Service bulletins for the 2021 Hyundai Ioniq
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.
33 on file from NHTSA, as of 2026-10-19.
About P1AB0 on the 2021 Hyundai Ioniq: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P1AB0 are shown. Show all
| 24-EV-005H | 2024-08-07. Service bulletin. FUEL/PROPULSION SYSTEM. Certain 2020-21MY IONIQ Electric (AE EV) vehicles may experience a condition of EV warning light ON with DTC P1AA600 – P1AB000. If any of the DTC’s listed below are found, the Battery System Assembly (BSA) will be replaced, and the Battery Management System (BMS) software may need to be updated. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.