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Service campaign SC353_QA

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 campaign
NHTSA id11025944
Published by NHTSA2025-12-02
Manufacturer's numberSC353_QA
Manufacturer's date2025-11-11
Campaign id or software versionSC353
NHTSA componentENGINE

NHTSA's summary

VOLUNTARY SERVICE CAMPAIGN: QUESTION AND ANSWER (SC353) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Service Campaign SC353.

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

Engine

Vehicles listed
KIA SORENTO2025

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
25V5480002025-08-25. ENGINE AND ENGINE COOLING:CRITICAL FASTENERS

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
TSB_ENG2642026-04-01. Service bulletin. TECHNICAL SERVICE BULLETIN: CUSTOMER ACTION: ECU LOGIC IMPROVEMENT FOR DTC P2B59F0 (CA2516) - This bulletin provides information to upgrade the Engine Control Unit (ECU) software on certain 2024–2025MY vehicles equipped with 2.5 GDI or 2.5 T-GDI Theta III engines listed in the table below. Affected vehicles may experience an illuminated malfunction indicator light (MIL) accompanied with DTC P2B59F0 which can set while driving. There are no drivability issues related to this DTC.
SC353_DP2025-12-02. Service campaign. VOLUNTARY SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO (SC353) - This document is the announcement to the dealer principals advising that Kia is conducting a Voluntary Service Campaign on 11 units of 2025 MY Sorento vehicles, manufactured from December 18, 2024 through February 24, 2025, to replace the engine with a new one.
SC353_DPSM2025-12-02. Service campaign. VOLUNTARY SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO () - This document is the announcement to the dealer Parts and Service managers advising that Kia is conducting a Voluntary Service Campaign on 11 units of 2025 MY Sorento vehicles, manufactured from December 18, 2024 through February 24, 2025, to replace the engine with a new one.
SC353_OWNR2025-12-02. Service campaign. VOLUNTARY SERVICE CAMPAIGN: OWNER NOTIFICATION (SC353) - This document is the owner notification advising that Kia is conducting a Voluntary Service Campaign on certain 2025 MY Sorento vehicles, manufactured from December 18, 2024 through February 24, 2025, to replace the engine with a new one.
SC353_TSB2025-12-02. Service bulletin. TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: ENGINE REPLACEMENT FOR COOLANT LEAK (SC353) - This bulletin provides information to address an engine coolant leak concern on certain 2025MY Sorento (MQ4a) vehicles equipped with a 2.5L Theta III T-GDI engine produced from December 18, 2024 through February 24, 2025 (see the list of 11 affected VINs below). The engine block in the subject vehicles may have a fracture, which can result in a coolant leak. Over time, continuing to operate the vehicle with this condition may result in an ‘Engine Overheated’ warning message displayed on the instrument cluster and cause damage to the vehicle’s engine.