Mazda MAZDA3 2007–2009 — technical service bulletin
Bulletin SB-06-001-10 · NHTSA communication 10033727 · issued Apr 9, 2010
Technical service bulletin
communication type
Steering
component
2007–2009
model years
3
vehicle entries
Official summary
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
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.