plug-In Hybrid
  • U3657 Ford GT
  • U3657 Ford Mustang
  • U3657 Ford Mustang Mach-E
  • U3657 Ford Mystique
  • U3657 Ford Probe
  • U3657 Ford Ranger
  • U3657 Ford Taurus
  • U3657 Ford Taurus X
  • U3657 Ford Tempo
  • U3657 Ford Thunderbird
  • U3657 Ford Transit
  • U3657 Ford Transit Connect
  • U3657 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.