P2231

SAE VAG Description
P2231 18663 O2 Sensor Signal Circuit Shorted to Heater Circuit 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 Behind 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