U1691

U1691 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

U1691 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.The position information for the switch becomes Not Available. Remove the duplicate Smart Switch, then use ServiceLink to verify that the correct Smart Switches are configured for the vehicle.

Engine starting is disabled and other optional functions may be interrupted until the fault is corrected and the ignition switch is cycled.

Ford U1691 Fault Code Meaning :

Ford U1691 Symptoms :

Ford U1691 Reasons :

How To Fix Ford U1691 Trouble Code ?

Which Ford cars have the code U1691?

  • U1691 Ford Aerostar
  • U1691 Ford Bronco
  • U1691 Ford C-Max
  • U1691 Ford C-Max Energi
  • U1691 Ford C-Max Hybrid
  • U1691 Ford Contour
  • U1691 Ford Crown Victoria
  • U1691 Ford EcoSport
  • U1691 Ford Econoline
  • U1691 Ford Edge
  • U1691 Ford Escape
  • U1691 Ford Escape Hybrid
  • U1691 Ford Escort
  • U1691 Ford Everest
  • U1691 Ford Excursion
  • U1691 Ford Expedition
  • U1691 Ford Explorer
  • U1691 Ford Explorer Sport Trac
  • U1691 Ford F-150
  • U1691 Ford F-250
  • U1691 Ford F-350
  • U1691 Ford Fiesta
  • U1691 Ford Flex
  • U1691 Ford Focus
  • U1691 Ford Focus Electric
  • U1691 Ford Freestar
  • U1691 Ford Freestyle
  • U1691 Ford Fusion
  • U1691 Ford Fusion Energi
  • U1691 Ford Fusion Hybrid
  • U1691 Ford Fusion Plug-In Hybrid
  • U1691 Ford GT
  • U1691 Ford Mustang
  • U1691 Ford Mustang Mach-E
  • U1691 Ford Mystique
  • U1691 Ford Probe
  • U1691 Ford Ranger
  • U1691 Ford Taurus
  • U1691 Ford Taurus X
  • U1691 Ford Tempo
  • U1691 Ford Thunderbird
  • U1691 Ford Transit
  • U1691 Ford Transit Connect
  • U1691 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.