U0309
U0309 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.U0309 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 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.
When the engine is in higher engine speed and torque condition, the differential pressure over the DPF is expected to rise according to engine speed and torque. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.
Ford U0309 Fault Code Meaning :
Ford U0309 Symptoms :
Ford U0309 Reasons :
How To Fix Ford U0309 Trouble Code ?
Which Ford cars have the code U0309?
- U0309 Ford Aerostar
- U0309 Ford Bronco
- U0309 Ford C-Max
- U0309 Ford C-Max Energi
- U0309 Ford C-Max Hybrid
- U0309 Ford Contour
- U0309 Ford Crown Victoria
- U0309 Ford EcoSport
- U0309 Ford Econoline
- U0309 Ford Edge
- U0309 Ford Escape
- U0309 Ford Escape Hybrid
- U0309 Ford Escort
- U0309 Ford Everest
- U0309 Ford Excursion
- U0309 Ford Expedition
- U0309 Ford Explorer
- U0309 Ford Explorer Sport Trac
- U0309 Ford F-150
- U0309 Ford F-250
- U0309 Ford F-350
- U0309 Ford Fiesta
- U0309 Ford Flex
- U0309 Ford Focus
- U0309 Ford Focus Electric
- U0309 Ford Freestar
- U0309 Ford Freestyle
- U0309 Ford Fusion
- U0309 Ford Fusion Energi
- U0309 Ford Fusion Hybrid
- U0309 Ford Fusion Plug-In Hybrid
- U0309 Ford GT
- U0309 Ford Mustang
- U0309 Ford Mustang Mach-E
- U0309 Ford Mystique
- U0309 Ford Probe
- U0309 Ford Ranger
- U0309 Ford Taurus
- U0309 Ford Taurus X
- U0309 Ford Tempo
- U0309 Ford Thunderbird
- U0309 Ford Transit
- U0309 Ford Transit Connect
- U0309 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.