2021 Kia Sorento Hybrid service bulletins & manufacturer communications
58 manufacturer communications are on file with NHTSA for the 2021 Kia Sorento Hybrid. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.
Technical service bulletin 53Warranty extension 5
- TECHNICAL SERVICE BULLETIN: INFOTAINMENT SYSTEM SOFTWARE UPDATE USING UPDATE.KIA.COM - This bulletin provides information and service procedures for updating the infotainment syste…TSB_ELE422 · Technical service bulletin · Electrical System · issued May 28, 2026
- TECHNICAL SERVICE BULLETIN: INFOTAINMENT SOFTWARE UPDATE PROCEDURE - This bulletin provides information on the process for downloading infotainment software updates and preparing U…TSB_ELE417 · Technical service bulletin · Electrical System · issued Apr 14, 2026
- WARRANTY EXTENSION CAMPAIGN: OWNER NOTIFICATION (WTY042) - This document is the owner notification advising that Kia is extending the New Vehicle Limited Warranty coverage, to all …WTY042_OWNR · Warranty extension · Electrical System · issued Mar 26, 2026
- WARRANTY EXTENSION CAMPAIGN: TECHNICAL SERVICE BULLETIN: HORN ASSEMBLY INSPECTION AND REPLACEMENT (WTY042) - This bulletin provides information associated with the ‘Warranty Extens…WTY042_TSB · Technical service bulletin · Electrical System · issued Mar 24, 2026
- WARRANTY EXTENSION CAMPAIGN: REIMBURSEMENT FORM (WTY042) - This document is a Reimbursement Request form that was mailed with the customer letter advising them to submit the form i…WTY042_REIMB · Warranty extension · Electrical System · issued Mar 24, 2026
- WARRANTY EXTENSION CAMPAIGN: QUESTION AND ANSWER (WTY042) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Warranty Ext…WTY042_QA · Warranty extension · Electrical System · issued Mar 24, 2026
- WARRANTY EXTENSION CAMPAIGN: DEALER PARTS & SERVICE MANAGER MEMO (WTY042) - This document is the announcement to the dealer Parts and Service managers advising that Kia is is exten…WTY042_DPSM · Warranty extension · Electrical System · issued Mar 24, 2026
- WARRANTY EXTENSION CAMPAIGN: DEALER PRINCIPAL MEMO (WTY042) - This document is the announcement to the dealer principals advising that Kia is is extending the New Vehicle Limited W…WTY042_DP · Warranty extension · Electrical System · issued Mar 24, 2026
- PITSTOP: TECHNICAL OPERATIONS: EXTERNAL DAMAGE TO ULTRASONIC SENSOR: This Pitstop provides information related to Parking Distance Warning (PDW) alerts and repairs involving ultras…PS797 · Technical service bulletin · Back Over Prevention · issued Dec 9, 2025
- TECHNICAL SERVICE BULLETIN: SERVICE ACTION: INVERTER COOLANT/DEBRIS FLUSHING /REPLACEMENT FOR CLUSTER MESSAGE “REFILL INVERTER COOLANT” (SA515) - This bulletin has been revised to …TSB_ELE271_R3 · Technical service bulletin · Engine · issued Jul 16, 2025
- TECHNICAL SERVICE BULLETIN: CONTINUOUS VARIABLE VALVE DURATION (CVVD) ACTUATOR OIL SEAL REPLACEMENT - This bulletin provides information to replace the Continuous Variable Valve Du…TSB_ ENG256 · Technical service bulletin · Engine · issued Jul 7, 2025
- TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indic…TSB_TRA046_R5 · Technical service bulletin · Power Train · issued Apr 17, 2025
- TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - This bulletin has been revised to include additional information. New/revised sections of this …TSB_ENG222_R8 · Technical service bulletin · Engine · issued Apr 3, 2025
- 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 liste…TSB_ELE378 · Technical service bulletin · Electrical System · issued Mar 20, 2025
- TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - This bulletin has been revised to include additional information. New/revised sections of this …TSB_ENG222_R7 · Technical service bulletin · Engine · issued Feb 28, 2025
- 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 bu…TSB_ELE303_R3 · Technical service bulletin · Electrical System · issued Nov 15, 2024
- TECHNICAL SERVICE BULLETIN: PRECAUTIONS FOR TRANSMISSIONS WITH ISG/EOP - This bulletin provides information related to the replacement or servicing of transmission assemblies on al…TSB_TRA113 · Technical service bulletin · Power Train · issued Sep 5, 2024
- TECHNICAL SERVICE BULLETIN: MDPS SMALL BEARING REPLACEMENT - This bulletin provides the procedure to replace the worm gear small bearing of Motor Driver Power Steering (MDPS) unit …TSB_CHA122 · Technical service bulletin · Steering · issued May 25, 2024
- 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…TSB_TRA046_R4 · Technical service bulletin · Power Train · issued May 16, 2024
