2017 Kia Niro Owner Complaints

September 18th I had to jump the battery from the 12 volt switch at the drivers side dash. Going to the dealership where I had bought it on August 27th I noticed smoke rolling out from behind the car. I exited off the highway 40 and checked the oil it was clean and full. Water level in radiator was also fine. It smoked several times during the trip but the service department at Parkside Kia was no longer opened so I returned the next morning when I got there they service department technician could not find anything wrong with the battery and he never seen any smoke. Now, I will take it to another Kia dealership in my area because I do not feel side driving it on the highway on a long trip anymore.

NHTSA ID

11765600

Incident

Sep 19, 2026

On XXX, at approximately 11:30 a.m., a friend and I were driving on XXX near [XXX], when I noticed smoke coming from the engine compartment. As I pulled over to the side of the road, a warning light appeared on the dashboard. Once stopped, I saw flames coming from the engine compartment. We immediately got out of the car, retrieved our dogs from the back seat, and ran away from the burning car. Another motorist who had witnessed the flames pulled over behind us. Because our cell phones were still inside the car, we used his phone to call [XXX]. The Tennessee Highway Patrol and the Fire Department responded to the scene. The car was completely destroyed by the fire and was declared a total loss. We were unable to retrieve anything from the car. There was no collision with another car or object. The car is now located at [XXX]. Telephone [XXX]. On XXX KIA Ourisman of [XXX] had installed a rebuilt engine, as according to them, the original engine had “thrown a rod.” An insurance claim has been filed with GEICO. Complaints have been filed with KIA of [XXX] and [XXX] KIA of [XXX]. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ID

11764814

Incident

Aug 31, 2026

The vehicle's hydraulic clutch actuator (HCA) has failed and is actively leaking fluid onto the printed circuit board (PCB), creating an immediate electrical short and engine bay fire hazard. This failure is identical to the defect detailed in Safety Recall SC276 (NHTSA Campaign 23V534). As indicated by a search of my VIN, the vehicle was brought in by us previously when we learned there was a recall, and the recall was officially marked "completed" in the NHTSA database. However, the dealership at the time claimed the vehicle was not affected by the recall, stating there was nothing wrong. They simply performed the minor step of changing a fuse to mark it as completed but did not provide an actual remedy or replacement for the actuator assembly itself. The original manufacturing defect has now actively manifested, causing a severe, active fire risk. The vehicle is currently grounded at an authorized Kia dealership. The dealership and Kia Corporate have acknowledged the dangerous defect by offering a partial goodwill gesture to cover the replacement parts. However, they are refusing to cover the $750+ labor charge required to safely replace the fire-prone assembly. Furthermore, the dealership has held my vehicle for over a month, taking a full month just to communicate this partial remedy. I am filing this complaint because a previously executed safety recall has catastrophically failed, and the manufacturer is refusing to completely remediate an active, federally documented fire hazard free of charge.

NHTSA ID

11764064

Incident

Sep 12, 2026

My 2017 Kia Niro has developed a serious hybrid system failure that causes the vehicle to shut off unexpectedly while driving. For about a month, the car would only start using the “12V Battery Reset” button. Now it starts, but after driving a short distance, the vehicle loses power and shuts off without warning. The only way to restart it is by pressing the reset button again. The AC and accessories continue to run, and the high‑voltage battery appears to charge normally, but the car cannot maintain 12V power under load. This is consistent with a DC‑DC converter or 12V subsystem failure, which is a known issue in early Kia Niro hybrids. This sudden shutdown creates a dangerous situation, especially in traffic. I am reporting this as a safety defect due to the unexpected loss of motive power. There is no recall for this issue, but many owners have reported similar failures.

