Service bulletins for the 2009 Hyundai Genesis
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.
75 on file from NHTSA, as of 2026-10-19.
About P0638 on the 2009 Hyundai Genesis: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P0638 are shown. Show all
| TSB-10-FL-010 | 2010-12-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. HYUNDAI: DTC P2135/P0638 OR COLD ENGINE RPM FLUCTUATION; TPS REPLACEMENT AND ECM UPDATE. SOME 2.7L, 3.3L OR 3.8L ENGINES IN MODELS IDENTIFIED IN THE APPLICABILITY LIST MAY EXPERIENCE ONE OR MORE OF THE CONDITIONS LISTED. *PE |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.