Hyundai IONIQ Electric 2018–2019 — technical service bulletin
Bulletin 19-01-004H · NHTSA communication 10154669 · issued Feb 6, 2019
Technical service bulletin
communication type
Electrical System
component
2018–2019
model years
3
vehicle entries
Official summary
This bulletin describes the procedure to update the D-Audio lite head unit on certain Tucson (TL) and Ioniq Plug-in Hybrid (AE PHEV) to correct the home screen remaining blank.
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.