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Service bulletin TSB_ELE044_R2

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 id10200535
Published by NHTSA2021-08-25
Manufacturer's numberTSB_ELE044_R2
Manufacturer's date2021-08-19
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

TECHNICAL SERVICE BULLETIN: HIGH-VOLTAGE BATTERY ORDERING AND RETURN PROCEDURE - 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 outlines the ordering and return procedure for high-voltage Lithium-ion batteries equipped on EV/hybrid vehicles (hereafter referred to as "high-voltage batteries" or HVBs).

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 NIRO2017, 2018, 2019, 2020, 2021, 2022
KIA NIRO EV2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
KIA NIRO HYBRID2022 (the catalog's model; the bulletin names a series or trim of it)
KIA NIRO PHEV2018 (the catalog's model; the bulletin names a series or trim of it)
KIA NIRO PHEV2020 (the catalog's model; the bulletin names a series or trim of it)
KIA NIRO PHEV2022 (the catalog's model; the bulletin names a series or trim of it)
KIA NIRO PLUG-IN HYBRID2019 (the catalog's model; the bulletin names a series or trim of it)
KIA OPTIMA HYBRID2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it)
KIA OPTIMA PHEV2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it)
KIA SORENTO HYBRID2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
KIA SOUL EV2015, 2016, 2017, 2018, 2019 (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
25V6490002025-09-25. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR; ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
20243452024-06-14. Electrical
24V3580002024-05-21. ELECTRICAL SYSTEM:PROPULSION SYSTEM:SHOCK PROTECTION
23V7240002023-10-26. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL); ELECTRICAL SYSTEM:SOFTWARE
20232752023-05-08. Electrical
23V2180002023-03-29. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
20226892022-12-06. Electrical
22V8990002022-12-06. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:FLUID/COOLANT
20V3890002020-07-02. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL)
20185372018-09-28. Electrical

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
SC367_OWNR2026-09-19. Emissions. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC367) - This document is the owner notification advising that Kia is conducting an important Voluntary Emissions Service Campaign to improve the emissions software logic in the Electronic Control Module (ECM) to ensure compliance with emissions regulations for 2019-2020 MY Optima vehicles manufactured from May 21, 2018, through June 1, 2020, equipped with the 1.6L T-GDI engine.
SC367_TSB2026-09-19. Service bulletin. TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: This bulletin provides information to upgrade the Electronic Control Module ‘ECM’ system software for certain 2019-2020 MY Optima vehicles manufactured from May 21, 2018, through June 1, 2020, equipped with the 1.6L T-GDI engine to ensure compliance with emissions. Kia has become aware that the subject vehicles may have been produced with engine calibrations that can cause the vehicle to release air pollutants that exceed Federal and California standards. These standards were established to protect the public’s health and welfare from the dangers of air pollution.
SC367_STKR2026-09-19. Emissions. SC367_STKR: VOLUNTARY EMISSIONS SERVICE CAMPAIGN COMPLETION LABEL/STICKER
SC367_POC2026-09-19. Emissions. SC367_POC: PROOF OF CORRECTION CARD
SC367_QA2026-09-19. Emissions. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: QUESTION AND ANSWER (SC367) – This document is the Question and Answer Guide containing the most frequently asked questions regarding Voluntary Emissions Service Campaign SC367.
SC367_DPSM2026-09-18. Service campaign. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (SC367) - This document is the announcement to dealer Parts and Service managers advising that Kia is conducting an important Voluntary Emissions Service Campaign to improve the emissions software logic in the Electronic Control Module (ECM) to ensure compliance with emissions regulations for 2019-2020 MY Optima vehicles manufactured from May 21, 2018, through June 1, 2020, equipped with the 1.6L T-GDI engine.
SC367_DP2026-09-18. Emissions. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO (SC367) - This document is the announcement to the dealer principals advising that Kia is conducting an important Voluntary Emissions Service Campaign to improve the emissions software logic in the Electronic Control Module (ECM) to ensure compliance with emissions regulations for 2019-2020 MY Optima vehicles manufactured from May 21, 2018, through June 1, 2020, equipped with the 1.6L T-GDI engine.
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.
SC269_OWNR_4012026-07-21. Service campaign. VOLUNTARY SERVICE CAMPAIGN: OWNER RENOTIFICATION (SC269 FLIGHT #401) - This document is the owner renotification advising that Kia is conducting a Voluntary Service Campaign to inspect and, if necessary, replace the high-voltage fuse in 2013-2016 MY Optima Hybrid vehicles.
PI2603Y_TSB2026-07-18. Service bulletin. TECHNICAL SERVICE BULLETIN: BSA REPLACEMENT (PI2603Y) - This bulletin provides information related to the Technical Service Bulletin previously published under PI2603, titled “BMS Battery Diagnostic Logic Improvement.” If one or more of the Diagnostic Trouble Codes (DTCs) listed in the bulletin are present or stored after the Battery Management System (BMS) software upgrade has been performed per PI2603, follow the procedure outlined in this publication to replace the Battery System Assembly (BSA) on the applicable vehicle.