Hyundai Sonata 2011 — technical service bulletin
Bulletin 11-01-007 · NHTSA communication 10037959 · issued Feb 1, 2011
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011
model years
1
vehicle entries
Official summary
Hyundai: there is a software update to improve the oxygen sensor. 2011 sonata. *rm
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.