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Engine And Engine Cooling
05/18/2026
The contact's daughter owns a 2020 Hyundai Santa Fe. The contact received a notification for an unknown emissions recall. The vehicle was taken to a local dealer, where it remained for three weeks, and an ECU software update was completed. The vehicle was then driven to the contact's residence. Upon restarting the vehicle, the vehicle jerked and chugged while driving. The manufacturer was notified of the failure, and a complaint was filed. The failure mileage was approximately 84,000.
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Engine
12/01/2025
Unknown
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Unknown Or Other, visibility/wiper
06/17/2026
2020 Hyundai Santa Fe Limited. The panoramic sunroof glass suddenly shattered/exploded without a collision and without any known impact. Glass shattered completely and created a safety hazard to occupants and traffic. Vehicle was purchased as Hyundai Certified Pre-Owned in 2021. Hyundai corporate case has been opened and advised dealer inspection. Dealer inspection is pending. Photos are available. Request that this be logged as a potential safety issue involving panoramic sunroof glass failure.
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Steering, electrical System, lane Departure
06/09/2026
Vehicle experiences severe, intermittent, un-commanded steering inputs from the Lane Keeping Assist (LKA) system at highway speeds (55-70 MPH). The steering wheel violently jerks toward adjacent traffic lanes/shoulders without operator input, lane drift, or warning, requiring immediate high-force manual intervention to overpower mechanical torque and prevent a collision or roadway departure. Chronology of manufacturer notice: - Oct 2024: Initial consumer dispute logs flagged steering safety concerns and unresolved campaign items. - Dec 2024: Opened Corporate Case 24164934, formally alerting consumer affairs to dangerous steering wheel jerking. - Jan 2025: Presented to an authorized dealer; an OTA software update was deployed, but intermittent tracking failures persisted, including failure to recognize lanes at night. - June 2026: Under Case 42680760, the system failed acutely on the interstate, jerking the vehicle out of painted lanes. The malfunction originates in the LKA steering c...
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Engine
11/07/2025
I took it to Hyundai Dealership in November 2025 and did the Service Campaign 9C2 and TSB 25-01-087H software update. Since that happened my engine is jumpy and I have taken it back to dealer and they can't find anything. Several people with this issue have been found since on several forums after having the update. One said the dealer knows about the issue and so does Hyundai, but when I ask they know nothing.
