# C1AC2 on the 2023 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.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name C1AC2

- [11005150](https://open.wenmarpro.com/bulletins/11005150), 2024-07-23: Some 2021 – 2024 model year Sienna Hybrid vehicles equipped with a Blind Spot Monitor may exhibit a MIL ON condition with Diagnostic Trouble Code \(DTC\) C1AC200 \(Rear Side Radar Sensor Beam Axis Misalignment\) present and Blind Spot Monitor inoperative system warnings displayed.