Hyundai 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 direction of what the driver intended.
The short version
Hyundai Motor America reported a problem with the electrical system software. Here is what owners need to know.
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 direction of what the driver intended.
A turn signal that activates in the opposite direction of what was intended by the driver increases the risk of a crash.
Take it to a dealer — they will update the SJB software, free of charge.
Affected vehicles
These model years are included in NHTSA campaign 21V-749.
| YEAR RANGE | MODEL |
|---|---|
| 2015–2017 | Hyundai Sonata |
What changed
Newest first. The record shows both when the recall began and what has changed since.
- Recall reported to NHTSA. LATEST
Drive one of these? Check your VIN to see if your specific vehicle is affected.
Check your VINWhat this record means
Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.
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MyAutoRecalls is not affiliated with Hyundai Motor America or the National Highway Traffic Safety Administration.