# C1099 on the 2007 Mazda Mazda3

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 C1099

- [10033727](https://open.wenmarpro.com/bulletins/10033727), 2010-09-15: MAZDA: HEAVY STEERING EFFORT WITH POWER STEERING MALFUNCTION INDICATOR LAMP ON AND DTC C1099. PROBLEM IS CAUSED BY CONTAMINATION OF THE SYSTEM FROM SUCH THINGS AS CORROSION GETTING INSIDE THE POWER STEERING LINE, STICKING IN THE POWER STEERING PUMP, AND LOWERING THE REVOLUTION SPEED. \*PE