Subaru P1440: Fuel Tank Pressure Control System Function Problem (low input)
Is your scanner showing Subaru P1440?
No worries. We'll show you what it means and how to deal with it.
Subaru P1440: Fuel Tank Pressure Control System Function Problem (low input)
OVERVIEWWhat Does The Subaru P1440 Code Mean?
Key on or engine running; and the PCM detected an unexpected “low” voltage condition on the Fuel Tank Pressure (FTP) sensor circuit during the CCM test.
How Can You Fix The Subaru P1440 Code?
- Check fuel tank pressure control solenoid valve
- Check fuel filler cap
- Check fuel filler pipe seal
- Check vent control solenoid valve
- Check purge control solenoid valve
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Valve Pressure Control. Fits Forester, Impreza, STI, WRX
>>> Subaru Genuine 42031AG000 Gas Filler Cap
>>> Subaru Fuel Filler Pipe Seal
>>> Vapor Canister Purge Solenoid Fits Forester, Impreza, Legacy, Outback, WRX
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Subaru P1440, DTCDECODE.
