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Service bulletins for the 2018 Kia Sedona

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.

55 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
WTY026_TSB_R22026-04-01. Service bulletin. ENGINE. TECHNICAL SERVICE BULLETIN: WARRANTY EXTENSION CAMPAIGN: OIL PRESSURE SWITCH (OPS) REPLACEMENT (WTY026 REVISION 2) - 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 regarding the replacement of the Oil Pressure Switch associated with the ‘Warranty Extension Program’ (WTY026) on some 2014-2018MY vehicles listed in the table below, for repairs that may be necessary to address an Oil Pressure Switch leak in the eligible vehicles listed below from 10 years/100,000 miles to 15 years/150,000 miles, whichever comes first, starting from the date the vehicle was first put into service. This warranty extension is to address the Oil Pressure Switch leaking condition at no cost to the customers during this extended warranty period.
WTY026_TSB_R12022-09-30. Service bulletin. ENGINE AND ENGINE COOLING. TECHNICAL SERVICE BULLETIN: OIL PRESSURE SWITCH (OPS) REPLACEMENT - 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 regarding the replacement of the Oil Pressure Switch associated with the 'Warranty Extension Program' (WTY026) on some 2014-2018MY vehicles listed in the table below, for repairs that may be necessary to address an Oil Pressure Switch leak in the eligible vehicles listed below from 10 years/100,000 miles to 15 years/150,000 miles, whichever comes first, starting from the date the vehicle was first put into service. This warranty extension is to address the Oil Pressure Switch leaking condition at no cost to the customers during this extended warranty period. Follow the procedure outlined in this publication to replace the OPS.
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.
WTY026_TSB2022-08-03. Service bulletin. ENGINE AND ENGINE COOLING. TECHNICAL SERVICE BULLETIN OIL PRESSURE SWITCH (OPS) REPLACEMENT - This bulletin provides information regarding the replacement of the Oil Pressure Switch associated with the 'Warranty Extension Program' (WTY026) on some 2014-2018MY vehicles listed in the table below, for repairs that may be necessary to address an Oil Pressure Switch leak in the eligible vehicles listed below from 10 years/100,000 miles to 15 years/150,000 miles, whichever comes first, starting from the date the vehicle was first put into service. This warranty extension is to address the Oil Pressure Switch leaking condition at no cost to the customers during this extended warranty period.
WTY026_REIMB_YP2022-05-04. Service bulletin. ENGINE AND ENGINE COOLING. WARRANTY EXTENSION: REIMBURSEMENT FORM - This document is a Reimbursement Request form for 15-18 MY Cadenza customers which 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 program launch.
WTY026_OWNR_YP2022-05-04. Service bulletin. ENGINE AND ENGINE COOLING. WARRANTY EXTENSION: OWNER NOTIFICATION - This document is the owner notification that Kia is extending the New Vehicle Limited Warranty coverage for repairs that may be necessary to address an Oil Pressure Switch leak in 2015-2018 MY Sedona vehicles equipped with 3.3L GDI Engine 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.
WTY026_QA2022-05-04. Service bulletin. ENGINE AND ENGINE COOLING. WARRANTY EXTENSION: QUESTION AND ANSWER - This document is the Question and Answer Guide containing the most frequently asked questions regarding the warranty extension (WTY026).
WTY026_DPSM2022-05-04. Service bulletin. ENGINE AND ENGINE COOLING. WARRANTY EXTENSION: DEALER PARTS AND SERVICE MANAGER MEMO - This document is the announcement to the dealer Parts and Service Managers of the warranty extension program for WTY026. Kia is extending the New Vehicle Limited Warranty coverage for the repairs related to the Oil Pressure Switch leaking for eligible vehicles 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.
WTY026_DP2022-05-04. Service bulletin. ENGINE AND ENGINE COOLING. WARRANTY EXTENSION: DEALER PRINCIPAL MEMO - This document is the announcement to the dealer principals of the warranty extension program for WTY026. Kia is extending the New Vehicle Limited Warranty coverage for the repairs related to the Oil Pressure Switch leaking for eligible vehicles 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_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.
TSBENG178_R32019-08-07. Service bulletin. ENGINE AND ENGINE COOLING. TSB: DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC18) - This bulletin has been revised to include additional information. 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.
TSBENG178_R22019-05-08. Service bulletin. ENGINE AND ENGINE COOLING. TSB: DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC18) - 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.
TSBENG178_R12018-05-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. TSB - DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC18) - This bulletin has been revised to include additional information. 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 summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.