NHTSA ID

11760037

Incident

Jul 20, 2026

2017 Kia Niro Hybrid subject to Safety Recall SC276 (NHTSA Campaign 23V534) for the Hydraulic Clutch Actuator (HCA). Fluid contamination of the HCA PCB can cause an electrical short and engine compartment fire risk. Official remedy is HCA inspection/replacement as necessary plus a new fuse. Three dealer visits: Shortly after purchase for SC276 recall and routine service. Dealer performed HCA Inspect/Replace, reported no problem codes, and replaced the fuse. After sudden complete loss of propulsion on the freeway at 60-65 mph with a passenger. Engine RPM rose sharply as if in neutral. No accelerator response. Brake system warning lights illuminated. Had to pull over to the shoulder, shut off and restart before it would move. Took to dealer same day. They kept it several days, found no codes, could not duplicate, and released as "good to go." Vehicle later would not move and entered limp mode. Towed to dealer. That morning I replaced spark plugs myself with new NGK Laser Iridium Premium and informed the dealer. HCA fluid reservoir was empty. Dealer diagnosed internal leak in the HCA causing clutch contamination. Photos showed green fluid on undercarriage. Repair estimate exceeds $6900. Same Multi-Point Inspection that diagnosed the internal leak marked fluid leaks and fluids as Passed. Report still recommended spark plug replacement despite being told they were just replaced. Sudden loss of propulsion on public freeway with a passenger present, followed by complete loss of driveability due to internal leak of the same recalled HCA component, created a clear safety risk. Vehicle became undriveable and required towing. Prior "good to go" release left the vehicle on the road with an unresolved issue involving the recalled component.

NHTSA ID

11754127

Incident

Jun 15, 2026

My 2017 Kia Niro exhibits a dangerous low-speed engine surging hazard matching Safety Recall SC276. An authorized Kia dealership technician inspected the vehicle under RO #6115244 and formally documented 'seeping fluid residue' inside the clutch actuator housing. However, the dealership and Kia Corporate are refusing to honor the recall remedy and have released the car at a $0.00 balance while explicitly stating in writing that the vehicle is 'not safe to drive.' I am requesting federal intervention for safety campaign non-compliance.

NHTSA ID

11753205

Incident

Jun 19, 2026

I am submitting this complaint regarding a repeat failure of the Active Air Flap System on my 2017 Kia Niro, which I believe raises a broader safety and reliability concern. On XXX, my vehicle displayed a check engine light and “Check Active Air Flap System” warning. An authorized Kia dealer, Huffines Kia Corinth in Texas, diagnosed the issue and replaced the active air flap assembly (listed on the repair order as “FLAP ASSY–ACTIVE AIR”) at approximately 87,638 miles. At around 105,000 miles, the same warning and check engine light have returned, indicating that the Active Air Flap System is again malfunctioning despite the prior repair and part replacement. This suggests either repeated component failure or an underlying design or control issue that was not resolved. Owners of Kia Niro and related Hyundai/Kia models frequently report similar Active Air Flap System warnings and related diagnostic codes, and Kia has issued technical guidance addressing inspection, cleaning, and software behavior for this system. Although these issues may not yet be the subject of a formal recall, the pattern of repeated failures across multiple vehicles points to a systemic problem in a component tied to engine cooling and efficiency, which can reasonably affect safety, emissions, and vehicle reliability. I am asking NHTSA to review Kia’s handling of Active Air Flap System failures on the Niro and related models, including repeat failures after dealer repair, and to consider whether this issue warrants further investigation or recall/extended coverage action. Vehicle: 2017 Kia Niro Approximate mileage at initial repair: 87,638 Approximate mileage at repeat failure: 105,000 Location of repair: Huffines Kia Corinth[XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ID

11751394

Incident

Jul 18, 2026

Kia Dealership (DCH Kia of Temecula) Repair order 237695 shows Recall SC276 was 'passed' via inspection on October 16, 2025. However, the Hydraulic Clutch Actuator has now suffered the exact fluid leak the recall warned about, destroying the slave cylinder. The dealership is refusing to honor the safety recall, leaving an active fire hazard unaddressed.

NHTSA ID

11745143

Incident

Jun 10, 2026

On or around March 20, 2026, my 2017 Kia Niro Hybrid experienced a complete failure of the high-voltage hybrid battery system, rendering the vehicle undriveable. The vehicle was towed to Kia of South Austin. As of the date of this complaint (74 days later), no diagnosis has been provided, no parts have been ordered with trackable confirmation, and no repair timeline has been given. Kia Techline corporate engineers are reportedly involved but have provided no resolution. A sudden high-voltage battery failure in a hybrid vehicle raises potential safety concerns I believe warrant NHTSA's attention, particularly given the extended inability to diagnose or repair the system.

