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. Its meaning is in the manufacturer's service information.
| SB-06-001-10 | 2010-09-15. Service bulletin. 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 |
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1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.