Audi P1409: Tank Ventilation Valve Circuit Malfunction Conditions
Is your scanner showing Audi P1409?
No worries. We'll show you what it means and how to deal with it.
Audi P1409: Tank Ventilation Valve Circuit Malfunction Conditions
OVERVIEWWhat Does The Audi P1409 Code Mean?
Key on or engine running; and the ECM detected a too high or too low voltage level in the tank ventilation valve circuit.
What Are The Potential Causes Of The Audi P1409 Code?
- EVAP canister purge regulator valve has failed
- Activation wire is shorting to positive
- EVAP canister system has an improper or broken seal
- Evaporative Emission (EVAP) canister purge regulator valve 1 is faulty
- Leak Detection Pump (LDP) is faulty
- Fuel filler cap is not properly closed
- Lock ring on fuel pump not tightened
- Hoses between EVAP canister and purge regulator valve have failed
- ECM has failed
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> Vapor Canister Purge Valve Solenoid 06E906517A
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Audi Fuel Vapor Leak Detection Pump
>>> Autobahn88 Silicone Vacuum Hose Dress Up DIY Kit
>>> Audi Engine Control Module
>>> Audi EVAP vapor canister
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Audi P1409, DTCDECODE.
