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Service bulletin TSB_ELE300_R1

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10242580
Published by NHTSA2023-10-01
Manufacturer's numberTSB_ELE300_R1
Manufacturer's date2023-09-18
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

TECHNICAL SERVICE BULLETIN: SERVICE ACTION: MOOD LAMP OPERATION LOGIC IMPROVEMENT (SA536) - 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 the procedure to upgrade the software logic of the interior Mood Lamp Module (MLM) system on some 2023MY Niro EV, P/HEV (SG2 P/HEV, EV) vehicles produced from April 14, 2023 through May 15, 2023 and 2023MY EV6 (CV) vehicles produced from April 18, 2023 through May 13, 2023, which may exhibit an inoperative mood lamp.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
KIA EV62023
KIA NIRO EV2023 (the catalog's model; the bulletin names a series or trim of it)
KIA NIRO PHEV2023 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
26V4310002026-07-02. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
25V0240002025-01-17. SEATS; ELECTRICAL SYSTEM:WIRING
24V8670002024-11-18. ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:MODULE:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY
24V2000002024-03-14. ELECTRICAL SYSTEM:12V/24V/48V BATTERY
23V2980002023-04-26. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
TSB_CLI049_R22026-09-02. Service bulletin. 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 Conditioning (A/C) compressor assembly on some 2011MY~ Optima Hybrid (TF HEV, JF HEV/PHEV), 2015MY~ Soul EV (PS EV), 2017MY~ Niro (DE HEV/PHEV/EV), 2022MY~ EV6 (CV), 2021MY~ Sorento (MQ4 HEV/PHEV), 2023MY~ Sportage (NQ5 HEV/PHEV), and 2023MY~ Niro (SG2 EV/HEV/PHEV) vehicles.
TSB_ELE4262026-08-27. Service bulletin. TECHNICAL SERVICE BULLETIN: AVN GEN 5.0 WIDE SOFTWARE UPDATE - This bulletin provides information on the Audio Video Navigation (AVN) system software update for certain vehicles equipped with AVN5W and Navigation System listed in the table below. Affected vehicles may overestimate travel times during route calculation.
TSB_ELE4222026-06-03. Service bulletin. 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 improve system performance, enhance existing features, and apply the latest operating software for supported vehicles (2021-2026MY All Models).
WTY044_QA2026-05-05. Warranty extension. WARRANTY EXTENSION CAMPAIGN: QUESTION AND ANSWER (WTY044) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Warranty Extension Campaign WTY044.
WTY044_TSB2026-05-01. Service bulletin. WARRANTY EXTENSION CAMPAIGN: TECHNICAL SERVICE BULLETIN: ICCU INSPECTION/REPLACEMENT (WTY044) - This bulletin provides information associated with the ‘Warranty Extension Program’ (WTY044) to inspect and, if necessary, replace the Integrated Charging Control Unit (ICCU) and/or the ICCU Fuse on 2022-2024MY EV6 (CV1) vehicles produced from November 17, 2021 through July 22, 2024. The affected vehicles may exhibit difficulty or inability to charge the subject vehicles using Level 1 or Level 2 AC charging and/or inability to use the Vehicle-to-Load (V2L) function, and/or display of the “Check electric vehicle system” warning message. The warranty coverage for repairs related to the ICCU with above symptoms will be extended from 10 years / 100,000 miles to 15 years / 180,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
WTY044_REIMB2026-05-01. Warranty extension. WARRANTY EXTENSION CAMPAIGN: REIMBURSEMENT FORM (WTY044) - This document is a Reimbursement Request form that was mailed with the customer letter advising them to submit the form if they had paid for repairs for this same matter prior to the warranty extension campaign program launch.
WTY044_OWNR2026-05-01. Warranty extension. WARRANTY EXTENSION CAMPAIGN: OWNER NOTIFICATION (WTY044) - This document is the owner notification advising that Kia is extending the New Vehicle Limited Warranty coverage to all owners for certain repairs related to the Integrated Charging Control Unit (ICCU) in 2022-2024 MY EV6 vehicles from 10 years / 100,000 miles to 15 years / 180,000 miles, whichever comes first, starting from the date the vehicle was first put into service. This warranty extension is to address concerns involving the ICCU, which may result in the difficulty or inability to charge your vehicle using Level 1 or Level 2 AC charging and/or inability to use the Vehicle-to-Load (V2L) function to supply AC electric power to external electronic products.
WTY044_DPSM2026-05-01. Warranty extension. WARRANTY EXTENSION CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (WTY044) - This document is the announcement to the dealer Parts and Service managers advising that Kia is extending the New Vehicle Limited Warranty coverage to all owners for certain repairs related to the Integrated Charging Control Unit (ICCU) in 2022-2024 MY EV6 vehicles manufactured from November 17, 2021 through July 22, 2024, from 10 years / 100,000 miles to 15 years / 180,000 miles, whichever comes first, starting from the date the vehicle was first put into service. This warranty extension is to address concerns involving the ICCU, which may result in the difficulty or inability to charge the subject vehicles using Level 1 or Level 2 AC charging and/or inability to use the Vehicle-to-Load (V2L) function to supply AC electric power to external electronic products.
WTY044_DP2026-05-01. Warranty extension. WARRANTY EXTENSION CAMPAIGN: DEALER PRINCIPAL MEMO (WTY044) - This document is the announcement to the dealer principals advising that Kia is extending the New Vehicle Limited Warranty coverage to all owners for certain repairs related to the Integrated Charging Control Unit (ICCU) in 2022-2024 MY EV6 vehicles manufactured from November 17, 2021 through July 22, 2024, from 10 years / 100,000 miles to 15 years / 180,000 miles, whichever comes first, starting from the date the vehicle was first put into service. This warranty extension is to address concerns involving the ICCU, which may result in the difficulty or inability to charge the subject vehicles using Level 1 or Level 2 AC charging and/or inability to use the Vehicle-to-Load (V2L) function to supply AC electric power to external electronic products.
TSB_ELE4172026-05-01. Service bulletin. 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 supported platforms; however, in‑vehicle installation procedures vary by head unit type.