Hyundai Sonata 2020–2023 — technical service bulletin
Bulletin 23-EE-005H · NHTSA communication 10235344 · issued Apr 7, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2020–2023
model years
4
vehicle entries
Official summary
This bulletin provides the procedure to repair poor pin tension at joint connector JE102 in certain Sonata (1.6 T-GDI engine) with one or more DTC.
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.