Toyota Avalon 2018–2021 — technical service bulletin
Bulletin T-SB-0112-24 · NHTSA communication 11012731 · issued Dec 5, 2024
Technical service bulletin
communication type
Engine
component
2018–2021
model years
29
vehicle entries
Official summary
Some 2018 – 2021 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, or M20A-FKS engine may exhibit a condition in which an “Engine Maintenance Required” message is displayed in the Multi-Information Display (MID). Additionally, the vehicle will exhibit DTC(s) P268111 (Engine Coolant Bypass Valve Circuit Short to Ground) and/or P268115 (Engine Coolant Bypass Valve Circuit Short to Battery or Open).
Vehicles covered
- 2021 Toyota Avalon
- 2019 Toyota Avalon Hybrid
- 2020 Toyota Avalon Hybrid
- 2021 Toyota Avalon Hybrid
- 2018 Toyota Camry
- 2019 Toyota Camry
- 2020 Toyota Camry
- 2021 Toyota Camry
- 2018 Toyota Camry Hybrid
- 2019 Toyota Camry Hybrid
- 2020 Toyota Camry Hybrid
- 2021 Toyota Camry Hybrid
- 2019 Toyota Corolla
- 2020 Toyota Corolla
- 2021 Toyota Corolla
- 2019 Toyota Corolla Hatchback
- 2020 Toyota Corolla Hatchback
- 2021 Toyota Corolla Hatchback
- 2020 Toyota Highlander Hybrid
- 2021 Toyota Highlander Hybrid
- 2019 Toyota RAV4
- 2020 Toyota RAV4
- 2021 Toyota RAV4
- 2019 Toyota RAV4 Hybrid
- 2020 Toyota RAV4 Hybrid
- 2021 Toyota RAV4 Hybrid
- 2021 Toyota RAV4 Prime
- 2021 Toyota Sienna Hybrid
- 2021 Toyota Venza Hybrid
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.