Service bulletins for the 2022 Hyundai IONIQ 5
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.
50 on file from NHTSA, as of 2026-10-19.
About U0284 on the 2022 Hyundai IONIQ 5: what the code means, and the bulletins and recalls about the same components.
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By trouble code
Only bulletins with trouble code: U0284 are shown. Show all
| 23-01-075H | 2023-10-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information on replacement of the Active Air Flap (AAF) actuator on 2022MY Ioniq 5 (NE1) vehicles that may exhibit AAF warning signs and DTC U028400 while driving. The AAF may not open or close when the DTC U028400 is active due to unstable power supply to the actuator. Follow the procedure in this bulletin to replace the AAF actuator and erase the DTC code. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.