Hyundai Sonata, Hyundai Sonata Hybrid, Hyundai Sonata Plug-In Hybrid, model years 2015 to 2017. Filed by Hyundai Motor America and reported to NHTSA on 24 September 2021. 469,377 vehicles potentially affected.
What the notice says Hyundai Motor America (Hyundai) is recalling certain 2015-2017 Sonata, 2016-2017 Sonata Hybrid, and Sonata Plug-In Hybrid vehicles. The Smart Junction Box (SJB) software logic may not properly interpret the signals received from the multifunction switch, which could cause the turn signal to activate in the opposite …
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
Hyundai's own number for this recall: 210. That is the number on the owner letter and on the dealer paperwork. 21V749 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.
What owners ask about this recall
- Which vehicles does recall 21V749 cover?
- Hyundai Sonata, Hyundai Sonata Hybrid, Hyundai Sonata Plug-In Hybrid, model years 2015-2017.
- What is wrong with them?
- Hyundai Motor America (Hyundai) is recalling certain 2015-2017 Sonata, 2016-2017 Sonata Hybrid, and Sonata Plug-In Hybrid vehicles.
- What can happen if it is not put right?
- A turn signal that activates in the opposite direction of what was intended by the driver increases the risk of a crash.
- Is there a fix yet?
- Yes, and it is free. Dealers will update the SJB software, free of charge. Owner notification letters were mailed November 19, 2021. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 210.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. Hyundai calls this recall 210, which is the number on the owner letter and the dealer paperwork.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “A turn signal that activates in the opposite direction of what was intended by the driver increases the risk of a crash.”
affected
in the notice
caught
| Campaign | 21V749 |
|---|---|
| Filed by | Hyundai Motor America |
| System at fault | Exterior Lighting:Turn Signal |
| Reported to NHTSA | 24 September 2021 |
| Model years | 2015-2017 |
| Vehicles named | HYUNDAI SONATA, HYUNDAI SONATA HYBRID, HYUNDAI SONATA PLUG-IN HYBRID |
What the notice says today
The consequence
A turn signal that activates in the opposite direction of what was intended by the driver increases the risk of a crash.
The remedy
Dealers will update the SJB software, free of charge. Owner notification letters were mailed November 19, 2021. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 210.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 663 notices in the record whose component field names exterior lighting. Across that group the median wait before owners were written to was 43 days.
Last checked . No change has been recorded in the wording.
The models named here, across their whole recall history
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 21V749, wording as read on 16 September 2026. https://carsmultiverse.com/recall/21v749/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
Other Hyundai notices we hold
- 26V493: 2027 Genesis G80
- 26V452: 2025 Kona Electric and 2026 Kona
- 26V432: 2023-2024 Ioniq 5
- 26V400: 2025-2026 Tucson, Tucson Hybrid, Tucson Plug-In Hybrid Electric (PHEV)
- 26V316: 2025-2026 Santa Cruz, Tucson, Tucson Hybrid, and Tucson Plug-In Hybrid Electric (PHEV)
- 26V314: 2025 Ioniq 5 and 2026 Ioniq 9
- 26V308: 2024-2026 Elantra Hybrid
- 26V307: 2015-2016 Elantra and 2016 Elantra GT
All 236 Hyundai campaigns we hold · Every manufacturer in the record
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 21V749 on 23 August 2026, they were:
- Defect summary
442ed5a0 - Consequence
c261ec0e - Remedy
ace56bd6
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 21V749 · how the whole register is watched
This notice names one vehicle among several registers that have written about it. Every notice this site holds for the Hyundai Sonata Hybrid, in all seven, is kept on that vehicle's own page, with the newest in each.
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Owners of these cars
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