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Service bulletins for the 2015 Kia Cadenza

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.

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

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Only bulletins with type: Service bulletin 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.
WTY039_TSB_R72025-12-24. Service bulletin. ENGINE. TECHNICAL SERVICE BULLETIN: ENGINE SUB ASSEMBLY INSPECTION/REPLACEMENT (WTY039 - REVISION 7) - 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 associated with the ‘Warranty Extension Program’ (WTY039) to diagnose a coolant leak from the cylinder head gasket area and, if necessary, replace the engine sub assembly on 2014-2015 MY Sorento, 2014-2017 MY Cadenza, and 2015-2016 MY Sedona vehicles, equipped with 3.3L GDI engines. The warranty coverage for repairs related to the cylinder head gasket will be extended 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.
WTY039_TSB_R62025-12-10. Service bulletin. ENGINE. TECHNICAL SERVICE BULLETIN: ENGINE SUB ASSEMBLY INSPECTION/REPLACEMENT (WTY039 REVISION 6) - 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 associated with the ‘Warranty Extension Program’ (WTY039) to diagnose a coolant leak from the cylinder head gasket area and, if necessary, replace the engine sub assembly on 2014-2015 MY Sorento, 2014-2017 MY Cadenza, and 2015-2016 MY Sedona vehicles, equipped with 3.3L GDI engines. The warranty coverage for repairs related to the cylinder head gasket will be extended 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.
WTY039_TSB_R52025-11-20. Service bulletin. ENGINE. TECHNICAL SERVICE BULLETIN: WARRANTY EXTENSION CAMPAIGN (WTY039) - 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 associated with the ‘Warranty Extension Program’ (WTY039) to diagnose a coolant leak from the cylinder head gasket area and, if necessary, replace the engine sub assembly on 2014-2015 MY Sorento, 2014-2017 MY Cadenza, and 2015-2016 MY Sedona vehicles, equipped with 3.3L GDI engines. The warranty coverage for repairs related to the cylinder head gasket will be extended 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.
TSB_TRA046_R52025-04-23. Service bulletin. POWER TRAIN. TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - 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 relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced, and the transmission oil cooler is transferred to the new transmission.
WTY039_TSB_R22024-11-06. Service bulletin. ENGINE. TECHNICAL SERVICE BULLETIN: ENGINE SUB ASSEMBLY INSPECTION/REPLACEMENT (WTY039) - 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 associated with the ‘Warranty Extension Program’ (WTY039) to diagnose a coolant leak from the cylinder head gasket area and, if necessary, replace the engine sub assembly on 2014-2015 MY Sorento, 2014-2017 MY Cadenza, and 2015-2016 MY Sedona vehicles, equipped with 3.3L GDI engines. The warranty coverage for repairs related to the cylinder head gasket will be extended 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.
WTY039_TSB_R12024-08-21. Service bulletin. ENGINE. TECHNICAL SERVICE BULLETIN: WARRANTY EXTENSION CAMPAIGN: ENGINE SUB ASSEMBLY INSPECTION/REPLACEMENT (WTY039) - 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 associated with the ‘Warranty Extension Program’ (WTY039) to diagnose a coolant leak from the cylinder head gasket area and, if necessary, replace the engine sub assembly on 2014-2015 MY Sorento, 2014-2017 MY Cadenza, and 2015-2016 MY Sedona vehicles, equipped with 3.3L GDI engines. The warranty coverage for repairs related to the cylinder head gasket will be extended 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.
TSB_TRA046_R42024-06-04. Service bulletin. POWER TRAIN. This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced.
SC240_OWNR22023-08-24. Service bulletin. SUSPENSION. VOLUNTARY SERVICE CAMPAIGN: OWNER RENOTIFICATION - This document is the owner renotification advising that Kia is conducting a Voluntary Service Campaign to replace the front coil springs in certain 2015 MY Kia Cadenza vehicles that were originally sold in, or are currently registered in, states with high road salt usage.
TSB_TRA046_R32022-12-06. Service bulletin. POWER TRAIN. TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced, refer to applicable vehicles in the chart starting on page 2.