- TECHNICAL SERVICE BULLETIN: 4WD COUPLING ACTUATOR ASSEMBLY REPLACEMENT - This bulletin has been revised to include additional information. New/revised sections of this bulletin are…TSB_TRA108_R1 · Technical service bulletin · Power Train · issued Apr 25, 2024
- 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…TSB_TRA105_R1 · Technical service bulletin · Power Train · issued Apr 8, 2024
- 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 bu…TSB_ELE303_R2 · Technical service bulletin · Electrical System · issued Feb 9, 2024
- 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 wid…TSB_ELE320 · Technical service bulletin · Equipment · issued Dec 7, 2023
- TECHNICAL SERVICE BULLETIN: SERVICE ACTION: INVERTER COOLANT/DEBRIS FLUSHING/REPLACEMENT FOR CLUSTER MESSAGE "REFILL INVERTER COOLANT" (SA515) - This bulletin has been revised to i…TSB_ELE271_R2 · Technical service bulletin · Engine and Engine Cooling · issued Oct 23, 2023
- 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 c…TSB_ELE314 · Technical service bulletin · Electrical System · issued Oct 5, 2023
- 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…TSB_ELE303_R1 · Technical service bulletin · Equipment · issued Sep 28, 2023
- TECHNICAL SERVICE BULLETIN: 4WD COUPLING ACTUATOR ASSEMBLY REPLACEMENT - This bulletin provides information to replace the AWD coupling actuator assembly on some 2021-2023MY Kia AW…TSB_TRA108 · Technical service bulletin · Power Train · issued Sep 28, 2023
- 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 di…PS750 · Technical service bulletin · Steering · issued Sep 25, 2023
- TECHNICAL SERVICE BULLETIN: DISPLAY AUDIO 2.0 VALUE SOFTWARE UPDATE FOR WIRELESS CARPLAY IMPROVEMENT - This bulletin has been revised to include additional information. New/revised…TSB_ELE229_R4 · Technical service bulletin · Electrical System · issued Jul 13, 2023
- TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR - ELECTRICAL A/C COMPRESSOR - This bulletin has been revised to include additional information. New/revised sections of this bulletin are…TSB_CLI049_R1 · Technical service bulletin · Visibility · issued Jun 26, 2023
- TECHNICAL SERVICE BULLETIN: SERVICE ACTION: INVERTER COOLANT/DEBRIS FLUSHING/REPLACEMENT FOR CLUSTER MESSAGE "REFILL INVERTER COOLANT" (SA515): This bulletin has been revis…TSB_ELE271_R1 · Technical service bulletin · Electrical System · issued Apr 28, 2023
- TECHNICAL SERVICE BULLETIN: SERVICE ACTION: MQ4 HEV LEAFLET AND RESERVOIR CAP LABEL REPLACEMENT(SA524) - This bulletin provides information to replace the hybrid motor coolant rese…TSB_ELE282 · Technical service bulletin · Equipment · issued Apr 19, 2023
- TECHNICAL SERVICE BULLETIN: SERVICE ACTION: MQ4 HEV RESERVOIR CAP LABEL REPLACEMENT (SA523) - This bulletin provides information to replace the hybrid motor coolant reservoir cap l…TSB_ELE281 · Technical service bulletin · Engine and Engine Cooling · issued Apr 19, 2023
- TECHNICAL SERVICE BULLETIN: SERVICE ACTION: INVERTER COOLANT/DEBRIS FLUSHING/REPLACEMENT FOR CLUSTER MESSAGE "REFILL INVERTER COOLANT" (SA515) - This bulletin provides info…TSB_ELE271 · Technical service bulletin · Engine and Engine Cooling · issued Apr 19, 2023
- PIT STOP: LOG FILE COLLECTION FOR AVN 5.0/W AND DISPLAY AUDIO 2.0 - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indi…PS677_R2 · Technical service bulletin · Electrical System · issued Apr 7, 2023
- TECHNICAL SERVICE BULLETIN: MQ4 P/HEV GAMMA 1.6L T-GDI ECM & HCULDC LOGIC IMPROVEMENT FOR OIL DILUTION: This bulletin provides the procedure to update the software logic of the 'En…TSB_ELE285 · Technical service bulletin · Electrical System · issued Mar 6, 2023
- TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement …TSB_TRA046_R3 · Technical service bulletin · Power Train · issued Nov 18, 2022
- TECHNICAL SERVICE BULLETIN: MAINTENANCE REMINDER FEATURE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by …TSB_ENG219_R1 · Technical service bulletin · Electrical System · issued Sep 16, 2022
- TECHNICAL SERVICE BULLETIN: SERVICE REMINDER SETTING RESET PROCEDURE - This bulletin provides the procedure to turn OFF the service reminder lamp, at the first service interval rem…TSB_ELE209_R3 · Technical service bulletin · Electrical System · issued Aug 16, 2022
- PITSTOP: REAR OCCUPANT ALERT (ROA) W/REAR DOOR LOGIC - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a bl…PS672_R1 · Technical service bulletin · Electrical System · issued Aug 10, 2022
