# P2681 on the 2021 Toyota Sienna

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P2681

- [11020668](https://open.wenmarpro.com/bulletins/11020668), 2025-07-10: 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 \(Engine Coolant Bypass Valve Circuit Short to Battery or Open\).
- [11014174](https://open.wenmarpro.com/bulletins/11014174), 2025-02-12: 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 \(Engine Coolant Bypass Valve Circuit Short to Battery or Open\).
- [11012731](https://open.wenmarpro.com/bulletins/11012731), 2025-01-09: 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 \(Engine Coolant Bypass Valve Circuit Short to Battery or Open\).