WenmarOpen by Wenmar Pro

Service bulletin TSB_ELE308

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 bulletin
NHTSA id10243926
Published by NHTSA2023-11-03
Manufacturer's numberTSB_ELE308
Manufacturer's date2023-10-05
NHTSA componentELECTRICAL SYSTEM; VISIBILITY; EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO (TOUCH)SCREEN/MONITOR/UNIT

NHTSA's summary

TECHNICAL SERVICE BULLETIN: SERVICE ACTION: REAR HVAC OPERATION INSPECTION AND REPLACEMENT (SA544) - This bulletin provides information to inspect the rear heater control operation on certain 2024MY Telluride (ON) vehicles produced from June 13, 2023 through July 24, 2023, which may exhibit abnormal communication with the AVN head unit, causing the touchscreen controls to be inoperative when attempting to adjust the heating ventilation air conditioning (HVAC) settings. It is possible that during assembly, the affected vehicle may have a rear Heater & A/C Control Unit installed with the incorrect software.

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

Electrical system, Equipment and accessories, Glass, wipers and mirrors

Vehicles listed
KIA TELLURIDE2024

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

Recalls for the same vehicles and component
20263272026-07-03. Electrical
20243232024-06-06. Electrical

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_ELE328_R12026-09-30. Service bulletin. TECHNICAL SERVICE BULLETIN: CLUSTER SOFTWARE LOGIC IMPROVEMENT FOR LOWER THAN ACTUAL FUEL LEVEL INDICATION - 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 software on the instrument cluster ‘CLU’ on some 2023-2025MY Telluride (ON) vehicles equipped with a 12.3” in. TFT display, produced from August 31, 2022 through December 17, 2025, which may intermittently show a lower fuel level than what is actually remaining in the vehicle upon starting the engine after refueling.
TSB_ELE4262026-08-27. Service bulletin. TECHNICAL SERVICE BULLETIN: AVN GEN 5.0 WIDE SOFTWARE UPDATE - This bulletin provides information on the Audio Video Navigation (AVN) system software update for certain vehicles equipped with AVN5W and Navigation System listed in the table below. Affected vehicles may overestimate travel times during route calculation.
TSB_ELE4222026-06-03. Service bulletin. 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).
SC357_TSB2026-03-02. Service bulletin. TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: ECU EMISSIONS SOFTWARE LOGIC IMPROVEMENT (SC357) - This bulletin provides information to upgrade the Engine Control Unit (ECU) system software to improve the emissions-related logic on 2020-2025MY Telluride (ON) vehicles equipped with the Lambda II 3.8L GDI engine, produced from January 9, 2019 through October 27, 2025. 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 pollutants which exceed Federal and California standards.
SC357_OWNR2026-02-26. Emissions. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC357) - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions software logic in the Electronic Control Module (ECM) for 2020-2025 MY Telluride vehicles to ensure compliance with emissions regulations.
SC357_STKR2026-02-12. Emissions. SC357_STKR: VOLUNTARY EMISSIONS SERVICE CAMPAIGN COMPLETION LABEL/STICKER
SC357_POC2026-02-12. Emissions. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: SC357_POC: PROOF OF CORRECTION CARD
SC357_QA2026-02-12. Emissions. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: QUESTION AND ANSWER (SC357) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Emissions Service Campaign SC357.
SC357_DPSM2026-02-12. Emissions. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (SC357) - This document is the announcement to the dealer Parts and Service managers advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions software logic in the Electronic Control Module (ECM) to ensure compliance with emissions regulations for 2020-2025 MY Telluride vehicles manufactured from January 9, 2019 through October 27, 2025.
SC357_DP2026-02-12. Emissions. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO (SC357) - This document is the announcement to the dealer principals advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions software logic in the Electronic Control Module (ECM) to ensure compliance with emissions regulations for 2020-2025 MY Telluride vehicles manufactured from January 9, 2019 through October 27, 2025.