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Service bulletins for the 2024 Kia Carnival

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.

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

By type

By component

By trouble code

Bulletins, newest first
PI2501_OWNR2025-03-25. Other. SEATS. PRODUCT IMPROVEMENT CAMPAIGN: OWNER NOTIFICATION (PI2501) - This document is the owner notification advising that Kia conducting an important Product Improvement Campaign to install covers onto the 2nd row seat rails in all 2022-2024 MY Kia Carnival vehicles and certain 2025 MY Carnival vehicles.
PI2501_QA2025-03-25. Other. SEATS. PRODUCT IMPROVEMENT CAMPAIGN: QUESTION AND ANSWER (PI2501) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Product Improvement Campaign PI2501.
PI2501_DPSM2025-03-25. Other. SEATS. PRODUCT IMPROVEMENT CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (PI2501) - This document is the announcement to the dealer Parts and Service managers advising that Kia is conducting an important Product Improvement Campaign to install covers onto the 2nd row seat rails in all 2022-2024 MY Kia Carnival vehicles and certain 2025 MY Carnival vehicles manufactured from January 4, 2021 through March 31, 2025.
PI2501_DP2025-03-25. Other. SEATS. PRODUCT IMPROVEMENT CAMPAIGN: DEALER PRINCIPAL MEMO (PI2501) - This document is the announcement to the dealer principals advising that Kia is conducting an important Product Improvement Campaign to install covers onto the 2nd row seat rails in all 2022-2024 MY Kia Carnival vehicles and certain 2025 MY Carnival vehicles manufactured from January 4, 2021 through March 31, 2025.
SC320_TSB2024-10-23. Emissions. FUEL/PROPULSION SYSTEM. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: EGR VALVE ASSEMBLY REPLACEMENT (SC320) - This bulletin provides information to replace the Exhaust Gas Recirculation (EGR) Valve Assembly on certain 2024MY Kia vehicles listed in the table below. Kia has become aware that the EGR Valve Assembly in the subject vehicles may not have been manufactured to Kia’s specifications. This condition may cause the vehicle to release air pollutants which exceed Federal and California standards. As a result, the subject vehicles may exhibit an illumination of Malfunction Indicator Lamp (MIL) with DTC(s) P040500, P064200 and/or P065200.
SC320_STKR2024-09-25. Emissions. ENGINE. SC320_STKR: VOLUNTARY EMISSIONS SERVICE CAMPAIGN COMPLETION LABEL/STICKER
SC320_QA2024-09-25. Emissions. ENGINE. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: QUESTION AND ANSWER (SC320) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Emissions Service Campaign (SC320).
SC320_POC2024-09-25. Emissions. ENGINE. SC320_POC: PROOF OF CORRECTION CARD
SC320_OWNR_KA42024-09-25. Emissions. ENGINE. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC320) - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign regarding the Exhaust Gas Recirculation (EGR) valve assembly on certain 2024 MY Carnival vehicles. Kia has become aware that the subject vehicles may have been produced with an EGR valve assembly that was not manufactured to Kia’s specifications. Dealers will replace the EGR valve assembly with a new one.
SC320_DPSM2024-09-25. Emissions. ENGINE. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (SC320) - This document is the announcement to the dealer Parts and Service managers advising that Kia is conducting a Voluntary Emissions Service Campaign regarding the Exhaust Gas Recirculation (EGR) valve assembly on certain 2024 MY Carnival, 2024 MY Sportage, 2024 MY Niro Hybrid (HEV), and 2024 MY Niro Plug-in Hybrid (PHEV) vehicles. Kia has become aware that the subject vehicles may have been produced with an EGR valve assembly that was not manufactured to Kia’s specifications. Dealers will replace the EGR valve assembly with a new one.
SC320_DP2024-09-25. Emissions. ENGINE. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO (SC320) - This document is the announcement to the dealer principals advising that Kia is conducting a Voluntary Emissions Service Campaign regarding the Exhaust Gas Recirculation (EGR) valve assembly on certain 2024 MY Carnival, 2024 MY Sportage, 2024 MY Niro Hybrid (HEV), and 2024 MY Niro Plug-in Hybrid (PHEV) vehicles. Kia has become aware that the subject vehicles may have been produced with an EGR valve assembly that was not manufactured to Kia’s specifications. Dealers will replace the EGR valve assembly with a new one.
TSB_TRA046_R42024-06-04. Service bulletin. POWER TRAIN. This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced.
SC290_TSB2024-05-15. Emissions. ENGINE; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: LAMBDA-III 3.5L GDI ENGINE DTC P00B7 ECM LOGIC IMPROVEMENT (SC290) - This bulletin provides the procedure to update the software logic of the Engine Control Module (ECM) system on some 2022-2024MY Carnival (KA4) vehicles produced from January 4, 2021 through November 6, 2023. The subject vehicles may have engine calibrations that were not optimized for emissions standards under certain specific conditions, which may cause the vehicle to release air pollution which exceed Federal and California standards. As a result, the subject vehicles may exhibit an illumination of Malfunction Indicator Lamp (MIL) with DTC P00B7.
