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Service bulletins for the 2025 Kia EV6

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.

38 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
PI2606_TSB2026-09-18. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: This bulletin provides information to upgrade the 12-volt battery (“12V battery”) diagnostic software for certain 2025MY EV6 (CVa) vehicles produced from December 17, 2024 through November 5, 2025. The subject vehicles are equipped with a 12V battery which requires periodic inspection and maintenance. To provide enhanced monitoring of the 12V battery’s performance, the software upgrade will periodically conduct 12V battery performance tests and provide drivers with advance notice of sub-optimal 12V battery performance.
PI2606_OWNR2026-09-18. Other. ELECTRICAL SYSTEM. PRODUCT IMPROVEMENT CAMPAIGN: OWNER NOTIFICATION (PI2606) - This document is the owner notification advising that Kia is conducting an important Product Improvement Campaign on certain 2025 MY EV6 vehicles, manufactured from December 17, 2024 through November 5, 2025, to upgrade the 12-volt battery (“12V battery”) diagnostic software logic.
PI2606_QA2026-09-18. Other. ELECTRICAL SYSTEM. PRODUCT IMPROVEMENT CAMPAIGN: QUESTION AND ANSWER (PI2606) – This document is the Question and Answer Guide containing the most frequently asked questions regarding Product Improvement Campaign PI2606.
PI2606_DPSM2026-09-18. Other. ELECTRICAL SYSTEM. PRODUCT IMPROVEMENT CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (PI2606) - This document is the announcement to dealer Parts and Service managers advising that Kia is conducting an important Product Improvement Campaign on certain 2025 MY EV6 vehicles, manufactured from December 17, 2024 through November 5, 2025, to upgrade the 12-volt battery (“12V battery”) diagnostic software logic.
PI2606_DP2026-09-18. Other. ELECTRICAL SYSTEM. PRODUCT IMPROVEMENT CAMPAIGN: DEALER PRINCIPAL MEMO (PI2606) - This document is the announcement to the dealer principals advising that Kia is conducting an important Product Improvement Campaign on certain 2025 MY EV6 vehicles, manufactured from December 17, 2024 through November 5, 2025, to upgrade the 12-volt battery (“12V battery”) diagnostic software logic.
PI2605_TSB2026-09-03. Other. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. TECHNICAL SERVICE BULLETIN: PRODUCT IMPROVEMENT CAMPAIGN: BMU LOGIC IMPROVEMENT (PI2605) - This bulletin provides information regarding a Battery Management System (BMS) software update for certain 2025-2026 EV6 (CV1 eGT, CVa) vehicles as listed in the table below. To improve the diagnostic monitoring of the high-voltage battery in the subject vehicles, Kia has developed enhanced BMS software to improve the detection logic and system response in cases of moisture intrusion into the high-voltage battery.
TSB_CLI049_R22026-09-02. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY/WIPER. 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.
PI2605_QA2026-08-29. Other. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. PRODUCT IMPROVEMENT CAMPAIGN: QUESTION AND ANSWER (PI2605) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Product Improvement Campaign PI2605.
PI2605_OWNR2026-08-29. Other. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. PRODUCT IMPROVEMENT CAMPAIGN: OWNER NOTIFICATION (PI2605) - This document is the owner notification advising that Kia is conducting a Product Improvement Campaign on certain 2025-2026 MY EV6 vehicles to upgrade the Battery Management System (BMS) diagnostic software logic. Our records indicate that you own or lease one of the potentially affected vehicles.
PI2605_DPSM2026-08-29. Other. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. PRODUCT IMPROVEMENT CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (PI2605) - This document is the announcement to the dealer Parts and Service managers advising that Kia is conducting a Product Improvement Campaign on certain 2025-2026 MY EV6 vehicles, manufactured from December 17, 2024 through May 29, 2026, to upgrade the Battery Management System (BMS) diagnostic software logic.
PI2605_DP2026-08-29. Other. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. PRODUCT IMPROVEMENT CAMPAIGN: DEALER PRINCIPAL MEMO (PI2605) - This document is the announcement to the dealer principals advising that Kia is conducting a Product Improvement Campaign on certain 2025-2026 MY EV6 vehicles, manufactured from December 17, 2024 through May 29, 2026, to upgrade the Battery Management System (BMS) diagnostic software logic.
TSB_ELE4222026-06-03. Service bulletin. ELECTRICAL SYSTEM. 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).
TSB_ELE4172026-05-01. Service bulletin. ELECTRICAL SYSTEM. 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.
TSB_ELE406_R12026-02-11. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: DCU OPERATIONSOFTWARE LOGIC IMPROVEMENT (SA635) - 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 to improve the Data Connectivity Unit (DCU) performance on all 2026MYSportage and Sportage HEV/PHEV and 2025MY EV6 vehicles equipped with Kia Connect Services. The affected vehicles may encounter the following issues: Remote Start/Climate Control function not working, Vehicle Status on the Kia Access App not updating. and/or Connected routing not functioning properly.
PS8042026-01-28. Other. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. TECHNICAL OPERATIONS: NACS VEICLE CHARGING ERROR W/ DTC P343B16 (PS804) - This Pitstop provides information regarding an Electric Vehicle ‘EV’ charging error accompanied by DTC P343B16 on certain 2025-2026MY EV6 (CVa) and 2026MY EV9 (MVa) vehicles equipped with Combined Charging System Combo 1 (“CCS1,” also known as SAE J1772 Combo) charging ports. When using the wrong CCS1 to North American Charging Standard ‘NACS’ adapter, proper electrical connections are not made between the charger to adapter and adapter to vehicle charging port, resulting in a charging error which can cause DTC P343B16 to set. Non-OEM adapters may not set the DTC P343B16.
