2021 Kia Niro Electrical system Problems
- Complaints
- 2about this part
- Share
- 22%of 9 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the electrical system of the 2021 Kia Niro, 22% of the 9 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“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 to complete the fix for the recall. they claim they are awaiting approval from kia corporate & NHTSA to add to the technical bulletin. But their is no timeframe they have or when this additional part will be available. …”
NHTSA complaint #11570590, filed 2024-02Related service bulletins
- 11036628Aug 28, 2026TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR – ELECTRICAL A/C COMPRESSOR - This bulletin has been revised to include additional information. New/revised sections of this bulletin…
- 11033933Jun 15, 2026TECHNICAL SERVICE BULLETIN: PRODUCT IMPROVEMENT CAMPAIGN: BMS BATTERY DIAGNOSTIC LOGIC IMPROVEMENT (PI2603) - This bulletin provides information regarding a Battery Management…
- 11033217May 28, 2026TECHNICAL SERVICE BULLETIN: INFOTAINMENT SYSTEM SOFTWARE UPDATE USING UPDATE.KIA.COM - This bulletin provides information and service procedures for updating the infotainment…
- 11031906Apr 14, 2026TECHNICAL SERVICE BULLETIN: INFOTAINMENT SOFTWARE UPDATE PROCEDURE - This bulletin provides information on the process for downloading infotainment software updates and preparing…
- 11015973Mar 20, 2025TECHNICAL SERVICE BULLETIN: SERVICE ACTION: KIA CONNECT MODEM RESET (SA611) - This bulletin outlines the procedure for resetting the modem in certain 2016-2025MY Kia vehicles…
- 11012029Dec 19, 2024TECHNICAL SERVICE BULLETIN: DISPLAY AUDIO 2.0V/AVN5W SOFTWARE UPDATE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are…
- 11011765Dec 5, 2024TECHNICAL SERVICE BULLETIN: AVN 5.0 WIDE DEALER MODE FACTORY RESET - This bulletin provides the procedure to perform the ‘Dealer Mode Factory Reset’ on multiple 2020-2021MY…
- 11010698Nov 15, 2024TECHNICAL SERVICE BULLETIN: AVN 5.0 WIDE NON-RESPONSIVE RADIO ICON (AM, FM, SXM) - This bulletin has been revised to include additional information. New/revised sections of this…
- 11005368Jul 25, 2024TECHNICAL SERVICE BULLETIN: DISPLAY AUDIO 2.0V/AVN5W SOFTWARE UPDATE - This bulletin provides information to update the software on Display Audio 2.0 (D2V) and 5th Generation AVN…
- 10250517Feb 9, 2024TECHNICAL SERVICE BULLETIN: AVN 5.0 WIDE NON-RESPONSIVE RADIO ICON (AM, FM, SXM) - This bulletin has been revised to include additional information. New/revised sections of this…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 3 | 18% |
| 2024 | 3 | 30% |
| 2023 | 14 | 32% |
| 2022 | 7 | 23% |
| 2021 | 2 | 22% |
| 2020 | 8 | 21% |
| 2019 | 13 | 23% |
| 2018 | 18 | 30% |
| 2017 | 23 | 28% |
Other parts of the 2021 Kia Niro
3 complaintsEngine
2 complaintsOther or unknown
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsVehicle speed control
1 complaints
← All problems reported for the 2021 Kia Niro
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology