Hyundai Sonata 2018 — technical service bulletin
Bulletin 5NP-X4D6V-01 · NHTSA communication 10127009 · issued Dec 11, 2017
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018
model years
1
vehicle entries
Official summary
Hyundai Motor America is conducting a Service Campaign to update the ECM and TCM on certain 2018 Year Sonata 2.0L turbo vehicles. Service Campaign T2Q provides a service procedure to update the ECM and TCM.
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.