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Service bulletins for the 2021 Kia Telluride

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.

102 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
TSB_ENG2702026-09-30. Service bulletin. ENGINE. TECHNICAL SERVICE BULLETIN: EXCESSIVE ENGINE OIL CONSUMPTION: This bulletin provides information on diagnosing and/or repairing a 2020-2025MY Telluride (ON) vehicle's engine, which may exhibit a symptom of excessive oil consumption. Follow the flowchart on page 2 in this procedure to repair a vehicle exhibiting excessive oil consumption.
WTY045_TSB2026-06-18. Warranty extension. ENGINE. TECHNICAL SERVICE BULLETIN: WARRANTY EXTENSION CAMPAIGN: OIL FILTER HOUSING GASKET REPLACEMENT (WTY045) - This bulletin provides information regarding the ‘Warranty Extension Program (WTY045)’ for the inspection and, if necessary, replacement of the oil filter housing gasket on certain 2020–2025 MY Telluride (ON) vehicles produced from January 9, 2019, through June 12, 2025. Under this program, the New Vehicle Warranty coverage for this condition is extended from 5 years / 60,000 miles to 15 years / 180,000 miles, whichever occurs first, starting from the date the vehicle was first put into service. Affected vehicles may develop an engine oil leak from the oil filter housing gasket. During the extended warranty period, inspect and, if necessary, replace the oil filter housing gasket at no cost to the customer.
WTY045_REIMB2026-05-01. Warranty extension. ENGINE. WARRANTY EXTENSION CAMPAIGN: REIMBURSEMENT FORM (WTY045) - 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.
WTY045_OWNR2026-05-01. Warranty extension. ENGINE. WARRANTY EXTENSION CAMPAIGN: OWNER NOTIFICATION (WTY045) - This document is the owner notification advising that Kia is extending the New Vehicle Limited Warranty coverage, to all owners, for certain repairs related to an engine oil leak from the oil filter housing gasket in certain 2020-2025 MY Telluride vehicles from 5 years / 60,000 miles to 15 years / 180,000 miles, whichever comes first, starting from the date the vehicle was first put into service. This warranty extension is to address the oil filter housing gasket leaking condition at no cost to you during this extended warranty period.
WTY045_DPSM2026-05-01. Warranty extension. ENGINE. WARRANTY EXTENSION CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (WTY045) - 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 certain repairs related to an engine oil leak from the oil filter housing gasket in certain 2020-2025 MY Telluride vehicles manufactured from January 9, 2019 through June 12, 2025, from 5 years / 60,000 miles to 15 years / 180,000 miles, whichever comes first, starting from the date the vehicle was first put into service. This warranty extension is to address the oil filter housing gasket leaking condition.
WTY045_DP2026-05-01. Warranty extension. ENGINE. WARRANTY EXTENSION CAMPAIGN: DEALER PRINCIPAL MEMO (WTY045) - This document is the announcement to the dealer principals advising that Kia is extending the New Vehicle Limited Warranty coverage to all owners for certain repairs related to an engine oil leak from the oil filter housing gasket in certain 2020-2025 MY Telluride vehicles manufactured from January 9, 2019 through June 12, 2025, from 5 years / 60,000 miles to 15 years / 180,000 miles, whichever comes first, starting from the date the vehicle was first put into service. This warranty extension is to address the oil filter housing gasket leaking condition.
WTY045_QA2026-05-01. Warranty extension. ENGINE. WARRANTY EXTENSION CAMPAIGN: QUESTION AND ANSWER (WTY045) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Warranty Extension Campaign WTY045.
SC357_TSB2026-03-02. Service bulletin. ELECTRICAL SYSTEM; ENGINE. 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. ENGINE; ELECTRICAL SYSTEM. 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. ENGINE; ELECTRICAL SYSTEM. SC357_STKR: VOLUNTARY EMISSIONS SERVICE CAMPAIGN COMPLETION LABEL/STICKER
SC357_POC2026-02-12. Emissions. ENGINE; ELECTRICAL SYSTEM. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: SC357_POC: PROOF OF CORRECTION CARD
SC357_QA2026-02-12. Emissions. ELECTRICAL SYSTEM; ENGINE. 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. ENGINE; ELECTRICAL SYSTEM. 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. ELECTRICAL SYSTEM; ENGINE. 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.
TSB_ENG219_R12022-09-30. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: MAINTENANCE REMINDER FEATURE - 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 on setting the "Service Interval Reminder" feature available on most 2014-2023MY Kia vehicles (refer to model list on page 2). If the service interval reminder is set, the customer will be informed to have the next maintenance service performed, which can positively affect vehicle longevity and performance. Refer to TSB ENG241 for 2023MY~ vehicles equipped with the Oil Life Management System (OLMS) feature not included in table on page 2.
TSB_ENG216_R22021-03-04. Service bulletin. ENGINE AND ENGINE COOLING. TECHNICAL SERVICE BULLETIN: DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC21) - 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 related to extracting “in use performance tracking” emissions data from the Engine Control Unit (ECU) of certain vehicles sold in California. The California Air Resources Board (CARB) requires the emissions data from vehicles with a minimum of 3,000 accumulated miles without reprogramming or resetting.
TSB_ENG216_R12021-02-04. Service bulletin. ENGINE AND ENGINE COOLING. TSB - DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC21) - 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 related to extracting “in use performance tracking” emissions data from the Engine Control Unit (ECU) of certain vehicles sold in California. The California Air Resources Board (CARB) requires the emissions data from vehicles with a minimum of 3,000 accumulated miles without reprogramming or resetting.
TSB_ENG2192020-08-04. Service bulletin. ENGINE AND ENGINE COOLING. TECHNICAL SERVICE BULLETIN: MAINTENANCE REMINDER FEATURE - This bulletin provides information on setting the "Service Interval Reminder" feature available on most Kia vehicles. If the service interval reminder is set, the customer will be informed to have the next maintenance service performed, which can positively affect vehicle longevity and performance.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.