WenmarOpen by Wenmar Pro

Service bulletins for the 2020 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.

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

By type

By component

By trouble code

By topic

Only bulletins with type: Service bulletin 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.
TSB_CHA129_R12026-09-30. Service bulletin. POWER TRAIN. TECHNICAL SERVICE BULLETIN: AWD COUPLER NOISE/VIBRATION LOGIC IMPROVEMENT (Revision 1) - 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 4-Wheel Drive ‘4WD’ system software on some 2020-2025MY Telluride (ON) vehicles produced from January 08, 2019 through December 17, 2025. The affected vehicles may exhibit a noise and/or a vibration, shudder, jerking, binding, or chattering sensation while turning at low speeds (10MPH – 15MPH). This concern may be caused by decreased oil friction within AWD coupling due to continuous vehicle operation in harsh conditions (high/low ambient temperatures, extended duration/distance driving).
TSB_CHA128_CLSD2026-05-23. Service bulletin. POWER TRAIN. TECHNICAL SERVICE BULLETIN: 4WD COUPLING NOISE/VIBRATION LOGIC IMPROVEMENT) - CLOSED & SUPERSEDED BY CHA129 - This bulletin is now closed and superseded by CHA129. This bulletin provides information to upgrade the 4-Wheel Drive ‘4WD’ system software on certain 2020-2022MY Telluride (ON) vehicles produced from January 09, 2019 through September 01, 2022. The affected vehicles may exhibit a noise and/or a vibration, shudder, jerking, binding, or chattering while turning at low speeds (10MPH – 15MPH) located from the 4WD coupling caused by a decrease in the oil friction of the 4WD coupling due to continuous vehicle operation in harsh conditions (high/low ambient temperatures, long time/distance traveling).
TSB_CHA1292026-05-23. Service bulletin. POWER TRAIN. TECHNICAL SERVICE BULLETIN: AWD COUPLER NOISE/VIBRATION LOGIC IMPROVEMENT - This bulletin provides information to upgrade the 4-Wheel Drive ‘4WD’ system software on some 2020-2025MY Telluride (ON) vehicles produced from January 08, 2019 through December 17, 2025. The affected vehicles may exhibit a noise and/or a vibration, shudder, jerking, binding, or chattering sensation while turning at low speeds (10MPH – 15MPH). This concern may be caused by decreased oil friction within AWD coupling due to continuous vehicle operation in harsh conditions (high/low ambient temperatures, extended duration / distance driving).
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.
PS7932025-08-05. Service bulletin. ELECTRICAL SYSTEM. This Pitstop provides information regarding an inoperative sunroof switch on 2020–2025MY Telluride (ON) vehicles. When diagnosing a vehicle for this condition, check that connectors R02 and R03 are connected in the correct cavities. If these connectors were previously interchanged unintentionally, the sunroof switch will not operate.
TSB_CHA1282025-05-01. Service bulletin. POWER TRAIN. TECHNICAL SERVICE BULLETIN: 4WD COUPLING NOISE/VIBRATION LOGIC IMPROVEMENT - This bulletin provides information to upgrade the 4-Wheel Drive “4WD” system software on certain 2020-2022MY Telluride (ON) vehicles produced from January 9, 2019, through September 1, 2022. The affected vehicles may exhibit a noise, vibration, shudder, and/or chattering from the 4WD coupling assembly while turning at low speeds (10-15 mph) due to continuous vehicle operation in harsh conditions (e.g., very high or low ambient temperatures).
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.
TSB_TRA089_R12025-04-23. Service bulletin. POWER TRAIN. TECHNICAL SERVICE BULLETIN: TCM MIL ON DTC P074100 LOGIC IMPROVEMENT - 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 the procedure to improve the logic of the Transmission Control Module (TCM) on some 2020MY Telluride (ON) vehicles, produced from February 6, 2019, through December 9, 2019, which may experience lack of engagement of the torque converter damper clutch with illumination of the MIL and DTC P074100. When this occurs, the vehicle retains motive power, but transmission gear change smoothness can be affected.
TSB_ELE3782025-03-26. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: KIA CONNECT MODEM RESET (SA611) - This bulletin outlines the procedure for resetting the modem in certain 2016-2025MY Kia vehicles listed on page 3 that are equipped with Kia Connect Services. The affected vehicles may encounter the following issues: remote Start/Climate Control function not working, vehicle Status on the Kia Access App not updating, connected routing not functioning properly.
TSB_ELE3612024-12-11. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: AVN 5.0 WIDE DEALER MODE FACTORY RESET - This bulletin provides the procedure to perform the ‘Dealer Mode Factory Reset’ on multiple 2020-2021MY vehicles (listed on page 5) equipped with AVN 5.0 Wide head units. The affected vehicles may exhibit inoperable and/or interrupted Kia Connect services due to a logic error with the current software version. This logic error may affect the Kia Connect services: calendar, weather, sports, vehicle diagnostics, maintenance and/or Kia Connect services rendering these features inoperable.
PS7702024-09-06. Service bulletin. EXTERIOR LIGHTING. This Pitstop provides information regarding the disposal of the headlamp assembly desiccant/absorbent pack(s) on some 2020-2024MY Telluride (ON) vehicles equipped with either Halogen or LED lamps. The headlamp desiccant pack(s) may expand over time during normal vehicle operation. Desiccant pack expansion is normal. Desiccant packs are a consumable part and once the pack has fully expanded, it is no longer a functioning part. If the desiccant pack/bracket is determined to be expanded as shown below, it is recommended to be removed from the dust cap and then be discarded without a required replacement.
