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Service bulletins for the 2022 Kia Sorento

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.

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

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
TSB_CLI049_R22026-09-02. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY/WIPER. 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 indicated by a black bar in the margin area. This bulletin provides information regarding the partial repair of the Air Conditioning (A/C) compressor assembly on some 2011MY~ Optima Hybrid (TF HEV, JF HEV/PHEV), 2015MY~ Soul EV (PS EV), 2017MY~ Niro (DE HEV/PHEV/EV), 2022MY~ EV6 (CV), 2021MY~ Sorento (MQ4 HEV/PHEV), 2023MY~ Sportage (NQ5 HEV/PHEV), and 2023MY~ Niro (SG2 EV/HEV/PHEV) vehicles.
TSB_ELE4222026-06-03. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: INFOTAINMENT SYSTEM SOFTWARE UPDATE USING UPDATE.KIA.COM - This bulletin provides information and service procedures for updating the infotainment systems on applicable Kia vehicles using the Kia Navigation Updater available at update.kia.com. The software update may improve system performance, enhance existing features, and apply the latest operating software for supported vehicles (2021-2026MY All Models).
TSB_ELE4172026-05-01. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: INFOTAINMENT SOFTWARE UPDATE PROCEDURE - This bulletin provides information on the process for downloading infotainment software updates and preparing USB for installation on applicable Kia vehicles. The software downloads and USB preparation process is similar across all supported platforms; however, in‑vehicle installation procedures vary by head unit type.
WTY042_TSB2026-04-01. Service bulletin. ELECTRICAL SYSTEM. WARRANTY EXTENSION CAMPAIGN: TECHNICAL SERVICE BULLETIN: HORN ASSEMBLY INSPECTION AND REPLACEMENT (WTY042) - This bulletin provides information associated with the ‘Warranty Extension Program’ (WTY042) to inspect and, if necessary, replace the horn assembly on certain vehicles listed in the table below. The affected vehicles may experience an unusual or different horn sound than normal, or an inoperative horn, caused by corrosion inside the electric horn and/or carbonization of the contact point. The warranty coverage for repairs related to the horn assembly has been extended from 5 years / 60,000 miles to 10 years / 120,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
WTY042_REIMB2026-04-01. Warranty extension. ELECTRICAL SYSTEM. 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 if they had paid for repairs for this same matter prior to the warranty extension campaign program launch.
WTY042_QA2026-04-01. Warranty extension. ELECTRICAL SYSTEM. WARRANTY EXTENSION CAMPAIGN: QUESTION AND ANSWER (WTY042) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Warranty Extension Campaign WTY042.
WTY042_OWNR2026-04-01. Warranty extension. ELECTRICAL SYSTEM. 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 owners, for repairs related to the horn assembly in certain 2021-2025 MY Sorento, 2021-2025 MY Sorento Hybrid (HEV), and 2022-2025 MY Sorento Plug-in Hybrid (PHEV) vehicles from 5 years / 60,000 miles to 10 years / 120,000 miles, whichever comes first, starting from the date the vehicle was first put into service. This warranty extension is to address a horn sound malfunction condition free of charge at no cost to the customer.
WTY042_DPSM2026-04-01. Warranty extension. ELECTRICAL SYSTEM. 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 extending the New Vehicle Limited Warranty coverage, to all owners, for repairs related to the horn assembly for eligible vehicles, from 5 years / 60,000 miles to 10 years / 120,000 miles, whichever comes first, from the date the vehicle was first put into service. This warranty extension is to address a horn sound malfunction condition on 2021-2025 MY Sorento vehicles manufactured from September 10, 2020, through June 3, 2025, 2021-2025 MY Sorento Hybrid (HEV) vehicles manufactured from September 2, 2020, through January 24, 2025, and 2022-2025 MY Sorento Plug-In Hybrid (PHEV) vehicles manufactured from June 29, 2021, through January 20, 2025.
WTY042_DP2026-04-01. Warranty extension. ELECTRICAL SYSTEM. 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 Warranty coverage, to all owners, for repairs related to the horn assembly for eligible vehicles, from 5 years / 60,000 miles to 10 years / 120,000 miles, whichever comes first, from the date the vehicle was first put into service. This warranty extension is to address a horn sound malfunction condition on 2021-2025 MY Sorento vehicles manufactured from September 10, 2020, through June 3, 2025, 2021-2025 MY Sorento Hybrid (HEV) vehicles manufactured from September 2, 2020, through January 24, 2025, and 2022-2025 MY Sorento Plug-In Hybrid (PHEV) vehicles manufactured from June 29, 2021, through January 20, 2025.
