Carnival

49 service bulletins filed with NHTSA for this model year

• May 28, 2026ELECTRICAL SYSTEMTSB_ELE422

  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).

• Apr 24, 2026ELECTRICAL SYSTEMOTA_ELE413_NOTES_R1

  RELEASE 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.

• Apr 17, 2026POWER TRAINSC363_TSB

  TECHNICAL 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

• Apr 17, 2026POWER TRAINSC363_OWNR_KA4

  VOLUNTARY 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 requi

• Apr 17, 2026STRUCTURE:BODYPSD_REMINDER2_104

  IMPORTANT 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

• Apr 15, 2026POWER TRAINSC363_DPSM

  VOLUNTARY 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

• Apr 15, 2026POWER TRAINSC363_DP

  VOLUNTARY 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)

• Apr 14, 2026ELECTRICAL SYSTEMTSB_ELE417

  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.

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Source: NHTSA manufacturer communications (technical service bulletins).