DTC P2195: Oxygen (A/F) Sensor Signal Stuck Lean (Bank No. 1 Sensor No. 1) & DTC P2196: Oxygen (A/F) Sensor Signal Stuck Rich (Bank No. 1 Sensor No. 1): Notes
WARNING: This page is about a different car, the 2003 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
These DTCs are recorded when an air-fuel ratio (A/F) sensor circuit is not working properly.