DTC 17604

SAE VAG Description
P1196 17604 O2 Sensor Heater Circ., Bank1-Sensor1 Electrical Malfunction

Z19 - Oxygen Sensor (O2S) Heater
Z28 - Oxygen Sensor (O2S) Heater 2

- 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