DTC 18663
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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