Conditions for Setting the DTC: P2196
WARNING: This page is about a different car, the 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- The ECM detects that the HO2S 1 signal is biased rich.
- DTC P2196 sets within 1 second when the above condition is met continuously, or within 10 seconds when met cumulatively.