Kia Carnival Service Bulletins
152 manufacturer communications on file.
- August 25, 2026•Document ID: 11036711Warranty Program/ExtensionELECTRICAL SYSTEM
- Mfr Comm. #:
- WTY048_OWNR
- Date Added:
- September 2, 2026
- Manufacturer:
- KIA
SummaryWARRANTY EXTENSION CAMPAIGN: OWNER NOTIFICATION (WTY048) - This document is the owner notification advising that Kia is extending the New Vehicle Limited Warranty coverage, to all owners, for repairs related to the horn assembly in certain 2022-2024 MY Carnival vehicles from 5 years / 60,000 miles to 10 years / 120,000 miles, whichever comes first, starting from the date the vehicle was first put into service. This warranty extension is to address a horn sound malfunction condition free of charge at no cost to the customer.
Associated Products (3)Associated Documents - August 21, 2026•Document ID: 11036631Warranty Program/ExtensionELECTRICAL SYSTEM
- Mfr Comm. #:
- WTY048_DP
- Date Added:
- September 2, 2026
- Manufacturer:
- KIA
SummaryWARRANTY EXTENSION CAMPAIGN: DEALER PRINCIPAL MEMO (WTY048) - This document is the announcement to the dealer principals advising that Kia is s extending the New Vehicle Limited Warranty coverage, to all owners, for repairs related to the horn assembly for certain 2022-2024 MY Carnival vehicles manufactured from January 4, 2021 through July 4, 2024, from 5 years / 60,000 miles to 10 years / 120,000 miles, whichever comes first, from the date the vehicle was first put into service. This warranty extension is to address a horn sound malfunction condition.
Associated Products (3)Associated Documents - August 20, 2026•Document ID: 11036722Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- WTY048_TSB
- Date Added:
- September 2, 2026
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: HORN ASSEMBLY INSPECTION/REPLACEMENT (WTY048) - This bulletin provides information associated with the Warranty Extension Program (WTY048) to inspect and, if necessary, replace both the high-pitch and low-pitch horn assemblies on certain 2022-2024MY Carnival (KA4) vehicles produced from January 4, 2021 through July 4, 2024. The affected vehicles may experience a distorted or inoperative horn sound caused by excessive moisture and dust exposure over time. The warranty coverage for repairs related to the horn assembly has been extended from 5 years / 60,000 miles to 10 years / 120,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
Associated Products (3)Associated Documents - August 20, 2026•Document ID: 11036721Warranty Program/ExtensionELECTRICAL SYSTEM
- Mfr Comm. #:
- WTY048_QA
- Date Added:
- September 2, 2026
- Manufacturer:
- KIA
SummaryWARRANTY EXTENSION CAMPAIGN: QUESTION AND ANSWER (WTY048) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Warranty Extension Campaign WTY048.
Associated Products (3)Associated Documents - August 20, 2026•Document ID: 11036701Warranty Program/ExtensionELECTRICAL SYSTEM
- Mfr Comm. #:
- WTY048_DPSM
- Date Added:
- September 2, 2026
- Manufacturer:
- KIA
SummaryWARRANTY EXTENSION CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (WTY048) - 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 repairs related to the horn assembly for certain 2022-2024 MY Carnival vehicles manufactured from January 4, 2021 through July 4, 2024, from 5 years / 60,000 miles to 10 years / 120,000 miles, whichever comes first, from the date the vehicle was first put into service. This warranty extension is to address a horn sound malfunction condition.
Associated Products (3)Associated Documents - June 19, 2026•Document ID: 11034103OtherSTRUCTURE:BODY
- Mfr Comm. #:
- PSD_REMINDER2_105
- Date Added:
- June 26, 2026
- Manufacturer:
- KIA
SummaryIMPORTANT REMINDER: OWNER NOTIFICATION: CARNIVAL POWER SLIDING DOOR FEATURE (KA4PSD2 FLIGHT#105) - This document is the owner notification advising Kia's ongoing commitment to providing vehicle owners with a superior ownership experience. We would like to remind vehicle owners about the proper use of the power sliding door and its automatic stop and reversal feature in the Kia Carnival. The power sliding door feature is designed to enhance accessibility and ease of use, but it’s important to understand its functions and limitations to ensure safe and reliable operation.
Associated Products (5)Associated Documents - June 18, 2026•Document ID: 11033980Over The AirELECTRICAL SYSTEM
- Mfr Comm. #:
- OTA_ELE413_NOTES_R2
- Date Added:
- June 18, 2026
- Manufacturer:
- KIA
SummaryRELEASE NOTES: OVER-THE-AIR: SOFTWARE UPDATE FOR DATA CONNECTIVITY (ELE413 Revision 2) - This Over-the-Air (OTA) software update is designed to update the Data Connectivity Unit (DCU) logic of certain 2025 - 2026MY Carnival, EV9, K5 and Sorento vehicles. This update is designed to improve the vehicle’s network communication performance.
