One problem related to automatic transmission has been reported for the 2021 Hyundai Kona. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2021 Hyundai Kona based on all problems reported for the 2021 Kona.
The contact owns a 2021 Hyundai Kona. The contact stated that while driving at an undisclosed speed, the vehicle downshifted unintendedly. The check engine warning light illuminated. The vehicle was able to restart; however, the failure recurred while driving. The vehicle was taken to an independent mechanic, where it was diagnosed that the transmission piston ring had failed. The mechanic determined that the transmission needed to be replaced. The vehicle was not repaired. The dealer was not contacted. The vehicle was not repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 96,000.
| Power Train problems | |
| Automatic Transmission problems |