Table 1 shows one common hybrid propulsion system related problems of the 2016 Hyundai Sonata Hybrid.
| Problem Category | Number of Problems |
|---|---|
| Hybrid Propulsion System problems |
The contact owns a 2016 Hyundai Sonata Hybrid. The contact stated while driving approximately 60 mph, the check engine warning light illuminated, and the message "check hybrid system, turn off the engine" was displayed, and the vehicle was shaking while decelerating. The vehicle was towed to the dealer where it was diagnosed with the technical service bulletin: 198. The technical service bulletin was completed; however, the failure recurred. The vehicle was towed to the same dealer where it was diagnosed with a drained battery and catalytic converter failure. The vehicle was repaired; however, the failure recurred. The vehicle was towed to the same dealer. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 147,000.
The contact owns a 2016 Hyundai Sonata Hybrid. The contact stated while driving approximately 55 mph, the vehicle was shaking. The hybrid battery, phev system, and check engine warning lights were illuminated. The vehicle stalled. The vehicle was towed however, the independent mechanic was unable to determine the cause of the failure. The vehicle was then towed to the local dealer, who diagnosed a failure with the engine and catalytic converter. The engine was replaced. The failure reoccurred. The manufacturer was notified of the failure. The approximate failure mileage was 120,000.