P0031

SAE VAG Description
P0031 16415 HO2S Heater Control Circuit Low Bank 1 Sensor 1

G39 - Heated Oxygen Sensor (HO2S)
- Exhaust manifold front exhaust pipe with Three Way Catalytic Converter (TWC) and attachments. Three Way Catalytic Converter (TWC), Checking
- Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC) checking. Oxygen Sensor and O2S Control Before Catalyst, Checking

Z19 - Oxygen Sensor (O2S) Heater
- Oxygen sensor heater before Three Way Catalytic Converter (TWC) checking. Oxygen Sensor Heater Before Catalyst

Note: B1S1