2022 Kia Niro EV Problems: 5 Known Issues
2022 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated November 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2022 Kia Niro EV has 5 documented known issues, with 2 rated critical. The most serious are High-voltage battery safety plug develops high resistance, overheats and melts (fire and power-loss risk) ($0-$900 repair) and Integrated Electronic Brake (IEB) unit corrodes from road-salt water ingress, causing loss of brake boost ($0-$3,500 repair). Across all issues with published estimates, repair costs range from $200 to $3,500. DIY maintenance guides at au7o.io.
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All 5 Known Issues
NHTSA Recalls3 recalls
ELECTRICAL SYSTEM:PROPULSION SYSTEM:SHOCK PROTECTION
Kia America, Inc. (Kia) is recalling certain 2022 Niro EV vehicles. The high voltage battery safety plug may overheat and melt, which can cause a loss of drive power or fire.
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
Kia America, Inc. (Kia) is recalling certain 2020-2022 Niro EV vehicles. The circuit board for the rearview camera may become damaged and cause the rearview camera image not to display. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."
ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:FLUID/COOLANT
Kia America, Inc. (Kia) is recalling certain 2020 Niro EV vehicles. The Electric Power Control Unit (EPCU) may have been improperly sealed and may leak coolant internally.
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Frequently Asked Questions
What are the most common Kia Niro EV problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2022 Kia Niro EV has 5 documented issues. Documented issues include: High-voltage battery safety plug develops high resistance, overheats and melts (fire and power-loss risk), Integrated Electronic Brake (IEB) unit corrodes from road-salt water ingress, causing loss of brake boost, 12V auxiliary battery goes flat while parked, leaving the car completely dead and unable to power up. Of these, 2 are rated critical and should be addressed promptly.
Is the Kia Niro EV reliable?
The 2022 Kia Niro EV has 5 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 2 issues are rated critical: High-voltage battery safety plug develops high resistance, overheats and melts (fire and power-loss risk) and Integrated Electronic Brake (IEB) unit corrodes from road-salt water ingress, causing loss of brake boost. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Kia Niro EV problems?
Repair costs for known Kia Niro EV issues range from $0 to $3,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, High-voltage battery safety plug develops high resistance, overheats and melts (fire and power-loss risk), typically costs $0-$900 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2022 Kia Niro EV High-voltage battery safety plug develops high resistance, overheats and melts (fire and power-loss risk)?
On 2022 Niro EV vehicles built July 21 through December 2, 2021, a supplier deviation in the female-to-female terminal of the high-voltage battery service/safety plug lets the contact surfaces develop abnormally high electrical resistance. Under the current flow of driving or hig… Repairs typically run $0-$900. Severity: high.
What is the 2019-2022 Kia Niro EV Integrated Electronic Brake (IEB) unit corrodes from road-salt water ingress, causing loss of brake boost?
Kia service campaign SC321 covers 2019-2022 Niro EV vehicles produced December 5, 2018 through April 12, 2022 that were originally sold or are currently registered in one of 28 heavy road-salt states. Saltwater enters the Integrated Electronic Brake unit through the IEB fastening… Repairs typically run $0-$3,500. Severity: high.
What is the 2019-2022 Kia Niro EV 12V auxiliary battery goes flat while parked, leaving the car completely dead and unable to power up?
A persistent, widely reported complaint across first-generation (DE) 2019-2022 Niro EV vehicles: the 12V auxiliary battery discharges while the car sits, sometimes within days, leaving the vehicle unresponsive - no key-fob recognition, no push-button start, no dash. Owners report… Repairs typically run $200-$600. Severity: medium.
What is the 2020-2022 Kia Niro EV Rearview camera circuit board damaged by voltage surges - reversing image fails to display?
On 2020-2022 Niro EV vehicles equipped with the 10.25-inch touchscreen, voltage surges in the rearview camera power circuit progressively damage the camera's circuit board until the camera stops sending an image. With no rearview image on reverse the vehicle fails to comply with… Repairs typically run $0-$700. Severity: medium.
What is the 2019-2022 Kia Niro EV Severe DC fast-charge derating in cold weather - no navigation-based battery preconditioning on the first-generation car?
First-generation (DE) 2019-2022 Niro EV owners consistently report DC fast-charge rates collapsing well below the car's ~77-85 kW peak when the pack is cold. Owners document sessions settling in the 20-50 kW range at ambient temperatures near freezing even on 150 kW and 350 kW st… Repairs typically run $0-$0. Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.