DTC 18683

SAE VAG Description
P2251 18683 O2 Sensor Negative Current Control Circuit/Open Bank 1 Sensor 1

Oxygen sensor and oxygen sensor control before catalytic converter
- Oxygen sensor and oxygen sensor control before catalytic converter, checking. Oxygen Sensor and Oxygen Sensor Control Before Catalytic Converter, Checking
- Check wiring diagram.

Oxygen sensor heater for oxygen sensor before Three Way Catalytic Converter (TWC)
- Oxygen sensor heater for oxygen sensor before Three Way Catalytic Converter (TWC), checking. Oxygen Sensor Heater For Oxygen Sensor Before Three Way Catalytic Converter (TWC), Checking