SC290_OWNR2024-05-15. Emissions. ELECTRICAL SYSTEM; ENGINE. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC290) - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions logic in the Electronic Control Module (ECM) to ensure compliance with emissions regulations.
SC290_QA2024-05-09. Emissions. ELECTRICAL SYSTEM. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: QUESTION AND ANSWER - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Emissions Service Campaign SC290.
SC290_STKR2024-05-09. Emissions. ELECTRICAL SYSTEM. SC290_STKR: VOLUNTARY EMISSIONS SERVICE CAMPAIGN COMPLETION LABEL/STICKER
SC290_POC2024-05-09. Emissions. ELECTRICAL SYSTEM. SC290_POC: PROOF OF CORRECTION CARD
SC290_DPSM2024-05-09. Emissions. ELECTRICAL SYSTEM. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PARTS & SERVICE MANAGER MEMO (SC290) - This document is the announcement to the dealer Parts and Service Managers that Kia is conducting a Voluntary Emissions Service Campaign on certain 2022-2024 MY Kia Carnival vehicles equipped with Lambda 3.5L engines manufactured from January 4, 2021 to November 6, 2023 to improve the emissions logic in the Electronic Control Module (ECM) to ensure compliance with emissions regulations.
SC290_DP2024-05-09. Emissions. ELECTRICAL SYSTEM. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO (SC290) - This document is the announcement to the dealer principals that Kia is conducting g a Voluntary Emissions Service Campaign on certain 2022-2024 MY Kia Carnival vehicles equipped with Lambda 3.5L engines manufactured from January 4, 2021 to November 6, 2023 to improve the emissions logic in the Electronic Control Module (ECM) to ensure compliance with emissions regulations.
TSB_ELE3232024-05-06. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: PSM/IMS UNIT REPLACEMENT (SA555) - This bulletin provides information regarding a 12V battery parasitic draw concern on certain 2024MY Carnival (KA4) vehicles produced from August 28, 2023 through September 7, 2023. In these vehicles, the battery may discharge slowly over time while the vehicle is parked, potentially resulting in a no-start condition due to the power seat module (PSM) / integrated memory seat (IMS) unit, which was assembled with an incorrect internal ceramic capacitor by the supplier.
TSB_FUE062_R22024-04-03. Service bulletin. VEHICLE SPEED CONTROL; ENGINE AND ENGINE COOLING. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: ECM LOGIC UPDATE FOR DTC P2118 AND THROTTLE BODY FREEZING (SA514) - 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 update the software logic of the Engine Control Module (ECM) system on some 2022-2024MY Carnival (KA4) vehicles produced from January 4, 2021 through November 6, 2023, which may exhibit an MIL "ON" with DTC P2118. The throttle body plate may freeze after a cold soak in very cold temperatures, possibly causing the vehicle to go into "limp-home" mode. Once the vehicle is warmed up, the throttle body performs normally.
TSB_ELE303_R22024-03-02. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: AVN 5.0 WIDE NON-RESPONSIVE RADIO ICON (AM, FM, SXM) - 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 update the software on 5th Generation AVN wide on certain 2020-2024MY Kia vehicles (refer to model list on page 3) to remedy a 'non-responsive' or 'inoperative' radio (FM, AM, SXM, etc. ) concern. The affected AVN unit on the vehicles may not respond when pressing the 'RADIO' hard key/button on the AVN unit or when selecting the 'RADIO' icon on the AVN menu screen.
PI2301A_OWNR2023-11-03. Service bulletin. SEATS; STRUCTURE. PRODUCT IMPROVEMENT CAMPAIGN: OWNER NOTIFICATION - This document is the owner notification advising that Kia is conducting a Product Improvement Campaign to install steel reinforcement plates on the second-row seat outer rails in certain 2022-2024 MY Kia Carnival vehicles equipped with sliding and removable second-row seats (excluding SX-Prestige equipped with the second-row lounge seats). Customers receiving this letter have already had this product improvement campaign performed. Since then, there have been additional improvements to the mounting bolts used for the installation of the steel reinforcement plates. Kia is requesting that customers contact an authorized Kia dealer to replace the four (4) subject mounting bolts with improved ones.
PI2301_TSB_R22023-11-03. Service bulletin. STRUCTURE; SEATS. PRODUCT IMPROVEMENT CAMPAIGN: INSTALLATION OF STEEL REINFORCEMENT PLATES FOR 2ND ROW SEAT OUTER RAILS (PI2301) - 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 install steel reinforcement plates on the second-row seat outer rails in certain 2022-2024MY Carnival (KA4) vehicles (excluding SX-Prestige with the second-row lounge seats) produced from January 4, 2021 through August 21, 2023. This campaign is to reinforce the mounting points of the 2nd-row seat to the floor and minimize potential seat rail detachment, should a certain rare crash event occur.
PI2301_TSB_R12023-10-01. Service bulletin. SEATS; STRUCTURE. PRODUCT IMPROVEMENT CAMPAIGN: INSTALLATION OF STEEL REINFORCEMENT PLATES FOR 2ND ROW SEAT OUTER RAILS (PI2301) - PI2301 TEMPORARILY ON HOLD PENDING UPDATED PARTS.

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