DTC P0057 Audi
HO2S Heater Control Circuit Low Bank 2 Sensor 2
HO2S Heater Control Circuit Low Bank 2 Sensor 2
Description
Time after engine start, >5 Sec. Heater, Commanded off
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: P0057
- Brand: Audi