- TECHNICAL SERVICE BULLETIN: HIGH-VOLTAGE BATTERY ORDERING AND RETURN PROCEDURE - This bulletin has been revised to include additional information. New/revised sections of this bull…TSB_ELE044_R3 · Technical service bulletin · Fuel System, Gasoline · issued Apr 7, 2022
- PITSTOP: INSTRUMENT CLUSTER REPLACEMENT AND MILEAGE SETTING WITH KDS - This bulletin has been revised to include additional information. New/revised sections of this bulletin are i…PS613_R1 · Technical service bulletin · Electrical System · issued Mar 30, 2022
- TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - This bulletin has been revised to include additional information. New/revised sections of this …TSB_ENG222_R6 · Technical service bulletin · Engine and Engine Cooling · issued Mar 1, 2022
- TECHNICAL SERVICE BULLETIN: INFORMATION FOR HEADLAMP CONDENSATION AND MOISTURE - This bulletin has been revised to include additional information. New/revised sections of this bull…TSB_BOD055_R1 · Technical service bulletin · Exterior Lighting · issued Sep 13, 2021
- PITSTOP: REAR OCCUPANT ALERT (ROA) WITH ULTRASONIC OPERATION - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated…PS656_R2 · Technical service bulletin · Electrical System · issued Aug 24, 2021
- TECHNICAL SERVICE BULLETIN: HIGH-VOLTAGE BATTERY ORDERING AND RETURN PROCEDURE - This bulletin has been revised to include additional information. New/revised sections of this bull…TSB_ELE044_R2 · Technical service bulletin · Electrical System · issued Aug 19, 2021
- PIT STOP: LOG FILE COLLECTION FOR AVN 5.0/W AND DISPLAY AUDIO 2.0 - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indi…PS677_R1 · Technical service bulletin · Electrical System · issued Jun 9, 2021
- PIT STOP: A/C DYE FOR E-COMPRESSOR EQUIPPED VEHICLES - This bulletin provides information on the proper non-conductive A/C system leak detection dye to be used in all EV, HEV, and …PS702 · Technical service bulletin · Visibility · issued Jun 4, 2021
- TECHNICAL SERVICE BULLETIN: DISPLAY AUDIO 2.0 VALUE SOFTWARE UPDATE FOR WIRELESS CARPLAY IMPROVEMENT - This bulletin has been revised to include additional information. New/revised…TSB_ELE229_R3 · Technical service bulletin · Electrical System · issued Apr 9, 2021
- TECHNICAL SERVICE BULLETIN: SERVICE REMINDER SETTING RESET PROCEDURE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are i…TSB_ELE209_R2 · Technical service bulletin · Electrical System · issued Apr 8, 2021
- PITSTOP: LOG FILE COLLECTION FOR AVN 5.0/W & DISPLAY AUDIO 2.0 - This Pitstop contains information regarding the log file collection procedure for 2020MY~ models equipped with AVN …PS677 · Technical service bulletin · Electrical System · issued Mar 12, 2021
- TECHNICAL SERVICE BULLETIN: SERVICE REMINDER SETTING RESET PROCEDURE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are i…TSB_ELE209_R1 · Technical service bulletin · Electrical System · issued Mar 11, 2021
- PITSTOP/TECHNICAL OPERATIONS - SMOKE MACHINE NOT TO BE USED FOR EMISSIONS TESTING WITH HEV/PHEV MODELS - This Pitstop provides information to properly test the evaporative emission…PS686 · Technical service bulletin · Engine and Engine Cooling · issued Feb 24, 2021
- TECHNICAL SERVICE BULLETIN: COMBINATION TSB / SERVICE ACTION: DISPLAY AUDIO 2.0 SOFTWARE UPDATE FOR WIRELESS CARPLAY ISSUE (SA460) - This bulletin has been revised to include addit…TSB_ELE229_R1 · Technical service bulletin · Electrical System · issued Feb 4, 2021
- TECHNICAL SERVICE BULLETIN: DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC21) - This bulletin has been revised to include additional information. New/revised secti…TSB_ENG216_R2 · Technical service bulletin · Engine and Engine Cooling · issued Feb 3, 2021
- TECHNICAL SERVICE BULLETIN: SERVICE ACTION: CENTER AND REAR MUFFLER INSPECTION AND REPAIR (SA461) - This bulletin provides the procedure to inspect the center muffler on some 2021M…TSB_ENG225 · Technical service bulletin · Equipment Adaptive/mobility · issued Jan 22, 2021
- TECHNICAL SERVICE BULLETIN: SERVICE ACTION: DISPLAY AUDIO 2.0 SOFTWARE UPDATE FOR WIRELESS CARPLAY ISSUE (SA460) - This bulletin provides the procedure to update the head unit soft…TSB_ELE229 · Technical service bulletin · Electrical System · issued Jan 13, 2021
- PITSTOP: SORENTO (MQ4A) ALIGNMENT SPECIFICATIONS - This Pitstop provides information regarding alignment specifications for 2021MY Sorento (MQ4a) and Sorento Hybrid (MQ4 KH) vehicl…PS681 · Technical service bulletin · Wheels · issued Nov 20, 2020