2021 Kia Niro problems, complaints & recalls
Most-reported problem areas: Power Train (3) · Visibility:sun/Moon Roof Assembly (1) · Visibility/Wiper (1)
🧭 Reliability snapshot
Compared against other Kia Niro 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 (53)
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
Fuel/Propulsion System 2026-06-15 · PI2603_TSB · Service Bulletin/Repair Instructions
technical service bulletin: product improvement campaign: bms battery diagnostic logic improvement (pi2603) - this bulletin provides information regarding a battery management system (bms) software update for certain 2020–2022my niro (de ev) vehicles produced from june 2, 2020, through november 8,
Electrical System 2026-05-28 · TSB_ELE422 · Service Bulletin/Repair Instructions
technical service bulletin: infotainment system software update using update.kia.com - this bulletin provides information and service procedures for updating the infotainment systems on applicable kia vehicles using the kia navigation updater available at update.kia.com. the software update may impr
Electrical System 2026-04-14 · TSB_ELE417 · Service Bulletin/Repair Instructions
technical service bulletin: infotainment software update procedure - this bulletin provides information on the process for downloading infotainment software updates and preparing usb for installation on applicable kia vehicles. the software downloads and usb preparation process is similar across all
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
Showing the 6 most recent of 53 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-04-13 · Unknown Or Other“i own a 2021 kia niro. the rear backup camera intermittently fails to operate. when shifting into reverse, the display screen will either go completely black or the camera will not activate at all. this issue occurs unpredictably and without warning. as a result, i am unable to see behind the vehicle when reversing, which creates a significant safe…”
2026-04-10 · Power Train“this is a hybrid vehicle. it has dual clutch transmission. since i have owned it, intermittently the clutch does not disengage completely. this causes the vehicle to try to pull ahead but my foot is on the brake. the vehicle does not stall. somehow it figures out it can't pull ahead and somehow fully releases. i have brought it to kia at least 3 ti…”
2026-03-20 · Power Train“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.…”
2024-07-10 · Vehicle Speed Control · 💥 crash“i was backing out of a tandem parking spot in a private garage and got too close to a pillar, and tried to pull forward into the spot. it felt like the car got snagged on the pillar, but while pulling forward slowly, the gas pedal snapped off and the car accelerated quickly and uncontrollably. i was able to avoid hitting other cars but drove straig…”
2024-02-07 · Power Train“i received important safety recall letter for nhtsa recall # 23v534. the hca & or fuse might need to be replaced . i brought the 2021 nero to my local kia dealership, eagle kia ,riverhead ny on january 18th. the dealership still has the vehicle & claims that a code came up when they did the diagnostics that requires a part that must be secured t…”
2023-11-17 · Electrical System“problem has not been remedied. what is my recourse? how long do i have to drive around worried about the car going on fire?…”
2023-10-18 · Unknown Or Other“vehicle is available for inspection upon request. hev light lit up on dashboard and a warning message was displayed alerting me to immediately pull over and turn off the vehicle. at the same time the vehicle was not responding and acceleration became troubling and with marked hesitation. after waiting several minutes i attemped to turn the vehicle …”
2022-09-15 · Visibility:sun/Moon Roof Assembly“while driving on a major highway, my sunroof suddenly exploded. luckily the screen was pulled shut otherwise i would have been covered in glass. i was able to drive to the next exit and park the vehicle to then get out and observe the damage. there was a gaping hole in the sunroof. i called a tow who brought me to a kia dealership. i explained…”
2021-07-04 · Visibility/Wiper“there is a silver strip of "trim" running completely across the dashboard just above the radio controls. it is so reflective that a glare occurs periodically throughout the day when the sun hits it. it's so bad that it blocks the left side mirror with the reflection and can even blind the driver. this needs to be addressed by kia. easy solution is …”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.