Service bulletins for the 2021 Hyundai Elantra
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.
96 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Labels and manuals are shown. Show all
| 23-01-006H | 2023-04-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN. Certain Elantra (CN7/CN7a) vehicles equipped with the 2.0L MPI and Intelligent Variable Transmission (IVT) need an update to the damper clutch logic to address a potential engine stall condition immediately following Forward Collision Avoidance (FCA) activation under specific operating conditions at low engine RPM and low vehicle speeds. In the event a low-speed stall does occur, the engine can immediately be restarted. |
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| 21-BE-002H | 2021-03-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. This bulletin describes the procedure to update the radio software to help reduce the disconnection occurrences. |
| 20-GI-006H | 2021-01-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides information on the Launch Quality Monitoring Process (LQMP) for the 2021MY Hyundai Elantra. After a new vehicle launch, Hyundai uses the LQMP to monitor all customer and dealer activities at a minimum of 100 days. The Elantra LQMP helps improve model vehicle quality, and allows Hyundai to proactively respond to the Voice of the Customer (VOC). |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.