Hyundai Sonata 2018 — technical service bulletin
Bulletin 5NP-K9N4J-04 · NHTSA communication 10133166 · issued Mar 29, 2018
Technical service bulletin
communication type
Equipment
component
2018
model years
1
vehicle entries
Official summary
Hyundai Motor America is conducting a Service Campaign to update the display audio software on certain dealer stock 2018 Sonata. Service Campaign T2W provides a procedure to update the display audio software.
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.