2017 Hyundai Sonata Plug-In Hybrid engine problems

17 owner complaints filed with NHTSA name the engine on the 2017 Hyundai Sonata Plug-In Hybrid — 53% of all complaints for this model year.

Engine complaints

53%

share of all complaints

—

median reported incident mileage

0 / 0

crash / fire reports

What owners report

“I am reporting a serious safety issue involving a 2017 Hyundai Sonata Plug-in Hybrid (VIN: [XXX] ), originally purchased in California. While driving at approximately 70 mph on a highway, the vehicle suddenly lost all propulsion without warning and rapidly decelerated. This created a dangerous…”
filed Apr 29, 2026
“To the National Highway Traffic Safety Administration, I am filing this formal safety complaint regarding a dangerous engine failure incident involving my 2017 Hyundai Sonata Plug-in Hybrid. Description of Incident: While traveling on CA-85 near Mountain View, California, at approximately 65 miles…”
filed Mar 18, 2026

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

This TSB references the Op codes to use for claim submission and the Parts required based on the vehicle’s inspection results from TSB 22-01-023H-2 (DTC P1326 – Engine Bearing Inspection/Engine Replacement) or the…
26-01-033H TSB · Warranty Program/Extension · issued Mar 26, 2026
This TSB references the Op codes to use for claim submission and the Parts required based on the vehicle’s inspection results from TSB 22-01-023H (DTC P1326 – Engine Bearing Inspection/Engine Replacement) or the latest…
26-01-033H DN · Warranty Program/Extension · issued Mar 26, 2026
This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
23-EM-005H · Service Bulletin/Repair Instructions · issued Oct 13, 2023

Year	Reports	Share
2016 Sonata Plug-In Hybrid	18	69%