Kia bulletin TSB_ELE298
What it saysThis bulletin provides information regarding a poor EV battery charging concern on some 2023MY Niro EV (SG2 EV) vehicles produced from January 4, 2022 through March 29, 2023, when charging using a Level 1 or Level 2… NHTSA’s full summary ↓
Kia filed this with NHTSA as a service bulletin dated Sep 18, 2023, received Oct 1, 2023, about the fuel/propulsion system. It names 1 model year (2023). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationWhat it applies to, as the document itself states it — the build window in the manufacturer’s own words, read by machine from the PDF NHTSA serves. The build date is on the certification label in the driver’s door jamb; the dealer settles a borderline vehicle by its VIN.
TECHNICAL SERVICE BULLETIN: EV BATTERY POOR/NO CHARGING CONCERN ICCU REPLACEMENT - This bulletin provides information regarding a poor EV battery charging concern on some 2023MY Niro EV (SG2 EV) vehicles produced from January 4, 2022 through March 29, 2023, when charging using a Level 1 or Level 2 charger; however, the concern is not present when using a DC charger. In some cases, the vehicle may exhibit a "Check electric vehicle system", and/or "Stop vehicle and check power supply" message in the instrument cluster display, and/or MIL 'ON' with DTC(s) described below. The Integrated Charging Control Unit (ICCU) performs charging functions for the high voltage and the auxiliary 12V batteries, and depending on the DTC(s) stored, the ICCU may need to be replaced.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| TSB_ELE298 | Service bulletin | Sep 18, 2023 | 10242579 | PDF, 421 KB |
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
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Model years it names
Source: as the manufacturer filed themA vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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What owners reported
Source: NHTSA complaint databaseOwners of the 1 model year this bulletin names have filed 65 complaints with NHTSA since 2015. 31 of them name Electrical System, Fuel/Propulsion System — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.
Check electric vehicle system warning light indicator illuminates and car stops driving on highway! A/C and defrost won't work properly and when turned on causes the above warning light and malfunction. Car will not charge at "fast" charging stations and will leave you stranded on highway.
2023 Kia Niro · Electrical System · filed with NHTSA Jun 15, 2026 · ODI 11744166
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.
More bulletins about the fuel/propulsion system
Source: same model, same component group3 other manufacturer communications filed against the Kia Niro under the same component group (fuel/propulsion system), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| SC338 | Emissions | Sep 12, 2025 | TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: BMS S/W LOGIC IMPROVEMENT FOR DTC P1BB2 (SC338) - This bulletin has been r… |
| SA512 | Service bulletin | Mar 3, 2025 | TECHNICAL SERVICE BULLETIN: SERVICE ACTION: INVERTER COOLANT/DEBRIS FLUSHING/REPLACEMENT FOR CLUSTER MESSAGE “REFILL INVERTER COOLANT”… |
| SC323 | Service campaign | Oct 31, 2024 | TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: VCMC LOGIC IMPROVEMENT (SC323) - This bulletin provides information to improve the s… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Kia, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Kia TSB_ELE298 a recall?
No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.
Is the TSB_ELE298 repair free?
Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way. Every Kia warranty extension on file lists the ones Kia has filed.
Which vehicles does TSB_ELE298 cover?
The manufacturer filed it against 1 model year: 2023 Kia Niro. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone. The document itself sets the build window: 2023MY Niro EV (SG2 EV): built 4 Jan 2022 – 29 Mar 2023; Niro EV (SG2 EV): built 4 Jan 2022 – 29 Mar 2023 — the build date is on the certification label in the driver’s door jamb.