P1691

P1691 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P1691 Diagnosis

The fuse in the main PDM powering this circuit may be open. The root cause could be excessive loads on an output, or a short to ground in the VBAT2 supply to the CHM.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 P1691 Fault Code Meaning :

Ford P1691 Symptoms :

Ford P1691 Reasons :

How To Fix Ford P1691 Trouble Code ?

Which Ford cars have the code P1691?

  • P1691 Ford Aerostar
  • P1691 Ford Bronco
  • P1691 Ford C-Max
  • P1691 Ford C-Max Energi
  • P1691 Ford C-Max Hybrid
  • P1691 Ford Contour
  • P1691 Ford Crown Victoria
  • P1691 Ford EcoSport
  • P1691 Ford Econoline
  • P1691 Ford Edge
  • P1691 Ford Escape
  • P1691 Ford Escape Hybrid
  • P1691 Ford Escort
  • P1691 Ford Everest
  • P1691 Ford Excursion
  • P1691 Ford Expedition
  • P1691 Ford Explorer
  • P1691 Ford Explorer Sport Trac
  • P1691 Ford F-150
  • P1691 Ford F-250
  • P1691 Ford F-350
  • P1691 Ford Fiesta
  • P1691 Ford Flex
  • P1691 Ford Focus
  • P1691 Ford Focus Electric
  • P1691 Ford Freestar
  • P1691 Ford Freestyle
  • P1691 Ford Fusion
  • P1691 Ford Fusion Energi
  • P1691 Ford Fusion Hybrid
  • P1691 Ford Fusion Plug-In Hybrid
  • P1691 Ford GT
  • P1691 Ford Mustang
  • P1691 Ford Mustang Mach-E
  • P1691 Ford Mystique
  • P1691 Ford Probe
  • P1691 Ford Ranger
  • P1691 Ford Taurus
  • P1691 Ford Taurus X
  • P1691 Ford Tempo
  • P1691 Ford Thunderbird
  • P1691 Ford Transit
  • P1691 Ford Transit Connect
  • P1691 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.