DTC 18669

SAE VAG Description
P2237 18669 O2 Sensor Positive Current Control Circuit/Open Bank 1 Sensor 1

Oxygen sensor and oxygen sensor control before catalytic converter
- Oxygen sensor and oxygen sensor regulation before catalytic converter, checking Oxygen Sensor and Sensor Regulation Before Catalyst, Checking

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