Hyundai Elantra 2011–2016 — technical service bulletin
Bulletin 23-01-086H · NHTSA communication 10245008 · issued Nov 3, 2023
Technical service bulletin
communication type
Structure
component
2011–2016
model years
8
vehicle entries
Official summary
In certain areas, a vehicleâ s underbody may exhibit corrosion due to road-salt usage. As a preventative measure, a cavity wax coating is applied to the internal surfaces of underbody components and an undercoating spray is applied to exterior surfaces of specified underbody components. The service campaign describes the procedure to perform this preventative service on certain 2011 â 2016MY Elantraâ s (MD/UD) and certain 2013 â 2014MY Elantra Coupe (JK) vehicles.
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.