Kia Niro Engine Problems
17 owner complaints filed with NHTSA across 5 model years.
Complaints by Year
Worst year: 2022. Best year: 2025.
Owner Reports
A representative sample of complaints filed with NHTSA.
The incident, occurring on [XXX], was first submitted by phone, followed by email to [XXX] on 27 May with incident description and sketch. I was given the Complaint ID no ODI11663050. However, now when I search for that number, nothing...
While entering into a parking spot at minimal speed, the vehicle experienced an unexpected spontaneous acceleration, causing it to lunge forward, climb onto the curb, and collide with the adjacent building. This resulted mainly in damage...
Problem 1, Check Engine Light: I purchased the used car on Jan 9 2025, around 23,400 miles from Kia Dealership, capitol Expy in San Jose. Today 05/27/2026, the odometer reads 26, 407 miles. My car is used only twice a week - 20 miles o...
Intermittent warning to "Refill Inverter Coolant" displays on the dash screen. This is a known issue pursuant to SA512 (ELE 270 Rev 3) due to faulty coolant that crystallizes and interferes with the sensor. However, per Kia, it is only c...
The vehicle has a recurring P0420 code (“Catalyst System Efficiency Below Threshold Bank 1”). A boroscope inspection at Ricardo Caballero Kia Santa Isabel (invoice #[XXX] dated December 5, 2025) confirmed internal disintegration of t...
EV motor and drive train have a clattering noise, much like a playing card attached to a bicycle clattering against the wheel spokes. it speeds up and slows down with the acceleration of the motor.
I am experiencing the same issues as the individual who documented incident #11685147. When I turn the shifter to drive and let my foot off the brake, with auto-hold on, the will still roll backwards, even on flat ground, and not respond...
The contact owns a 2024 Kia Niro. The contact stated that while driving at approximately 65-70 MPH on the highway, the radio panel went blank. The vehicle was blowing cold air on the driver's side while the passenger’s side was blowing...
Vehicle has been submitted for repair under recall RCRIT-23V534-0846. DTC P17ED - Engine clutch system EOL fault, is set and has never gone away. Initially the dealership did the recall in the spring of 2024. It was taken to the dealersh...
I was 3 1/2 weeks into a four year lease driving this brand new car and it stopped completely in the middle of the road flashing a HYBRID SYSTEM FAILURE warning. I nearly died. It would not move nor turn off. Had to be in the shop for 2 ...
Forward Collision System: When stopped or at low speeds, the vehicle’s forward collision warning will activate for short intervals (roughly 1-2 seconds) randomly. Hybrid Battery: The vehicle won’t go below 50% battery on the hybrid...
While slowing down (without bringing it to a full stop) to make a left turn, car dies, losses all propulsion power just coasts. First it happened intermittently than more often. First it happened in low speed later even with highway spee...