Genesis G80 2018 — technical service bulletin
Bulletin 21-01-014HG · NHTSA communication 10190040 · issued Mar 23, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018
model years
1
vehicle entries
Official summary
This TSB describes the procedure to update the TCU to revise the diagnosis logic for OBD communication test.
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.