Associated Products (8)Associated Documents - June 16, 2026•Document ID: 11033919Service Bulletin/Repair InstructionsSEATS
- Mfr Comm. #:
- PI2602_TSB
- Date Added:
- June 17, 2026
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: PRODUCT IMPROVEMENT CAMPAIGN: 2ND ROW SEAT (LH & RH) FOLDING TENSION SPRING REPLACEMENT (PI2602) - This bulletin provides information to enhance the second-row seatback recliner mechanism to dampen the motion of the manual seatback angle adjustment during the operation on certain 2022-2026MY Carnival (KA4) produced from 1/4/2021 through 4/14/2026 and certain 2025-2026MY Carnival Hybrid (KA4 HEV) vehicles produced from 5/21/2024 through 4/8/2026. To aid in the manual adjustment of the outboard second-row seatback in the subject vehicles, the seats are equipped with recliner springs that work in conjunction with a user-controlled seatback angle lever or walk-in lever. This seatback motion is controlled by the user to achieve their desired seat position. To improve usability, Kia has developed a newly designed second-row seatback recliner spring that will dampen the motion of the manual second-row seatback angle adjustment. (Note: Only the second-row outboard seats are affected. The second-row center seat, if equipped, is excluded from this campaign.)
Associated Products (5)Associated Documents - June 12, 2026•Document ID: 11033834OtherSEATS
- Mfr Comm. #:
- PI2602_OWNR
- Date Added:
- June 16, 2026
- Manufacturer:
- KIA
SummaryPRODUCT IMPROVEMENT CAMPAIGN: OWNER NOTIFICATION (PI2602) - This document is the owner notification advising that Kia is conducting a Product Improvement Campaign on certain 2022-2026 MY Carnival and certain 2025-2026 MY Carnival Hybrid (HEV) vehicles, equipped with manual (folding) second-row seats, to enhance the second-row seatback recliner mechanism to dampen the motion of the manual seatback angle adjustment during operation.
Associated Products (5)Associated Documents - June 10, 2026•Document ID: 11033835OtherSEATS
- Mfr Comm. #:
- PI2602_QA
- Date Added:
- June 16, 2026
- Manufacturer:
- KIA
SummaryPRODUCT IMPROVEMENT CAMPAIGN: QUESTION AND ANSWER (PI2602) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Product Improvement Campaign PI2602.
Associated Products (5)Associated Documents - June 9, 2026•Document ID: 11033829OtherSEATS
- Mfr Comm. #:
- PI2602_DPSM
- Date Added:
- June 15, 2026
- Manufacturer:
- KIA
SummaryPRODUCT IMPROVEMENT CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (PI2602) - This document is the announcement to the dealer Parts and Service managers advising that Kia is conducting a Product Improvement Campaign to enhance the second-row seatback recliner mechanism to dampen the motion of the manual seatback angle adjustment during operation in certain 2022-2026 MY Carnival vehicles manufactured from January 4, 2021 through April 14, 2026 and certain 2025-2026 MY Carnival Hybrid (HEV) vehicles manufactured from May 21, 2024 through April 8, 2026.
Associated Products (5)Associated Documents - June 9, 2026•Document ID: 11033827OtherSEATS
- Mfr Comm. #:
- PI2602_DP
- Date Added:
- June 15, 2026
- Manufacturer:
- KIA
SummaryPRODUCT IMPROVEMENT CAMPAIGN: DEALER PRINCIPAL MEMO (PI2602) - This document is the announcement to the dealer principals advising that Kia is conducting a Product Improvement Campaign to enhance the second-row seatback recliner mechanism to dampen the motion of the manual seatback angle adjustment during operation in certain 2022-2026 MY Carnival vehicles manufactured from January 4, 2021 through April 14, 2026 and certain 2025-2026 MY Carnival Hybrid (HEV) vehicles manufactured from May 21, 2024 through April 8, 2026.
Associated Products (5)Associated Documents - May 28, 2026•Document ID: 11033217Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- TSB_ELE422
- Date Added:
- June 3, 2026
- Manufacturer:
- KIA
SummaryTECHNICAL 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).
Associated Products (70)Associated Documents - April 24, 2026•Document ID: 11031940Over The AirELECTRICAL SYSTEM
- Mfr Comm. #:
- OTA_ELE413_NOTES_R1
- Date Added:
- May 1, 2026
- Manufacturer:
- KIA
SummaryRELEASE NOTES: OVER-THE-AIR: SOFTWARE UPDATE FOR DATA CONNECTIVITY (ELE413 Revision 1) - This Over-the-Air (OTA) software update is designed to update the Data Connectivity Unit (DCU) logic of certain 2025 - 2026MY Carnival, 2025 - 2026MY K5 and 2025 - 2026MY Sorento vehicles. This update is designed to improve the vehicle’s network communication performance.
