2019 Kia Niro Problems

What owners report

Owners of this model year most often describe a sudden loss of power or engine shut-off while driving, along with hydraulic clutch actuator fluid leaks where recall repairs are delayed because parts are unavailable. Regenerative brake warnings, engine misfires or overheating, and jerking or lurching when starting or stopping also come up often. Complaint trend for this model year is rising, and several complaints mention hybrid system warnings on the dash.

1. 1
   Engine

   Sudden loss of power or engine shut-off while driving

   • 14 complaints (25%)
   • median 30,750 mi at 2.2 yrs old (8 state mileage, few)
   • filed 2019–2026

   Owners describe the vehicle losing power, slowing, or shutting off while driving, sometimes with no warning lights and in some cases with a Stop Engine or Pull Over message. Some say the vehicle would not restart or shift afterward and had to be towed, and some report a dash warning about the hybrid system or battery. According to complaints, dealers sometimes found that hybrid or clutch parts needed replacement and that parts were not available, and one owner says the air conditioning stopped just before the power loss. Listed mileages range from about 6,100 to 144,800 miles, and several events happened on the highway, including one at about 80 mph.

   What to check: Ask for service records showing any power-loss, stall, or shut-off repairs, and check for stored hybrid system or engine warnings with a scan tool.

   2 excerpts from owner complaints in NHTSA records

   “As I was driving on the highway, the AC stopped working. There were no warning lights, alarms or indicators that something was wrong, but I immediately got off the highway because I thought this is not right. As I braked on the ramp, the car still worked, but when I tried to accelerate leaving the ramp, there was no power. I got into an adjacent parking lot and turned off the car. When I tried to turn it back on, it was completely dead. …”

   NHTSA complaint #11245045, filed 2019-08, 6,140 miles

   “First the air conditioner stopped working for 2 days. Then on the 3rd day, 8/13/19, the hev light and oil lights went on. The engine slowed down. The car was towed to the Kia dealership in ontario, ca. Initially they said it may not be covered by warranty. Then on 8/17 they told me the air conditioner needs a new compressor. Then on 8/23 I was told that oil and metal shards had leaked into the engine and the entire engine needs to be replaced. It is unknown when the repair will be done.”

   NHTSA complaint #11246151, filed 2019-08, 26,500 miles
2. 2
   Transmission and drivetrain

   Clutch actuator fluid leaks and recall repair delays

   • 16 complaints (29%)
   • median 61,473 mi at 5.6 yrs old (5 state mileage, few)
   • filed 2023–2026

   Owners describe hydraulic clutch fluid leaking onto the actuator and its circuit board, with some saying the dual clutch, slave cylinder, or actuator had to be replaced. Many complaints say the recall repair was delayed because parts were not available, and some say their VIN was not included in the recall. According to complaints, one recall fix was incomplete even though it was marked complete, and in some cases the manufacturer offered no help with the repair cost. Listed mileages range from about 35,000 to 100,000 miles, and several complaints describe the repair waiting on parts.

   Recall 23V534000

   What to check: Ask for written confirmation that recall 23V534000 has been completed on this VIN, and check the VIN against the recall lookup.

   2 excerpts from owner complaints in NHTSA records

   “Kia has a recall on this model for the power train automatic internal clutch under NHTSA Campaign ID 23V534000 Kia Recall number is SC276. My vehicle had the HEV light come on so it is currently at the Dealership for service. They have told me the Hydraulic clutch fluid has leaked into the fuse panel and needs replaced. According to Kia my VIN number is not included in the recall, but the issue is the exact issue being explained by this national recall. …”

   NHTSA complaint #11541478, filed 2023-08

   “I am writing to formally file a complaint regarding the mishandling of a recall repair (Recall SC276) by the authorized dealership KIA of Lincolnwood, located in Illinois. In October 2024, I contacted the dealership in relation to Recall SC276. A diagnostic inspection confirmed the issue, related to the HCA system, and was supported by multiple error codes: U1010, U1011, P17ED, P17EE. I was informed that the required parts were not available at the time and would be ordered. …”

   NHTSA complaint #11666341, filed 2025-06
3. 3
   Engine

   Engine misfires, overheating, or oil and coolant leaks

   • 19 complaints (34%)
   • median 81,000 mi at 5.8 yrs old (10 state mileage)
   • 1 mention a crash, fire or injury
   • filed 2019–2026

   Owners describe engine misfires and shaking, sometimes traced to a single cylinder or its injector. Others report overheating warnings, including one that appeared shortly after startup while the engine was cold, and coolant leaking internally through an exhaust heat recovery pipe. Some describe ticking, popping, white exhaust smoke, or low oil, and one says oil and metal fragments leaked into the engine. In one case the dealer said a clogged exhaust gas recirculation port was involved and a long-block replacement might be needed. Listed mileages range from about 26,500 to 144,800 miles, and several complaints describe warnings or problems appearing while driving or right after startup.

   3 related service bulletins

   What to check: Ask whether the coolant and oil bulletins for this engine have been checked, and inspect the coolant and oil levels for leaks during a pre-purchase inspection.