NHTSA ID

11741447

Incident

Mar 20, 2026

The vehicle experienced a dangerous driving failure due to a hydraulic clutch actuator system issue and was towed to Kia Delray. The authorized dealership has officially diagnosed the issue as a "brake/clutch fluid leak" (attached diagnostic estimate), which is exactly the hazardous condition outlined under Safety Recall 23V534 (SC276). However, the dealer refuses to perform the free recall repair remedy, claiming that the recall campaign was technically marked as completed after a previous interim fuse replacement. They are demanding $5,642.21 out-of-pocket and threatening to charge $75/day storage fees starting Monday morning. I am seeking immediate federal regulatory intervention as this vehicle has a well-documented fire and safety hazard that the manufacturer refuses to cure.

NHTSA ID

11741038

Incident

May 27, 2026

The Hydraulic Clutch Actuator (HCA) and the Under Hood Wiring Harness have failed due to internal fluid contamination and corrosion. Yes available for inspection. The vehicle experienced a sudden loss of motive power while driving. Per Safety Recall SC276, this component failure creates an electrical short and internal corrosion that poses a significant fire risk and potential for a sudden stall at high speeds, endangering the driver and other motorists. YES. Rusty Wallace Kia of alcoa confirmed the failure on 04/27/2026. They diagnosed the vehicle with DTCs P17EE and U1010. They provided a repair quote (RO XXX) for $9,431.48 to replace the corroded HCA and harness. YES. The vehicle was inspected by an authorized Kia dealer (Rusty Wallace Kia of alcoa ). They are refusing to perform the Recall SC276 mandated repair, claiming it was "already completed" with a fuse swap in Jan 2024, even though the safety defect has now manifested as a full component failure. Yes. The HEV warning light and Check Engine light appeared. Symptoms include "Check Hybrid System" messages and the vehicle failing to engage the engine clutch. These symptoms appeared recently at approximately 107,000 miles. Then when i checked the car it vanished, no error on dashboard ,so i took the car back and was driving error showed up at 109k miles again They asked to repair the vehicle and the repair is not in my budget and i told them that its the recall related issue and they are denying and saying recall was done and they dont open recall again and I found in the document they provided they just did the fuse replacement not HCA unit and The fuse swap did help with the hca corrosion and its not in drivable state and it becae a fire hazard. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ID

11734200

Incident

Mar 24, 2026

The contact owns a 2017 Kia Niro. The contact stated that while driving approximately 60 MPH, there was smoke coming from the rear of the vehicle. The message, "Turn Off the Vehicle and Stop" was displayed, and the transmission failure warning light was illuminated. The contact pulled over and turned off the vehicle. Once the vehicle was turned off, the smoke dissipated. The vehicle was towed to the dealer, who diagnosed that there were holes in the engine, power steering, and there was an engine oil leak. The engine, transmission, and battery were replaced. However, 2 months later, the contact attempted to start the vehicle; however, the vehicle failed to start. The vehicle was scheduled to be towed to another dealer, Buster Miles Kia (1401 S Quintard Ave, Anniston, AL 36201). The vehicle was not diagnosed or repaired. The manufacturer was informed of the failure, and it was determined that the repair was not covered under warranty or recall. The failure mileage was approximately 50,500.

NHTSA ID

11731378

Incident

Feb 20, 2026

Mileage

50,500 mi

I am making a complaint in reference to my 2017 Kia Niro. On or about June 2025 I attempted to open my back driver side door and the handle broke off the car in my hand. We had this replaced at our cost. Since this repair, the back passenger door handle has done the same thing. I have notified KIA headquarters of this and they say they cannot help with this. I am concerned of the safety concerns with the inability to access the back seat quickly in case of emergency because this is where my grandchildren ride. I saw there was a bulletin that when one handle breaks, all door handles with the exception of the drivers door, must be replaced at the same time. I notified the Kia dealership of this and they denied it and told me they had no indication this was required and advised me to take it to my nearest Kia dealership. (3 hour drive).

