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.

- Hawthorne, NJ, USA

The contact owns a 2016 Hyundai Sonata Hybrid. The contact stated that while his wife was driving at a slow speed out of the driveway, she heard a knocking sound coming from under the hood. The check engine warning light was illuminated. The vehicle was towed to the dealer where it was diagnosed that the engine needed to be replaced. The vehicle was repaired; however, the failure recurred. The contact stated that after the vehicle was retrieved from the dealer, the check engine warning light illuminated after 300 miles. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 163,000.

- Dixon, CA, USA

The contact owns a 2016 Hyundai Sonata Hybrid. The contact stated that while his son was driving at an undisclosed speed, the vehicle lost motive power. The vehicle was towed to the dealer, where it was diagnosed with low oil and engine failure. The vehicle was not repaired. The contact related the failure to NHTSA Campaign Number: 20V746000 (Engine). The manufacturer was made aware of the failure. The failure mileage was 67,036. The contact noted that the failure speed was approximately 40 mph. It wasn't long after purchasing the vehicle that the engine seized while driving. The contact stated that the manufacturer will not honor the warranty due to the incident occurring from "an outside influence". Said influence is unknown to the contact.

- Alpharetta, GA, USA

The contact owns a 2016 Hyundai Sonata Hybrid. The contact stated while driving approximately 65 MPH, several unknown warning lights illuminated and the vehicle decelerated independently. The contact was able to park on the side of the road before the vehicle stalled. The vehicle was not drivable. The contact towed the vehicle to a local dealer, where it was diagnosed with needing the knock sensor to be replaced. The vehicle was repaired. The manufacturer had not been informed of the failure. The failure mileage was 34,252.

- Glendale, CA, USA

The contact owns a 2016 Hyundai Sonata Hybrid. The contact stated that while driving at 75 MPH, he heard an abnormal popping sound coming from the engine. The contact stated that the engine started making abnormal rattling sounds and the vehicle was shuddering. The check engine warning light and the oil warning light illuminated. The contact continued to drive the vehicle to the residence. The vehicle was then towed to an independent mechanic where it was diagnosed that oil had leaked in the engine compartment and that there was a hole in the engine. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The contact became aware of NHTSA Campaign Number: 20V746000 (Engine) and the dealer was contacted for the recall repair; however, the dealer informed the contact that the next service availability was in a month. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 43,000. Parts distribution disconnect.

- Melbourne, FL, USA

The contact owns a 2016 Hyundai Sonata Hybrid. The contact stated while driving 50 MPH, the vehicle started to violently shake and lose power while being powered by the engine. The contact stated the accelerator pedal was released and the shaking stopped as the vehicle switched to being powered by the battery. The contact stated as the vehicle was a hybrid vehicle the switch between using the engine and battery was done automatically when the accelerator pedal was released. The contact also stated that an abnormal noise was coming from the engine compartment when the vehicle was started. The check engine warning light was illuminated. The vehicle was taken to the dealer where the failure was diagnosed as an engine misfire and that the coils needed to be replaced. The vehicle was repaired; however, the failure continued as soon as the vehicle was picked up from the dealer. The vehicle was taken back to the dealer where it was awaiting diagnostic testing. The contact recently received a Service Campaign from the manufacturer for the engine monitoring logic. The contact was relating the Service Campaign to the failure. The manufacturer was not notified of the failure. The approximate failure mileage was 204,000.

- Belmont, CA, USA

The contact owns a 2016 Hyundai Sonata Hybrid. The contact stated that the check engine warning light was illuminated. The vehicle was taken to a local dealer where it was diagnosed with needing the ignition coils replaced. The vehicle was not repaired. The manufacturer was informed of the failure and the contact was awaiting a response. The failure mileage was approximately 135,000.

- Ellenton, FL, USA

The contact owns a 2016 Hyundai Sonata Hybrid. The contact stated that while receiving an oil change, the dealer informed the contact that there was an abnormal sound from the engine compartment. The contact stated that the check engine warning light was illuminated. The vehicle was towed and diagnosed but not yet repaired. The manufacturer was informed of the failure. The contact was informed that the Vin was not under recall. The failure mileage was approximately 157,035.

- Chambersburg, PA, USA

The contact owns a 2016 Hyundai Sonata Hybrid. The contact stated while driving 15 mph, the vehicle loss motive power and shuddered while the accelerator pedal was being depressed. There was no warning light illuminated. The contact pulled over and restarted the vehicle however, the failure persisted. The contact took the vehicle to the local dealer however, the vehicle was not yet diagnosed nor repaired. The contact was concerned that the failure was engine related. The manufacturer was made aware of the failure. The failure mileage was 99,000.

