What does code P2196 mean?

O2 Sensor Signal Biased/Stuck Rich (Bank 1, Sensor 1): The upstream O2 sensor on bank 1 is stuck reading rich.

P2196 is rated as medium severity. Schedule service — affects performance or emissions.

P2196

O2 Sensor Signal Biased/Stuck Rich (Bank 1, Sensor 1)

Powertrain Code · Medium

What does P2196 mean?

The upstream O2 sensor on bank 1 is stuck reading rich.

System: O2 Sensor

P2196 is a powertrain diagnostic trouble code indicating o2 sensor signal biased/stuck rich (bank 1, sensor 1). This code is classified as medium severity, which means: schedule service — affects performance or emissions.

Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your vehicle.