Service bulletins for the 2020 Hyundai Veloster
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.
87 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: 12-volt battery are shown. Show all
| 19-01-034H | 2019-11-18. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This bulletin provides information related to an ECM (Engine Control Module) software update to revise battery sensor data for optimized %SOC(State of Charge) value. The ECM Update also includes an update for misfire due to learning cylinder imbalance. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.