- Menifee, CA, USA

The contact owns a 2016 Hyundai Sonata hybrid. The contact received notification of NHTSA campaign number: 20V746000 (engine) however, the part to do the recall repair was unavailable. The contact called bob baker Hyundai (5285 car country dr, carlsbad, ca 92008, (760) 929-4900) where it was confirmed that the part was not yet available for the recall repair. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The contact stated while driving 30 mph, a clicking sound was heard. The contact stated that several warning lights were illuminated. The vehicle was not taken to an independent mechanic or dealer to diagnosed or repaired. The manufacturer was not made aware of the issue. The failure mileage was approximately 55,707. Parts distribution disconnect.

- Escondido, CA, USA

The contact owns a 2016 Hyundai Sonata hybrid. The contact received notification of NHTSA campaign number: 20V746000 (engine) however, the part to do the recall repair was unavailable. The contact called fitzgerald countryside Hyundai (27419 us hwy 19 N, clearwater, fl 33761, (888) 794-1694) and it was confirmed that the part was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

- Learwater, FL, USA

The contact owns a 2016 Hyundai Sonata hybrid. The contact received notification of NHTSA campaign number: 20V746000 (engine) however, the part to do the recall repair was unavailable. Roseville Hyundai (200 N sunrise ave, roseville, ca 95661) was contacted and it was confirmed that parts were not yet available. The manufacturer was made aware of the issue and offered no assistance. The contact had not experienced a failure. VIN tool confirms parts not available.

- Grass Valley, CA, USA

The contact owns a 2016 Hyundai Sonata hybrid. The contact stated while driving at an undisclosed speed, the vehicle loss motive power and stalled with the check engine warning light illuminated. The vehicle was taken to an unknown dealer to be diagnosed. The contact was informed that the engine needed to be replaced. The vehicle was repaired. After replacing the engine, the contact received notification of NHTSA campaign number: 20V746000 (engine). The contact linked the failure to the recall. The manufacturer was informed of the failure. The failure mileage was approximately 62,000.

- Woodstock, GA, USA

The contact owns a 2016 Hyundai Sonata hybrid. The contact received notification of NHTSA campaign number: 20V746000 (engine) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. Neither the dealer nor the manufacturer was not made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.

- Tapeka, IA, USA

The contact owns a 2016 Hyundai Sonata hybrid. The contact received notification of NHTSA campaign number: 20V746000 (engine) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. Neither the dealer nor the manufacturer were contacted. The contact had not experienced a failure. Parts distribution disconnect. Consumer stated dealer was contacted.

- Tapeka, KS, USA

The contact owns a 2016 Hyundai Sonata hybrid. The contact stated that while driving 65 mph, the vehicle started making an abnormal ticking noise simultaneously while stalling, without warning. The contact was forced to place the vehicle into hybrid mode to resume normal driving. The contact took the vehicle to carter county Hyundai (616 holiday dr, ardmore, ok 73401) and was informed that the rod bearing was defective. The contact was also informed that the vehicle was included in NHTSA campaign number: 20V746000 (engine) which was linked to the failure. The contact was informed that the parts for the recall repair was not yet available. The manufacturer was not made aware of the failure. The vehicle was not repaired. The failure mileage was approximately 119,000. VIN tool confirms parts not available.

- Wilson, OK, USA

Intermittent loss of power "sputter" at any speed with solid mil. Releasing the throttle clears the condition and the mil goes out. Vehicle drives normally with no warning indicators until next occurrence. Cause unknown at this time, began happening a few weeks after engine long block replacement under warranty campaign.

- Raleigh, NC, USA

On 5/11 my wife was driving when she heard a clicking sound. She was not far from the dealership and decided to drive the car in to get looked at. As she got close to the dealership the vehicle started to smoke. She pulled over to a safe location where she could get out and as she was pulling over the vehicle started to flame. She immediately grabbed the dog and jumped out of the car and called 911. Withinjust a couple minutes of exiting the vehicle it was fully engulfed in flames and exploded.

- Wilder, KY, USA

Engine knocking which lead to engine failure requiring a complete replacement of the engine. There was no warning from the engine warning system. Hyundai corporate said since I am the second owner they will not cover the cost of the repair which was over $3200. This issue seems to be related to the engine bearing problems Hyundai had in the past. My vehicle only had 85,000 miles on it when the problems began. The company also refused to provide me with the mechanics notes regarding the repairs.

- Mesa, AZ, USA

Clattering of internal combustion engine observed by customer under normal operating conditions. Came on suddenly. Rod noise. Internal combustion engine failure 58,884 miles cause due to metal shavings left over from manufacturing process as discovered through manufacturer prescribed warranty repair prior authorization procedures. Dealer performed no cost long block replacement. Out of service approximately 25 days. Manufacturer did not warranty replacement engine beyond original warranty mileage.

- Raleigh, NC, USA