Hyundai Sonata 2011 — technical service bulletin
Bulletin TSB-11-01-022 · NHTSA communication 10040956 · issued Jun 1, 2011
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011
model years
1
vehicle entries
Official summary
Hyundai: 2011 sonata. Inspection and replacement procedure for natural vacuum leakage deteciton. Ecm update information. *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.