Code dictionary Volkswagen
P1109Oxygen Sensor Circuit Bank 2 Sensor 2 Voltage Too Low/Air Leak
This is a definition, not a repair instruction. It does not identify a failed part or establish that a vehicle is safe to drive.
Reference scope
The source associates this definition with Volkswagen.
A manufacturer label does not establish the model, year, engine or module to which a diagnosis applies. Read the safety and diagnostic limits.
Definition source
- DTC Database: pinned community code definitions
Source checked · MIT