Everything NHTSA's vPIC database knows about this exact vehicle:
Decoding from NHTSA…
Vehicle history — accidents, title & owners
The decode above is what this vehicle is. For what it's been through — accidents, title brands, odometer, theft/total-loss and previous owners — pull a full history report.
NHTSA publishes the first 11 characters of the VIN with every complaint — that identifies the plant, model year, body and engine. So these are reports from cars built exactly like this one, not an average across the whole model.
5NPE34AF3HH••••••2017 Hyundai SONATA
This build draws 2.8× more complaints than the average 2017 Hyundai SONATA build (32 vs 11).
32on this build
743on the model
66builds in total
Most reportedEngine 15Steering 9Electrical System 4Power Train 2
What owners of this build wrote
SteeringJun 2026
I was driving and all of a sudden the traction lights turned on and the sterring wheel is hard to turn. Almost go in a car accident. The windows just stopped working and the brakes light constantly keep getting burned out
SuspensionMay 2026
[XXX] [XXX] [XXX]; [XXX] [XXX] [XXX] Date: XXX To: National Highway Traffic Safety Administration Office of Defects Investigation (ODI) Subject: Formal Safety Defect Complaint – 2017 Hyundai Sonata Theta II Engine Failure, Excessive Oil Consumption, Intake/Engine Component…
Electrical SystemFeb 2026
This car is becoming more of a headache than it’s worth. Turned the car on, My car started shaking and my check engine light came on. Then I got this message “A possible condition with your engine control system has been detected on a 2017 Hyundai Sonata”
EngineOct 2025
My car is needing an oil change almost every 3 weeks at this point. Mechanics say there is no leak and there may be a recall for GDI engines that are burning oil very fast. This is a reoccurring problem and would love to find out if I can get this recalled like I seen other 2017…
StructureJun 2025
1. Sunroof frame detached from car due to defective adhesive. (Antena tailfin also detached from car years earlier because of defective adhesive). Because of this the frame was bent causing the sunroof to disengage from car . 2. Sunroof disengaging while on Interstate could have…
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Owner complaints…
Now the whole model — all 66 builds of it, not just this build. Same NHTSA reports, wider net:
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Exact value for this VIN, adjusted for mileage
The original window sticker and factory options
Full research report as a PDF you can hand to a mechanic
Decoded via NHTSA vPIC. Recalls, complaints and safety from NHTSA; MPG from EPA fueleconomy.gov. Full history reports from our partner. VIN 5NPE34AF3HH408671 · decoded Aug 2026. — ForCar Reviewed by Denis Kataev, founder of ForCar.