Hyundai Elantra 2011–2013 — technical service bulletin
Bulletin 5NPR6B8B02 · NHTSA communication 10117917 · issued Jan 19, 2017
Technical service bulletin
communication type
Electrical System
component
2011–2013
model years
3
vehicle entries
Official summary
Some 2011-2013MY Elantra, 2013MY Elantra GT and 2013MY Elantra Coupe vehicles may exhibit an issue with Nitrogen Oxides (NOx) emission exceeding the standards under certain specific conditions. This bulletin provides information related to the Engine Control Module (ECM) software update for NOx emission improvement. The fuel adaption processing is modified to improve the described condition.
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.