   2 excerpts from owner complaints in NHTSA records

   “I have a Kia Niro Hybrid. I had the check engine light come on. I took it to Kia dealership in Cicero, NY (Driver's Village/ Burdick Kia. Upon inspection, the dealership stated the following: CONFIRM CUSTOMER CONCERN CEL ON, P0401 EGR INSUFFICIENT FLOW EGR PORT BECOMES CLOGGED AT HIGH MILEAGE, EGR REPLACEMENT WOULD CORRECT LIGHT TEMPORARILY HOWEVER CASUAL CONDITION WILL STILL REMAIN, CLOG IN EGR FROM ENGINE ITSELF. LONG BLOCK REPLACEMENT MAY BE NEEDED FOR FULL CORRECTION OF CONDITION”

   NHTSA complaint #11637525, filed 2025-01

   “Service bulletin eng212. 4th cylinder misfire. Diagnostic has been done at Dennis Dillon 9501west Fairview ave Boise id 83704. Engine shaking when increasing speeds above 30 mph. Started without warning while driving. It was recently serviced for routine items on October 16th 2024. On November 5th it had diagnostic performed. Check engine light and display showed automatic diagnostics, engine control system, possible engine condition. I was on my way to vote. Yes it is available for inspection. …”

   NHTSA complaint #11624965, filed 2024-11
4. 4
   Brakes

   Regenerative brake warnings or sudden brake loss

   • 12 complaints (21%)
   • median 73,850 mi at 4.4 yrs old (4 state mileage, few)
   • 2 mention a crash, fire or injury
   • filed 2019–2026

   Owners describe a dash message to stop the vehicle and check the regenerative brakes, with the brake pedal feeling soft, unresponsive, or slow to stop the car. Some describe the brakes sticking or seizing during a stop, and in one case the owner used the parking brake to hold the car after pulling over and the vehicle was then towed. According to complaints, the dealer in some cases could not duplicate the problem or found nothing wrong. The one complaint with a listed mileage reports about 93,000 miles, and several describe the warning appearing while driving.

   What to check: On a test drive, apply the brake pedal firmly from speed and watch for any regenerative brake warning, and ask the seller for records of any brake-system diagnostics.

   2 excerpts from owner complaints in NHTSA records

   “My car is a 2019 KIA Niro Hybrid. It's only 7 years old, and my husband and I have been the only owners. It only has 61,000 miles on it, and it is serviced regularly and has to pass a state emissions test each year. As I was driving the other day, the dashboard lit up with critical alerts saying check regenerative battery and the braking system went completely soft; I could not stop the car using the brakes. It was terrifying. I had to pull off the road and use the emergency brake to stop the car. …”

   NHTSA complaint #11745988, filed 2026-06

   “Twice the vehicle has lost all ability to brake or accelerate suddenly while driving speeds over 60 mph. The brake sticks in the up position, emergency brake doesn't work, and the gas pedal goes to the floor but does not work. The vehicle electrical panel goes haywire, battery of hybrid shows dead, then all gauges flash and change going up, down, and changing erratically. Vehicle lost all control in February and had to collide into something to stop.”

   NHTSA complaint #11454862, filed 2022-03
5. 5
   Transmission and drivetrain

   Jerks, lurches, or unexpected gear engagement

   • 15 complaints (27%)
   • median 38,850 mi at 2.4 yrs old (8 state mileage, few)
   • filed 2019–2026

   Owners describe the vehicle jerking, lunging, or clanking forward when starting from a stop or coming to a stop, sometimes with a loud noise. In one case the vehicle moved forward while the display showed reverse, and in another the transmission engaged reverse during an upshift with a violent reversal. One owner links the problem to the transmission fluid and points to a service bulletin about fluid type and fill. Listed mileages range from about 1,500 to 54,700 miles, and several happen when starting from a stop or stopping at very low speed.

   2 related service bulletins

   What to check: On a test drive, make several slow stops and starts from a stop, and ask whether the transmission fluid type and fill bulletin has been applied.

   2 excerpts from owner complaints in NHTSA records

   “I bought my 2019 car on december 2020. When the car is stopped, and I start forward, the car jerks and make a loud noise. This happens to me randomly, but once very 15 stops in average, about once every 2 days. I went to an online forum of Kia owners and it seems that the problem comes from the wrong transmission fluid being put into the car during production. …”

   NHTSA complaint #11406006, filed 2021-04, 23,000 miles

   “Since november of 2020, our NIRO has been at a Kia service center 12 times at 4 different dealerships in a desperate attempt to get our NIRO to replicate, what I think is another transmission issue, during the mile or two the tech test-drives the vehicle for diagnosis. When I am coming to a complete stop, once in a while I hear a very loud bang or a momentary loud scraping noise as if a metal spatula is being swiftly dragged across a slab of concrete. …”

   NHTSA complaint #11413613, filed 2021-04, 54,700 miles

Buying note. Buyers considering this model year may want to confirm whether the hydraulic clutch actuator recall (23V534000) has been completed, since several complaints describe the repair being delayed while parts were unavailable. A test drive that checks for regenerative brake warnings, low-speed jerking, and dash warnings can help show whether any of the issues described above are present.

Summary written with AI from a sample of 54 NHTSA complaints for this model year (picked at random, with complaints that state a mileage and recent ones taken first), then checked automatically against the source records. Where a problem shows a complaint count, every complaint for this model year was matched with fixed keyword rules (written with AI and tested against the sample), and the mileage, age and repair figures are calculated from those complaints; owners' figures are as stated, not verified. Other counts refer to the sample. The excerpts come from NHTSA's public complaint records and are unverified; capitalisation is normalised, NHTSA staff notes are removed, and shortened text ends with “…”. Something wrong? Request a correction.