B3691

B3691 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3691 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.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.

The BHM measures the current on this circuit when the starter output is commanded ON. This fault indicates the magnetic switch or the wiring between the BHM and the magnetic switch is open circuit.

Ford B3691 Fault Code Meaning :

Ford B3691 Symptoms :

Ford B3691 Reasons :

How To Fix Ford B3691 Trouble Code ?

Which Ford cars have the code B3691?

  • B3691 Ford Aerostar
  • B3691 Ford Bronco
  • B3691 Ford C-Max
  • B3691 Ford C-Max Energi
  • B3691 Ford C-Max Hybrid
  • B3691 Ford Contour
  • B3691 Ford Crown Victoria
  • B3691 Ford EcoSport
  • B3691 Ford Econoline
  • B3691 Ford Edge
  • B3691 Ford Escape
  • B3691 Ford Escape Hybrid
  • B3691 Ford Escort
  • B3691 Ford Everest
  • B3691 Ford Excursion
  • B3691 Ford Expedition
  • B3691 Ford Explorer
  • B3691 Ford Explorer Sport Trac
  • B3691 Ford F-150
  • B3691 Ford F-250
  • B3691 Ford F-350
  • B3691 Ford Fiesta
  • B3691 Ford Flex
  • B3691 Ford Focus
  • B3691 Ford Focus Electric
  • B3691 Ford Freestar
  • B3691 Ford Freestyle
  • B3691 Ford Fusion
  • B3691 Ford Fusion Energi
  • B3691 Ford Fusion Hybrid
  • B3691 Ford Fusion Plug-In Hybrid
  • B3691 Ford GT
  • B3691 Ford Mustang
  • B3691 Ford Mustang Mach-E
  • B3691 Ford Mystique
  • B3691 Ford Probe
  • B3691 Ford Ranger
  • B3691 Ford Taurus
  • B3691 Ford Taurus X
  • B3691 Ford Tempo
  • B3691 Ford Thunderbird
  • B3691 Ford Transit
  • B3691 Ford Transit Connect
  • B3691 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.