2017 Kia Niro problems, complaints & recalls
Most-reported problem areas: Engine (16) · Power Train (15) · Fuel/Propulsion System (7)
🧭 Reliability snapshot
Compared against other Kia Niro model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
21 NHTSA complaints that reported an odometer reading.
Safety recalls (4)
Power Train:automatic Transmission:internal:clutches/Bands:actuators/Solenoids 2023-07-31 · campaign 23V534000 · 121,411 vehicles
Defect: Kia America, Inc. (Kia) is recalling certain 2017-2022 Niro and 2018-2022 Niro Plug-in Hybrid vehicles. Fluid may leak into the printed circuit board inside the hydraulic clutch actuator, which can result in an engine compartment fire.
Risk: A fire increases the risk of injury.
Fix: Dealers will inspect and replace the hydraulic clutch actuator as necessary and install a new fuse, free of charge. Owner notification letters were mailed December 29, 2023. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC276.
Hybrid Propulsion System 2022-11-11 · campaign 22V836000 · 27,030 vehicles
Defect: Kia Motors America (Kia) is recalling certain 2017-2018 Kia Niro hybrid electric vehicles previously recalled under recall 18V-666. The Main Relay within the Power Relay Assembly (PRA) may have inadequate connections between its contacts, causing increased electrical resistance, which can overheat the rear seats.
Risk: Overheated rear seats increase the risk of a fire.
Fix: Dealers will inspect the PRA and replace either the PRA or the Main Relay, as necessary, free of charge. Owner notification letters were mailed January 9, 2023. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC256. This recall supersedes NHTSA recall number 18V-666. Vehicles already repaired under the previous recall will need to have the new remedy completed.
Hybrid Propulsion System 2018-09-25 · campaign 18V666000 · 27,030 vehicles
Defect: Kia Motors America (Kia) is recalling certain 2017-2018 Kia Niro hybrid electric vehicles. The Main Relay within the Power Relay Assembly (PRA) may have inadequate connections between its contacts, causing increased electrical resistance.
Risk: The increased electrical resistance can overheat the rear seat which is above the PRA, increasing the risk of a fire.
Fix: Kia will notify owners, and dealers will inspect the Power Relay Assembly (PRA) for damage. If no damage is found, the main relay will be replaced. If damage is found, the PRA will be replaced. These repairs will be performed free of charge. The recall began November 23, 2018. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC168.
Hybrid Propulsion System 2018-04-20 · campaign 18V257000 · 27,029 vehicles
Defect: Kia Motors America (Kia) is recalling certain 2017 Kia Niro vehicles. The Hydraulic Clutch Actuator (HCA) inner oil seal may leak, allowing oil to accumulate in the cap area, possibly resulting in an electrical short.
Risk: An electrical short can increase the risk of a fire.
Fix: Kia will notify owners, and dealers will inspect the HCA caps for leaked oil and replace the HCA assembly if needed, or replace the HCA cap with additional sealant. These repairs will be performed free of charge. The recall is expected to begin June 15, 2018. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC163.
Service bulletins (82)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Visibility/Wiper 2026-08-28 · TSB_CLI049_R2 · Service Bulletin/Repair Instructions
technical service bulletin: partial repair – electrical a/c compressor - this bulletin has been revised to include additional information. new/revised sections of this bulletin are indicated by a black bar in the margin area. this bulletin provides information regarding the partial repair of the air
Back Over Prevention: Warnings 2025-12-09 · PS797 · Other
pitstop: technical operations: external damage to ultrasonic sensor: this pitstop provides information related to parking distance warning (pdw) alerts and repairs involving ultrasonic sensors. the pdw system alerts the driver while parking, by calculating distance based on the difference in signal
Power Train 2025-04-17 · TSB_TRA046_R5 · Service Bulletin/Repair Instructions
technical service bulletin: transmission fluid application guide - this bulletin has been revised to include additional information. new/revised sections of this bulletin are indicated by a black bar in the margin area. this bulletin provides information relating to the correct transmission fluid ty
Engine 2025-04-03 · TSB_ENG222_R8 · Service Bulletin/Repair Instructions
technical service bulletin: excessive oil consumption nu/gamma/theta/kappa engines - this bulletin has been revised to include additional information. new/revised sections of this bulletin are indicated by a black bar in the margin area. this bulletin provides information on diagnosing and/or repair
Engine 2025-02-28 · TSB_ENG222_R7 · Service Bulletin/Repair Instructions
technical service bulletin: excessive oil consumption nu/gamma/theta/kappa engines - this bulletin has been revised to include additional information. new/revised sections of this bulletin are indicated by a black bar in the margin area. this bulletin provides information on diagnosing and/or repair
Power Train 2024-05-16 · TSB_TRA046_R4 · Service Bulletin/Repair Instructions
this bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each kia model. a flush is required only when a transmission is replaced.
Showing the 6 most recent of 82 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-09-20 · Electrical System:12v/24v/48v Battery“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…”
2026-09-16 · Fuel/Propulsion System · 🔥 fire“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 …”
2026-09-14 · Power Train“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…”
2026-08-27 · Fuel/Propulsion System“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 pr…”
2026-08-01 · Service Brakes“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 rec…”
2026-07-28 · Power Train“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 …”
2026-07-19 · Unknown Or Other“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 …”
2026-06-18 · Engine“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 unaddre…”
2026-06-02 · Engine“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 …”
2026-05-30 · Service Brakes“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, th…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.