B1691

B1691 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B1691 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.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 B1691 Fault Code Meaning :

Ford B1691 Symptoms :

Ford B1691 Reasons :

How To Fix Ford B1691 Trouble Code ?

Which Ford cars have the code B1691?

  • B1691 Ford Aerostar
  • B1691 Ford Bronco
  • B1691 Ford C-Max
  • B1691 Ford C-Max Energi
  • B1691 Ford C-Max Hybrid
  • B1691 Ford Contour
  • B1691 Ford Crown Victoria
  • B1691 Ford EcoSport
  • B1691 Ford Econoline
  • B1691 Ford Edge
  • B1691 Ford Escape
  • B1691 Ford Escape Hybrid
  • B1691 Ford Escort
  • B1691 Ford Everest
  • B1691 Ford Excursion
  • B1691 Ford Expedition
  • B1691 Ford Explorer
  • B1691 Ford Explorer Sport Trac
  • B1691 Ford F-150
  • B1691 Ford F-250
  • B1691 Ford F-350
  • B1691 Ford Fiesta
  • B1691 Ford Flex
  • B1691 Ford Focus
  • B1691 Ford Focus Electric
  • B1691 Ford Freestar
  • B1691 Ford Freestyle
  • B1691 Ford Fusion
  • B1691 Ford Fusion Energi
  • B1691 Ford Fusion Hybrid
  • B1691 Ford Fusion Plug-In Hybrid
  • B1691 Ford GT
  • B1691 Ford Mustang
  • B1691 Ford Mustang Mach-E
  • B1691 Ford Mystique
  • B1691 Ford Probe
  • B1691 Ford Ranger
  • B1691 Ford Taurus
  • B1691 Ford Taurus X
  • B1691 Ford Tempo
  • B1691 Ford Thunderbird
  • B1691 Ford Transit
  • B1691 Ford Transit Connect
  • B1691 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.