B1686

B1686 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1686 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.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 B1686 Fault Code Meaning :

Ford B1686 Symptoms :

Ford B1686 Reasons :

How To Fix Ford B1686 Trouble Code ?

Which Ford cars have the code B1686?

  • B1686 Ford Aerostar
  • B1686 Ford Bronco
  • B1686 Ford C-Max
  • B1686 Ford C-Max Energi
  • B1686 Ford C-Max Hybrid
  • B1686 Ford Contour
  • B1686 Ford Crown Victoria
  • B1686 Ford EcoSport
  • B1686 Ford Econoline
  • B1686 Ford Edge
  • B1686 Ford Escape
  • B1686 Ford Escape Hybrid
  • B1686 Ford Escort
  • B1686 Ford Everest
  • B1686 Ford Excursion
  • B1686 Ford Expedition
  • B1686 Ford Explorer
  • B1686 Ford Explorer Sport Trac
  • B1686 Ford F-150
  • B1686 Ford F-250
  • B1686 Ford F-350
  • B1686 Ford Fiesta
  • B1686 Ford Flex
  • B1686 Ford Focus
  • B1686 Ford Focus Electric
  • B1686 Ford Freestar
  • B1686 Ford Freestyle
  • B1686 Ford Fusion
  • B1686 Ford Fusion Energi
  • B1686 Ford Fusion Hybrid
  • B1686 Ford Fusion Plug-In Hybrid
  • B1686 Ford GT
  • B1686 Ford Mustang
  • B1686 Ford Mustang Mach-E
  • B1686 Ford Mystique
  • B1686 Ford Probe
  • B1686 Ford Ranger
  • B1686 Ford Taurus
  • B1686 Ford Taurus X
  • B1686 Ford Tempo
  • B1686 Ford Thunderbird
  • B1686 Ford Transit
  • B1686 Ford Transit Connect
  • B1686 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.