DTC P2270-19: A/F (O2) Sensor Signal Biased/Stuck Lean Bank 1 Sensor 2 Circuit Current Above Threshold; DTC P2271-18: A/F (O2) Sensor Signal Biased/Stuck Rich Bank 1 Sensor 2 Circuit Current Below Threshold [08/2020 - ]: Wiring Diagram

WARNING: This page is about a different car, the 2025 Toyota RAV4, 2024 Toyota RAV4, 2023 Toyota RAV4, 2022 Toyota RAV4, and 2021 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0036-12.

Refer to DTC P0036-12: HO2S Heater Control Circuit Bank 1 Sensor 2 Circuit Short to Battery; DTC P0036-13: A/F (O2) Heater Control Circuit Bank 1 Sensor 2 Circuit Open; DTC P102A-9E: O2 Sensor Heater Performance Bank 1 Sensor 2 Stuck On [08/2020 - ]