NHTSA ID

11731185

Incident

Jun 5, 2025

The contact owns a 2017 Kia Niro. The contact stated that while driving 60 MPH on the highway, the vehicle jolted and shook abnormally. The electrical system warning light illuminated, and the vehicle lost partial power. The engine and hybrid warning lights were illuminated. The vehicle was coasted off the roadway to a gas station. The vehicle was towed to the local dealer, where it was diagnosed with a blown high-voltage fuse. The vehicle was repaired with a higher voltage fuse. The manufacturer was contacted and opened a case. The approximate failure mileage was 101,000. The VIN was not available.

NHTSA ID

11729706

Incident

Mar 24, 2026

Mileage

101,000 mi

-Car was leaking or burning coolant causing engine to overheat. -Car was diagnosed with: Exhaust heat exchanger is leaking coolant and needs to be replaced. After costly repair, car continued to leak coolant and overheated. -Car was taken back to the dealership and diagnosed with: Engine Assembly - Long Block - Replace | Engine long block needs replacement due to coolant in the oil. This was at a certified Kia Dealership. No insurance reps or police were involved. An engine light has come on a couple of times over the years that was interpreted to mean replacing the gas cap. After replacing the gas cap, the engine light didn't come back on. My safety was impacted as a person living in a cold, rural state to have a sudden mechanical failure where I couldn't run the heat and had to stop the car immediately.

NHTSA ID

11725337

Incident

Jan 5, 2026

The contact owns a 2017 Kia Niro. The contact stated that while driving at an undisclosed speed, the message "Check Hybrid System" was displayed. The vehicle was towed to the dealer, where it was diagnosed, and determined that the hydraulic clutch actuator and power assembly had failed. The dealer related the failure to Kia Safety Recall Campaign Number: SC163 (Hydraulic Clutch Actuator (HCA) Inspection, Repair or Replacement). The vehicle was repaired; however, the failure recurred. The vehicle was taken back to the dealer, where the part was replaced a second time; however, the failure persisted. The contact stated that while attempting to drive out of a parking space, the vehicle stalled and became undrivable. The vehicle was towed to Executive Kia (1164 N Colony Rd, Wallingford, CT 06492), where it was diagnosed and determined that the HCA needed to be replaced. The contact stated that the HCA failure had caused a hole in the bottom of the vehicle. The vehicle was not repaired. The contact stated that the recall repair failed to correct the failure. The manufacturer was notified of the failure, and the case was escalated to a case manager, who informed the contact that the case would fall under Goodwill assistance. The failure mileage was unknown.

NHTSA ID

11724729

Incident

Aug 16, 2024

The push-button locks (the plastic button that covers the electronic components) on the exterior of the driver's door and passenger's door fell off. The problem was confirmed by the Kia dealership, and attempting to push the buttons back on did not work (the buttons promptly fell back off). There was no warning that the buttons were loose before they fell off. The dealership stated that the only solution would be to replace the entire door handle.

NHTSA ID

11722498

Incident

Mar 1, 2025

I previously had major issues and recall 23V534000 fixed on my 2017 Kia Niro. I had issues again and took it to the local Kia dealership in Wichita, KS. They found a leak in a seal causing fluid to leak on to the clutch actuator. The service tech indicated it is related to the recall. I have spoken with Kia customer service escalations on multiple occasions. Originally they stated it was related to the recall. When I spoke when them today, on the phone they said all the parts that are affected are what were changed out previously. When they called back, they changed the story and said it is not related and they would not pay for it to be fixed, even though they previously said it was the exact thing related to the recall. When I emailed and asked for it in writing as to why it was denied, she changed the reasoning. It was nothing the same that she had told me on the phone. This is a safety issue that should be fixed by the manufacturer and they are refusing to fix it and telling me I have to pay over $5000 to fix it. Completely unacceptable.

NHTSA ID

11722316

Incident

Feb 2, 2026

Power sterring went out - MDPS. Car has less than 50,000 miles. This is apparently happening to many of this model & a recall was done on a very small number of vehicles for the same issue. The recall should be expanded. This is very unsafe.

