Hyundai Sonata 2011 — technical service bulletin
Bulletin 12-01-002 · NHTSA communication 10043596 · issued Jan 1, 2012
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011
model years
1
vehicle entries
Official summary
Nvld (natural vacuum leakage detection-pressure sensor assembly) replacement. On the 2011 sonata hybrid. *kb
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.