P0037

SAE VAG Description
P0037 16421 HO2S Heater Control Circuit Low Bank 1 Sensor 2

Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC)
- Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC), checking. O2 Sensor and O2 Sensor Control Behind TWC
- Wiring Diagram.

Oxygen sensor heater for oxygen sensors behind Three Way Catalytic Converter (TWC)
- Oxygen sensor heater for oxygen sensors behind Three Way Catalytic Converter (TWC), checking. O2 Sensor Heater Behind Catalytic Converter