NHTSA ID

11713559

Incident

Jan 26, 2026

When I was driving, a propulsion system warning went off. Then a malfunction in the vehicle’s powertrain/propulsion system lit up on the GPS screen. Shortly afterward, the engine began smoking, and a loud popping sound occurred simultaneously. The vehicle then experienced a sudden loss of propulsion, requiring me to pull over immediately to avoid a hazardous situation. An authorized Kia dealer subsequently diagnosed a blown head gasket with internal coolant intrusion, confirming an internal powertrain failure consistent with propulsion system malfunction, and the vehicle became inoperable. The vehicle was inspected in October and the loss-of-propulsion failure occurred in December.

NHTSA ID

11709453

Incident

Dec 5, 2024

The contact owns a 2017 Kia Niro. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. The contact used a personal code reader and retrieved a fault code related to the evaporative emissions. The contact replaced the gas cap. The contact stated that the failure persisted. The vehicle was then taken to an independent mechanic, who diagnosed the vehicle with internal failure. The independent mechanic provided the contact with the Manufacturer's Service Action Number: SA395. The contact was informed that the failure might be related to the evaporative emissions system. The vehicle was not repaired. The contact stated that the failure persisted. The manufacturer was made aware of the failure and referred the contact to the NHSTA Hotline for assistance. The approximate failure mileage was 135,000.

NHTSA ID

11708835

Incident

Jul 5, 2025

Mileage

135,000 mi

Failed/leaking coolant heat exchanger which is integrated into the rear catalytic converter assembly. This seems to be a well-known issue with 2017-2020 Kia Niros. Leaks cause overheating of the engine or no heat in the vehicle and potential blown head gaskets. This issue has been confirmed by an independent service center. Car itself gave no messages or warnings regarding the leak.

NHTSA ID

11708090

Incident

Dec 19, 2025

The contact owns a 2017 Kia Niro. The contact stated that while operating the vehicle, the message "Engine Overheated - Turn Engine Off" was displayed with white smoke coming from the exhaust system. Upon inspection, it was discovered that the coolant level was extremely low. The contact stated that coolant was added to the reservoir; however, hours later the coolant level was low again. The vehicle was towed to the local mechanic, who diagnosed the vehicle and determined that the head gasket was blown and that the engine needed to be replaced. The vehicle was not repaired. The manufacturer and local dealer were not notified of the failure. The failure mileage was 112,000.

NHTSA ID

11704438

Incident

Dec 1, 2025

Mileage

112,000 mi

The heat exchanger (exhaust heat recovery system) on my 2017 Kia Niro has been diagnosed by an authorized Kia dealership as leaking coolant. The failed component can be available for inspection upon request. This failure poses a serious safety risk. The heat exchanger is part of the vehicle’s cooling system, and when it leaks, the engine can rapidly lose coolant while driving. This can lead to sudden overheating, reduced power, or potential engine shutdown in traffic. A driver may not receive immediate warning, and if the vehicle overheats unexpectedly at highway speeds, it can put both the occupants and surrounding drivers at risk of a collision. Coolant leaking into the exhaust system can also create steam and white smoke that may impair visibility for the driver or other vehicles. The problem has been confirmed by a Kia dealership, which inspected the vehicle and provided a repair estimate of over $3,500 for heat exchanger replacement. The vehicle has not been inspected by the police or insurance representatives. In my case, there were no warning lamps or messages prior to the diagnosis. The vehicle did not illuminate a check-engine light related to the failure or coolant warning, meaning the failure could easily occur without the driver’s knowledge until the engine overheats or loses power while on the road. This lack of warning significantly increases the safety risk. Given the number of owners reporting identical heat-exchanger failures, the high repair cost, and the potential for sudden overheating or power loss, this appears to be a widespread safety-related defect that warrants investigation.

NHTSA ID

11701883

Incident

Nov 28, 2025

The push buttons that lock/unlock the car in the outer front door handles fell out within two weeks of each other (passenger door and driver door). There was no sign of them being loose before falling out. There was no event that would cause them to fall out. Without the buttons, the lock circuitry is exposed. Kia dealership has seen the broken handles but unable to reinsert the buttons.

NHTSA ID

11695144

Incident

Aug 15, 2025