Hyundai Elantra N 2019–2024 — technical service bulletin
Bulletin 24-EM-010H · NHTSA communication 11012045 · issued Dec 19, 2024
Technical service bulletin
communication type
Engine
component
2019–2024
model years
9
vehicle entries
Official summary
Certain Elantra N (CN7 N), Kona N (OS N), and Veloster N (JS N) vehicles may have DTC P1326 set due to water intrusion in the knock sensor connector during heavy rain or car wash conditions. There is no abnormal engine noise present, and the vehicle may enter “limp home” mode.
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.