P0157O2 Sensor Circuit Malfunction (Bank 2 Sensor 2)

What it means

P0157 is an OBD-II diagnostic trouble code: O2 Sensor Circuit Malfunction (Bank 2 Sensor 2).

Typical fix

Confirm the code with an OBD-II scanner, then inspect the component or circuit named above. Consult a vehicle-specific service manual for the full diagnostic and repair procedure.

Sources