Service bulletins for the 2018 Genesis G80
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
97 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Engine control module are shown. Show all
| 21-01-014HG | 2021-04-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; POWER TRAIN; EQUIPMENT. This TSB describes the procedure to update the TCU to revise the diagnosis logic for OBD communication test. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.