2018 Kia Niro Phev problems, complaints & recalls
Most-reported problem areas: Power Train (4) · Vehicle Speed Control (2) · Suspension (1)
🧭 Reliability snapshot
Compared against other Kia Niro Phev model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (1)
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.
Service bulletins (52)
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
Electrical System 2025-03-20 · TSB_ELE378 · Service Bulletin/Repair Instructions
technical service bulletin: service action: kia connect modem reset (sa611) - this bulletin outlines the procedure for resetting the modem in certain 2016-2025my kia vehicles listed on page 3 that are equipped with kia connect services. the affected vehicles may encounter the following issues: remot
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.
Visibility:defroster/Defogger/Hvac System:compressor 2023-06-26 · TSB_CLI049_R1 · 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 partial repair of the air c
Showing the 6 most recent of 52 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-06-01 · Vehicle Speed Control“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 ine…”
2024-02-20 · Unknown Or Other“i received kia letter about the recall sc276 for hca issue around 1/15/24. i brought my 2018 kia niro phev to kia dealer in san jose. they inspected and concluded that the vehicle is safe with the recall sc276. however, they did not replace the fuse as stated in kia's recall instructions. ten days later, i was on the road, slowing down at the inter…”
2024-01-10 · Vehicle Speed Control“i was driving myself and two passengers on a highway at night in the rain. i was using the adaptive cruise control and was maintaining speed when i went through a puddle and i think the car hydroplaned a little. a warning sign flashed up on the dash that said something towards "deactivating cruise control" - i am not sure of the exact warning. i've…”
2024-01-02 · Engine“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 i…”
2023-11-16 · Power Train“the contact owns a 2018 kia niro. the contact received notification of nhtsa campaign number: 23v534000 (power train) however, the part to do the recall repair was not yet available. the contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. the dealer was made aware of the issue and confirmed that part…”
2023-10-31 · Power Train“the contact owns a 2018 kia niro. the contact received notification of nhtsa campaign number: 23v534000 (power train) however, the part to do the recall repair was unavailable. the contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. the manufacturer was made aware of the issue. the contact had not ex…”
2023-10-03 · Power Train“the contact owns a 2018 kia niro. the contact received notification of nhtsa campaign number: 23v534000 (power train) however, the part to do the recall repair was not yet available. an undisclosed dealer was contacted and confirmed that the part was not yet available. the contact stated that the manufacturer had exceeded a reasonable amount of tim…”
2020-01-16 · Service Brakes · 5,000 mi“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 notice…”
2020-01-07 · Structure:body · 24,000 mi“door handle cane off and vehicle sometimes can not be licked…”
2019-05-09 · Air Bags · 25,000 mi · 💥 crash“tl* the contact owned a 2018 kia niro plug-in hybrid. while driving at 30 mph and through an intersection, another vehicle ran their red light causing a collision. the air bags did not deploy. there were no injuries. a police report was failed. the contact's insurance deemed the vehicle totaled. the dealer was not contacted. the manufacturer was m…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.