C1690

C1690 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C1690 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.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded OFF.

The disconnected pipe malfunction is detected when the ventilator tube from the valve cover to the separator device is disconnected resulting in a pressure below the lower limit.Both of these malfunctions will result in a DTC being set.

Ford C1690 Fault Code Meaning :

Ford C1690 Symptoms :

Ford C1690 Reasons :

How To Fix Ford C1690 Trouble Code ?

Which Ford cars have the code C1690?

  • C1690 Ford Aerostar
  • C1690 Ford Bronco
  • C1690 Ford C-Max
  • C1690 Ford C-Max Energi
  • C1690 Ford C-Max Hybrid
  • C1690 Ford Contour
  • C1690 Ford Crown Victoria
  • C1690 Ford EcoSport
  • C1690 Ford Econoline
  • C1690 Ford Edge
  • C1690 Ford Escape
  • C1690 Ford Escape Hybrid
  • C1690 Ford Escort
  • C1690 Ford Everest
  • C1690 Ford Excursion
  • C1690 Ford Expedition
  • C1690 Ford Explorer
  • C1690 Ford Explorer Sport Trac
  • C1690 Ford F-150
  • C1690 Ford F-250
  • C1690 Ford F-350
  • C1690 Ford Fiesta
  • C1690 Ford Flex
  • C1690 Ford Focus
  • C1690 Ford Focus Electric
  • C1690 Ford Freestar
  • C1690 Ford Freestyle
  • C1690 Ford Fusion
  • C1690 Ford Fusion Energi
  • C1690 Ford Fusion Hybrid
  • C1690 Ford Fusion Plug-In Hybrid
  • C1690 Ford GT
  • C1690 Ford Mustang
  • C1690 Ford Mustang Mach-E
  • C1690 Ford Mystique
  • C1690 Ford Probe
  • C1690 Ford Ranger
  • C1690 Ford Taurus
  • C1690 Ford Taurus X
  • C1690 Ford Tempo
  • C1690 Ford Thunderbird
  • C1690 Ford Transit
  • C1690 Ford Transit Connect
  • C1690 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.