DTC P0161 Audi
O2 Sensor Heater Circuit Bank 2 Sensor 2 Malfunction
O2 Sensor Heater Circuit Bank 2 Sensor 2 Malfunction
Description
Heater commanded on Modeled exhaust gas temp, 200.01 - 629.99 °C Engine shutoff time > 630 Sec. Number of checks - 10 Fuel cutoff not active
Cause and Solution
HO2S Fuses
HO2S terminal corrosion
Open between HO2S and Power supply relay
Open or Short? between HO2S and ECM
Faulty HO2S
Video Guide
Diagnostic Info
- DTC Code: P0161
- Brand: Audi