Associated Products (6)Associated Documents - April 17, 2026•Document ID: 11031890Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- SC363_TSB
- Date Added:
- May 1, 2026
- Manufacturer:
- KIA
SummaryTECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: OIL LEVEL PLUG (OLP) INSPECTION, AND OLP GASKET AND/OR ATF FILLER BOLT REPLACEMENT OR A/T REPLACEMENT (SC363) - This bulletin provides information to inspect the oil level plug and automatic transmission fluid (ATF) for signs of leakage and, if necessary, replace the oil level plug gasket and/or ATF filler bolt, or the 8-speed Automatic Transaxle (A/T) assembly on certain 2025-2026 Kia model vehicles listed in the table below. Also, dealers are to ensure the oil level plug is tightened to Kia’s factory specifications upon the completion of the inspection and necessary repair. The oil level plug in the subject vehicles may not have been installed properly during assembly. The oil level plug may be loose or detached from the 8-speed Automatic Transaxle (A/T) which may result in leaking automatic transmission fluid (ATF). A transaxle which is operated with excessively low ATF may become damaged over time.
Associated Products (5)Associated Documents - April 17, 2026•Document ID: 11031885Service CampaignPOWER TRAIN
- Mfr Comm. #:
- SC363_OWNR_KA4
- Date Added:
- May 1, 2026
- Manufacturer:
- KIA
SummaryVOLUNTARY SERVICE CAMPAIGN: OWNER NOTIFICATION (SC363) - This document is the owner notification advising that Kia is conducting a Voluntary Service Campaign on certain 2025-2026 MY Carnival vehicles to inspect the oil level plug and automatic transmission fluid (ATF) for signs of leakage and, if necessary, replace the oil level plug gasket and ATF filler bolt and ensure the oil level plug is tightened to Kia’s factory specifications. If necessary, the 8-speed Automatic Transaxle (A/T) may require replacement based on the inspection results.
Associated Products (2)Associated Documents - April 17, 2026•Document ID: 11031853OtherSTRUCTURE:BODY
- Mfr Comm. #:
- PSD_REMINDER2_104
- Date Added:
- May 1, 2026
- Manufacturer:
- KIA
SummaryIMPORTANT REMINDER: OWNER NOTIFICATION (KA4PSD2) - This document is the owner notification advising Kia's ongoing commitment to providing vehicle owners with a superior ownership experience. We would like to remind vehicle owners about the proper use of the power sliding door and its automatic stop and reversal feature in the Kia Carnival. The power sliding door feature is designed to enhance accessibility and ease of use, but it’s important to understand its functions and limitations to ensure safe and reliable operation.
Associated Products (5)Associated Documents - April 15, 2026•Document ID: 11031856Service CampaignPOWER TRAIN
- Mfr Comm. #:
- SC363_DPSM
- Date Added:
- May 1, 2026
- Manufacturer:
- KIA
SummaryVOLUNTARY SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (SC363) - This document is the announcement to the dealer Parts and Service managers advising that Kia is conducting a Voluntary Service Campaign to inspect the oil level plug and automatic transmission fluid (ATF) for signs of leakage and, if necessary, replace the oil level plug gasket and ATF filler bolt and ensure the oil level plug is tightened to Kia’s factory specifications. Depending on the results of the inspection, the 8-speed Automatic Transaxle (A/T) may require replacement in 12 units of 2025-2026 MY K5 vehicles manufactured from April 7, 2025 through October 1, 2025, 5 units of 2026 MY Sportage vehicles manufactured from June 11, 2025 through August 19, 2025, and 184 units of 2025-2026 MY Carnival vehicles manufactured from February 20, 2025 through September 17, 2025.
Associated Products (5)Associated Documents - April 15, 2026•Document ID: 11031855Service CampaignPOWER TRAIN
- Mfr Comm. #:
- SC363_DP
- Date Added:
- May 1, 2026
- Manufacturer:
- KIA
SummaryVOLUNTARY SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO (SC363) - This document is the announcement to the dealer principals advising that Kia is conducting a Voluntary Service Campaign to inspect the oil level plug and automatic transmission fluid (ATF) for signs of leakage and, if necessary, replace the oil level plug gasket and ATF filler bolt and ensure the oil level plug is tightened to Kia’s factory specifications. Depending on the results of the inspection, the 8-speed Automatic Transaxle (A/T) may require replacement in 12 units of 2025-2026 MY K5 vehicles manufactured from April 7, 2025 through October 1, 2025, 5 units of 2026 MY Sportage vehicles manufactured from June 11, 2025 through August 19, 2025, and 184 units of 2025-2026 MY Carnival vehicles manufactured from February 20, 2025 through September 17, 2025.
Associated Products (5)Associated Documents - April 14, 2026•Document ID: 11031906Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- TSB_ELE417
- Date Added:
- May 1, 2026
- Manufacturer:
- KIA
SummaryTECHNICAL 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.
Associated Products (45)Associated Documents