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Service bulletin TSB_CLI055

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 id10249179
Published by NHTSA2024-02-02
Manufacturer's numberTSB_CLI055
Manufacturer's date2024-01-18
NHTSA componentVISIBILITY; ELECTRICAL SYSTEM

NHTSA's summary

TECHNICAL SERVICE BULLETIN: DATC HEATER OPERATION LOGIC IMPROVEMENT - This bulletin provides information to upgrade the air condition (AIRCON) software logic on certain 2020-2023MY Telluride (ON) vehicles equipped with Dual Air Temperature Control (DATC), produced from January 9, 2019 through June 6, 2023. The affected vehicles may exhibit temporarily reduced heater performance in cold climates, especially during prolonged idle operation or coasting.

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, Glass, wipers and mirrors

Vehicles listed
KIA TELLURIDE2020, 2021, 2022, 2023

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
23V2980002023-04-26. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
22V3440002022-05-17. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
21V5770002021-07-28. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
20V4360002020-07-28. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; EXTERIOR LIGHTING:BRAKE LIGHTS; ELECTRICAL SYSTEM:WIRING

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.
WTY049_REIMB2026-09-28. Warranty extension. WARRANTY EXTENSION CAMPAIGN: REIMBURSEMENT FORM (WTY049) - This document is a Reimbursement Request form that was mailed with the customer letter advising them to submit the form if they had paid for repairs for this same matter prior to the warranty extension campaign program launch.
WTY049_OWNR2026-09-28. Warranty extension. WARRANTY EXTENSION CAMPAIGN: OWNER NOTIFICATION (WTY049) - This document is the owner notification advising that Kia is extending the New Vehicle Limited Warranty coverage to owners for specific repairs related to the front sunroof wind deflector on certain 2020-2022 MY Telluride vehicles manufactured from January 9, 2019 through July 27, 2022. For these specific model & model years, Kia will extend the warranty for a condition where the customer is unable to open/close the front sunroof and/or the sunroof wind deflector does not operate or function properly from 5 years / 60,000 miles to 15 years / 150,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
WTY049_QA2026-09-28. Warranty extension. WARRANTY EXTENSION CAMPAIGN: QUESTION AND ANSWER (WTY049) – This document is the Question and Answer Guide containing the most frequently asked questions regarding Warranty Extension Campaign WTY049.
WTY049_DPSM2026-09-28. Warranty extension. WARRANTY EXTENSION CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (WTY049) - This document is the announcement to dealer Parts and Service managers advising that Kia is extending the New Vehicle Limited Warranty coverage to owners for specific repairs related to the front sunroof wind deflector on certain 2020-2022 MY Telluride vehicles manufactured from January 9, 2019 through July 27, 2022. For these specific model & model years, Kia will extend the warranty for a condition where the customer is unable to open/close the front sunroof and/or the sunroof wind deflector does not operate or function properly from 5 years / 60,000 miles to 15 years / 150,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
WTY049_DP2026-09-28. Warranty extension. WARRANTY EXTENSION CAMPAIGN: DEALER PRINCIPAL MEMO (WTY049) - This document is the announcement to the dealer principals advising that Kia is extending the New Vehicle Limited Warranty coverage to owners for specific repairs related to the front sunroof wind deflector on certain 2020-2022 MY Telluride vehicles manufactured from January 9, 2019 through July 27, 2022. For these specific model & model years, Kia will extend the warranty for a condition where the customer is unable to open/close the front sunroof and/or the sunroof wind deflector does not operate or function properly from 5 years / 60,000 miles to 15 years / 150,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
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.