C3691
C3691 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.C3691 Diagnosis
The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.
The suspension proportioning output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension proportioning air solenoid fault, and for air pressure switch short circuit fault.
Ford C3691 Fault Code Meaning :
Ford C3691 Symptoms :
Ford C3691 Reasons :
How To Fix Ford C3691 Trouble Code ?
Which Ford cars have the code C3691?
- C3691 Ford Aerostar
- C3691 Ford Bronco
- C3691 Ford C-Max
- C3691 Ford C-Max Energi
- C3691 Ford C-Max Hybrid
- C3691 Ford Contour
- C3691 Ford Crown Victoria
- C3691 Ford EcoSport
- C3691 Ford Econoline
- C3691 Ford Edge
- C3691 Ford Escape
- C3691 Ford Escape Hybrid
- C3691 Ford Escort
- C3691 Ford Everest
- C3691 Ford Excursion
- C3691 Ford Expedition
- C3691 Ford Explorer
- C3691 Ford Explorer Sport Trac
- C3691 Ford F-150
- C3691 Ford F-250
- C3691 Ford F-350
- C3691 Ford Fiesta
- C3691 Ford Flex
- C3691 Ford Focus
- C3691 Ford Focus Electric
- C3691 Ford Freestar
- C3691 Ford Freestyle
- C3691 Ford Fusion
- C3691 Ford Fusion Energi
- C3691 Ford Fusion Hybrid
- C3691 Ford Fusion Plug-In Hybrid
- C3691 Ford GT
- C3691 Ford Mustang
- C3691 Ford Mustang Mach-E
- C3691 Ford Mystique
- C3691 Ford Probe
- C3691 Ford Ranger
- C3691 Ford Taurus
- C3691 Ford Taurus X
- C3691 Ford Tempo
- C3691 Ford Thunderbird
- C3691 Ford Transit
- C3691 Ford Transit Connect
- C3691 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.