# C1234 on the 2004 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 C1234

- [10005249](https://open.wenmarpro.com/bulletins/10005249), 2004-02-17: DIAGNOSTIC TROUBLE CODE \(DTC\) C1234 \- YAW RATE SENSOR. \*TT