SC303Z_TSB2024-09-03. Service bulletin. POWER TRAIN. TECHNICAL SERVICE BULLETIN: SUBSEQUENT REPAIR ACTION: RIGHT FRONT DRIVESHAFT INSPECTION AND REPLACEMENT (SC303Z) - This bulletin provides information to inspect and, if necessary, replace the right front driveshaft on certain 2020-2024MY Telluride (ON) vehicles manufactured from January 9, 2019 through October 19, 2023 that previously had the campaign SC303 completed.
SC301Y_TSB2024-07-31. Service bulletin. VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SUBSEQUENT REPAIR ACTION: WHEEL SPEED SENSOR REPLACEMENT (SC301Y) - This bulletin provides information related to the Technical Service Bulletin previously published under SC301, titled “WSS Software Upgrade”.
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.
TSB_TRA105_R12024-05-06. Service bulletin. POWER TRAIN. TECHNICAL SERVICE BULLETIN: 4WD COUPLING NOISE INSPECTION AND SNAP RING 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 to inspect for a knocking/clicking noise present in the rear of the vehicle during low-speed driving (25MPH or less) on some 2020-2022MY Kia vehicles equipped with All Wheel Drive (AWD). The 4WD coupling snap ring may have excessive play between the drive gear set shaft and coupling flange.
TSB_ELE303_R22024-03-02. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: AVN 5.0 WIDE NON-RESPONSIVE RADIO ICON (AM, FM, SXM) - 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 update the software on 5th Generation AVN wide on certain 2020-2024MY Kia vehicles (refer to model list on page 3) to remedy a 'non-responsive' or 'inoperative' radio (FM, AM, SXM, etc. ) concern. The affected AVN unit on the vehicles may not respond when pressing the 'RADIO' hard key/button on the AVN unit or when selecting the 'RADIO' icon on the AVN menu screen.
TSB_CLI0552024-02-02. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM. 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.
TSB_ELE3202024-01-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: AVN 5.0 WIDE SCREEN FREEZING OR MAP DELAY WITH WIRED APPLE CARPLAY - This bulletin provides information to update the software on 5th Generation AVN wide on certain 2020-2023MY Kia vehicles to remedy an inaccurate map location, freezing AVN screen, or experiencing a delay when using Google Maps or Waze through wired Apple CarPlay.
TSB_TRA1052023-12-05. Service bulletin. POWER TRAIN. TECHNICAL SERVICE BULLETIN: 4WD COUPLING NOISE INSPECTION AND SNAP RING REPLACEMENT - This bulletin provides information to inspect for a knocking/clicking noise present in the rear of the vehicle during low-speed driving (25MPH or less) on some 2020-2022MY Kia vehicles equipped with All Wheel Drive (AWD). The 4WD coupling snap ring may have excessive play between the drive gear set shaft and coupling flange.
WTY030_OWNR_R12023-11-04. Service bulletin. EXTERIOR LIGHTING. WARRANTY EXTENSION: OWNER RE-NOTIFICATION - This document is the owner re-notification advising that Kia is extending the New Vehicle Limited Warranty coverage for the halogen headlamp assembly in certain 2020 MY Telluride LX/S/EX 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_ELE3142023-11-04. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: UNEVEN/SLIPPERY ROAD WARNING DISPLAYED ON INSTRUMENT CLUSTER - This bulletin provides information to update the software on 5th Generation AVN wide on certain 2020-2023MY Kia vehicles (refer to model list on page 3) to remedy a warning sound accompanied by a 'Slippery road ahead. Drive carefully' or 'Uneven road ahead. Drive carefully' warning which is displayed on the instrument cluster. The current AVN software causes the warning sound and message to repeat approximately every ten (10) seconds, if the vehicle is not in motion, in 'PARK' or driving on even surfaces.
PS7502023-10-01. Service bulletin. POWER TRAIN; STEERING; SUSPENSION. PITSTOP: AWD SYSTEM CONCERN DUE TO TIRE CIRCUMFERENCE - This Pitstop provides information regarding potential concerns with the All-Wheel-Drive (AWD) system due to tire sizes of differing circumference. Some customers may complain of a chatter sensation felt in the drivetrain of the vehicle and/or the failure of drivetrain component(s). A difference in tire size (width, aspect ratio, construction, rim diameter etc.) may be the cause.
TSB_ELE209_R42023-08-24. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE REMINDER SETTING RESET PROCEDURE - 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 service reminder setting, which may have been auto-set by the Kia Vehicle Inspection and Delivery application (KVID) at time of Pre-Delivery Inspection (PDI). Beginning with the 2023MY, Oil Life Monitoring (OLM) has been applied to all models, except Forte (BDm), Stinger (CK), Telluride (ON) and Soul (SK3). Refer to TSB ENG241 for additional information. As of 08/11/2023, the service reminder auto-set feature by KVID has been disabled for ALL models NOT equipped with OLM.
TSB_CHA113_R12023-08-02. Service bulletin. SUSPENSION. TECHNICAL SERVICE BULLETIN: REAR SHOCK ABSORBER ASSEMBLY NOISE - 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 replace the rear self-leveling shock insulator and locking nut on some 2020-2021MY Telluride (ON) vehicles produced from January 1, 2019 through December 1, 2020 which may exhibit noise from the rear of the vehicle while driving over bumps or on a bumpy road. Replacing the insulator instead of the complete rear shock assembly is recommended to help raise customer satisfaction with the reduced customer repair expense.

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