2018 Kia Niro Phev Engine Problems

“Vehicle randomly flashes message to check hybrid system. Warning message disappear after vehicle reset but the message has repeatedly come up very often now. Message pops up during many different scenarios: after charging, before charging, while charging, and during operation.”

“2018 Kia niro plug-in hybrid, 16,235mi. Vehicle has been in 5 times in last several months for a total of over 30 days in shop. Transmission will do a very hard downshift intermittently when stopping. Makes vehicle dip hard..noticeable on dash cam video. On harder acceleration, power train has trouble deciding what to do and often there is a noticeable delay in acceleration. Feels sort of like it is slipping, but is a delay in powering the electric motor fully and starting the gas motor.this has caused a couple close calls when pulling into traffic expecting the car to react appropriately. …”

“In July 2023, Kia identified a defect that can increase the risk of an engine compartment fire while driving; namely that the printed circuit board in the hydraulic clutch actuator may become contaminated with fluid and lead to an electrical short circuit. To date, there is still no remedy available. I am filing this complaint for your assistance in ensuring the company provides a remedy within a reasonable time.”

“Year/Make/Model: 2018 Kia Niro Hybrid Mileage at time of incident: approximately 69,000 Component: Hybrid Propulsion System / Powertrain My 2018 Kia Niro Hybrid has experienced five recurring Hybrid System Failure — Turn Off Engine errors occurring without warning while the vehicle was being operated. Each occurrence rendered the gas engine ineffective in moving the vehicle, creating an immediate safety hazard. The driver was forced to quickly navigate to safety each time. The vehicle has been brought to the dealership four times for this issue — February 25, May 4, May 15, and May 30, 2025. …”