SC240_TSB2022-11-02. Service bulletin. SUSPENSION. VOLUNTARY SERVICE CAMPAIGN: FRONT COIL SPRING REPLACEMENT (SC240) - This bulletin provides information to replace both of the front suspension (LH & RH) coil springs in certain 2015MY Cadenza (VG) vehicles produced from April 11, 2014 through March 3, 2015 that were originally sold in or are currently registered in one of the 28 states with high road salt usage. The 28 states with high road salt usage are: AK, CT, DC, DE, IA, IL, IN, KS, KY, MA, MD, ME, MI, MN, MO, ND, NE, NH, NJ, NY, OH, PA, RI, SD, UT, VT, WI and WV. Front coil spring corrosion can occur on vehicles that are not well maintained in the states with high road salt usage. If a corroded front coil spring is not replaced during scheduled maintenance service visits, the spring may break. If this occurs, customers may experience vibration, clicking/grinding noise, as well as decreased ride height of the front of the vehicle. A broken front coil spring may have some impact on the vehicle’s ride and handling quality, but it does not result in a loss of control.
SC240_OWNR2022-11-02. Service bulletin. SUSPENSION. VOLUNTARY SERVICE CAMPAIGN: OWNER NOTIFICATION - This document is the owner notification advising that Kia is conducting a Voluntary Service Campaign to replace the front coil springs in certain 2015 MY Kia Cadenza vehicles that were originally sold in, or are currently registered in, states with high road salt usage.
SC240_QA2022-11-02. Service bulletin. SUSPENSION. VOLUNTARY SERVICE CAMPAIGN: QUESTION AND ANSWER - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Service Campaign (SC240).
SC240_DPSM2022-11-02. Service bulletin. SUSPENSION. VOLUNTARY SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO - This document is the announcement to the dealer Parts and Service Managers that Kia is conducting a Voluntary Service Campaign for front coil springs on certain 2015 MY Kia Cadenza vehicles manufactured from April 11, 2014 through March 3, 2015 that were originally sold in or are currently registered in one of the 28 states with high road salt usage.
SC240_DM2022-11-02. Service bulletin. SUSPENSION. VOLUNTARY SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO - This document is the announcement to the dealer principals that Kia is conducting a Voluntary Service Campaign for front coil springs on certain 2015 MY Kia Cadenza vehicles manufactured from April 11, 2014 through March 3, 2015 that were originally sold in or are currently registered in one of the 28 states with high road salt usage.
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_VG2022-05-04. Service bulletin. ENGINE AND ENGINE COOLING. WARRANTY EXTENSION: REIMBURSEMENT FORM - This document is a Reimbursement Request form for 14-16 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_VG2022-05-04. Service bulletin. ENGINE AND ENGINE COOLING. WARRANTY EXTENSION: OWNER NOTIFICATION - This document is the owner notification advising that Kia is extending the New Vehicle Limited Warranty coverage for repairs that may be necessary to address an Oil Pressure Switch leak in 2014-2016 MY Cadenza 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_CHA084_R82021-10-22. Service bulletin. STEERING. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - 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 partial repair of the Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU), Steering Column Housing, or Worm Gear Assembly. When the steering wheel is rotated a scraping noise can be heard originating from the lower bearing on the Worm Gear Assembly on some 2010MY~ Kia models listed on page 8, equipped with a Column Motor Driven Power Steering (C-MDPS) unit. On some vehicles when the steering wheel is rotated a scraping noise can be heard originating from the lower bearing on the Worm Gear Assembly and does not affect the steering effort.
TSB_BOD055_R12021-10-02. Service bulletin. STRUCTURE; EXTERIOR LIGHTING. TECHNICAL SERVICE BULLETIN: INFORMATION FOR HEADLAMP CONDENSATION AND MOISTURE - 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 relating to some Kia models that may exhibit fogging, condensation, and/or moisture inside a headlamp assembly. Generally, a fogging condition is considered normal and can be eliminated by turning on the headlamps with the engine running for up to 30 minutes or during normal driving conditions. Headlamp assembly replacement WILL NOT be necessary in most cases.

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