TSB_ELE4102026-01-14. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: 3 WAY VALVE REPLACEMENT (CA2513) - This bulletin provides instructions for inspecting and replacing the High Voltage Battery Cooling System 3-Way Valve on certain 2025MY EV6 (CV1a) vehicles produced from August 21, 2024, through July 7, 2025, which may display an illuminated Malfunction Indicator Lamp (MIL) and Diagnostic Trouble Code (DTC) U112800 due to a voltage deviation within the 3-Way Valve. There are no drivability issues associated with this condition.
TSB_ELE4062025-12-24. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: DCU OPERATION SOFTWARE LOGIC IMPROVEMENT (SA635) - This bulletin provides information to improve the Data Connectivity Unit (DCU) performance on certain 2026MYSportage and 2025MY EV6 vehicles equipped with Kia Connect Services. The affected vehicles may encounter Remote Start/ Remote Climate Control function not working, Vehicle Status on the Kia Access App not updating, Connected navigation/routing not functioning properly.
TSB_ELE4092025-12-24. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: INTEGRATED CHARGE CONTROLLER UNIT REPLACEMENT (SA639) - This bulletin provides instructions for replacing the Integrated Charge Controller Unit (ICCU) on certain 2025 model year EV6 (CVa) and 2026 EV9 (MVa) vehicles produced between February 21, 2025, and September 18, 2025. Affected vehicles may exhibit Diagnostic Trouble Code (DTC) P2E9092 related to the Battery Charger “A” Internal Power Supply, resulting in an inability to charge under Level 1 or Level 2 conditions.
TSB_ELE4082025-12-23. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: DCU REPLACEMENT (SA638) - This bulletin provides information to replace faulty Data Connectivity Units (DCUs) on certain 2026MY Sportage and 2025MY EV6 vehicles that may cause modem data to be missing on the Connected Car Navigation Cockpit (ccNC) head unit, resulting in Kia Connect failing to activate.
SC343_TSB_R12025-12-01. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: PDC LOGIC IMPROVEMENT AND PRA REPLACEMENT FOR DTC PIB7700 (SC343) - 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 to upgrade the Powernet Domain Control ‘PDC’ system software on certain 2025MY EV6 (CV1a) vehicles produced from December 10, 2024 through June 24, 2025, built at a Kia assembly plant in the US. Due to a PDC software logic error in the subject vehicle, the pre-charge resistor may become damaged if the vehicle is abnormally turned ‘OFF’ (e.g. turned ‘OFF’ while the gear selection is in ‘Neutral’). If the pre-charge resistor becomes damaged, the vehicle may not go into ‘READY’ mode. Customers may experience the illumination of the service warning light, and the vehicle may set DTC P1B7700. If DTC P1B7700 is stored, technicians are to replace the PRA before upgrading the ‘PDC’ software.
OTA_SC3432025-10-16. Over-the-air update. ELECTRICAL SYSTEM. RELEASE NOTES: OVER-THE-AIR: SERVICE CAMPAIGN: SOFTWARE UPDATE FOR PRE-CHARGE RESISTOR (SC343) - This Over-the-Air (OTA) software update is designed to update the Power-net Domain Controller (PDC) logic of certain 2025 EV6 vehicles. Updates the Power-net Controller (PDC) with improved software to prevent damage to the pre-charge resistor when the vehicle is abnormally turned OFF (e.g., turned off while the gear selector is in Neutral.)
OTA_SC3432025-10-01. Over-the-air update. ELECTRICAL SYSTEM. RELEASE NOTES: OVER-THE-AIR: VOLUNTARY SERVICE CAMPAIGN: SOFTWARE UPDATE FOR WARNING LIGHT (SC343) - This Over-the-Air (OTA) software update is designed to update the Power-net Domain Controller (PDC) logic of certain 2025 EV6 vehicles. This update is designed to reduce the unintended display of the EV battery warning light.
OTA_ELE3962025-09-23. Over-the-air update. ELECTRICAL SYSTEM. RELEASE NOTES: OVER-THE-AIR: SOFTWARE UPDATE FOR PLUG AND CHARGE ENHANCEMENT - This Over-the-Air (OTA) software update is designed to update the Vehicle Charging Management System (VCMS) and Central Communication Unit (CCU) logic of certain 2025 EV6 vehicles. This update is designed to enable your vehicle to be Plug & Charge ready. Plug & Charge allows you to charge at compatible public charging stations without opening a mobile application or pulling out a credit card.
TSB_ELE3962025-09-23. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: PLUG AND CHARGE LOGIC IMPROVEMENT - This bulletin provides information to upgrade the Central Communication Unit ‘CCU’ and Power Transfer Communication Module ‘PCM’ system software on certain 2025MY EV6 (CVa) vehicles produced from January 7, 2025 through August 20, 2025, and 2026MY EV9 (MVa) vehicles produced from January 2, 2025 through September 3, 2025 built at a Kia assembly plant in the US, that have either failed the Over-The-Air (OTA) software upgrade or in cases where Kia Connect is not available to the customer. This update provides certain EV6 (CVa) and EV9 (MVa) with the Plug and Charge (PnC) feature that simplifies the process of charging electric vehicles (EVs) by automating authentication and payment. It allows drivers to simply plug their vehicle into a compatible charging station, and the charging process starts automatically without needing to use an app, card, or other form of authentication.
SC343_OWNR2025-07-09. Service campaign. ELECTRICAL SYSTEM. VOLUNTARY SERVICE CAMPAIGN: OWNER NOTIFICATION (SC343) - This document is the owner notification advising that Kia is conducting Voluntary Service Campaign to update the Power-net Domain Controller (PDC) with improved software to prevent damage to the pre-charge resistor in certain 2025 MY EV6 vehicles.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.