DTC P0154 Audi
O2 Sensor Circuit No Activity Detected
O2 Sensor Circuit No Activity Detected
Description
Sensor heated up-after approx. 90 Sec full heating Battery voltage-> 10.77 V
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: P0154
- Brand: Audi