TSB_ELE3942026-03-31. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: AVN5.0W DTC P17A000 DAIGNOSTIC PROCEDURE - This bulletin provides information regarding a potential illuminated Malfunction Indicator Lamp (MIL) accompanied by DTC P17A000 on some 2022-2025MY Hybrid Electric Vehicles (HEV) and Plug-In Hybrid Electric Vehicles (PHEV) equipped with AVN5.0Wide head units listed below. This condition occurs when the Global Positioning System (GPS) module within the Audio Video Navigation (AVN) head unit, sends an inaccurate signal to the Hybrid Power Control Unit (HPCU), causing the DTC to set. There are no drivability symptoms associated with this condition.
SC325_TSB_R12026-02-26. Service bulletin. ENGINE; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: AEWP INSPECTION AND REPLACEMENT (SC325) - 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 and, if necessary, replace the Auxiliary Electric Water Pump (AEWP), control harness wiring, and/or engine room junction box for coolant intrusion and/or corrosion on certain 2022-2023MY Kia Hybrid and Plug-in Hybrid vehicles listed in the table below. The AEWP in the subject vehicles may crack internally and allow coolant to intrude into the AEWP circuitry. If coolant enters the AEWP circuitry, the Check Engine Light (CEL) may be illuminated with one or more DTCs listed on page 2. If the vehicle continues to be driven in this condition, the Active Air Flap (AAF) warning message can also activate, and coolant may eventually migrate through the wiring harness to the engine room junction block. This may result in a reduction of motive power and may cause the vehicle to release air pollutants which exceeds Federal and California standards. These standards were established to protect the public health and welfare from the dangers of air pollution.
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.
SC325_TSB2025-02-12. Service bulletin. ENGINE; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: AEWP INSPECTION AND REPLACEMENT (SC325) - This bulletin provides information to inspect and, if necessary, replace the Auxiliary Electric Water Pump (AEWP), control harness wiring, and/or engine room junction box for coolant intrusion and/or corrosion on certain 2023MY Niro Hybrid (HEV) and Plug-in Hybrid (PHEV), 2023MY Sportage HEV/PHEV, and 2022-2023MY Sorento HEV/PHEV Kia vehicles listed in this bulletin. The AEWP in the subject vehicles may crack internally and allow coolant to intrude into the AEWP circuitry. If coolant enters the AEWP circuitry, the Check Engine Light (CEL) may be illuminated with one or more DTCs listed on page 2. If the vehicle continues to be driven in this condition, the Active Air Flap (AAF) warning message can also activate, and coolant may eventually migrate through the wiring harness to the engine room junction block. This may result in a reduction of motive power and may cause the vehicle to release air pollutants which exceeds Federal and California standards. These standards were established to protect the public health and welfare from the dangers of air pollution.
SC325_STKR2025-02-05. Emissions. ENGINE; ELECTRICAL SYSTEM. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: SC325_STKR: COMPLETION LABEL/STICKER
SC325_QA2025-02-05. Emissions. ELECTRICAL SYSTEM; ENGINE. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: QUESTION AND ANSWER (SC325) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Emissions Service Campaign SC325.
SC325_POC2025-02-05. Emissions. ENGINE; ELECTRICAL SYSTEM. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: SC325_POC: PROOF OF CORRECTION CARD
SC325_OWNR_MQ42025-02-05. Emissions. ENGINE; ELECTRICAL SYSTEM. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC325) - This document is the owner notification advising that Kia conducting Voluntary Emissions Service Campaign regarding the Auxiliary Electric Water Pump (AEWP) on certain 2022-2023 MY Sorento P/HEV vehicles. Kia has become aware that the Auxiliary Electric Water Pump (AEWP) in the subject vehicles may crack internally and allow coolant to intrude into the AEWP circuitry. If coolant enters the AEWP circuitry, the Check Engine light (CEL) may be illuminated. If the vehicle continues to be driven in this condition, the active air flap (AAF) warning message can also activate, and coolant may eventually migrate through the wiring harness to the engine room junction block. This may result in a reduction of drive power and may cause the vehicle to release air pollutants which exceed Federal and California standards. These standards were established to protect the public health and welfare from the dangers of air pollution.
SC325_DPSM2025-02-05. Emissions. ELECTRICAL SYSTEM; ENGINE. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (SC325) - This document is the announcement to the dealer Parts and Service managers advising that Kia is conducting a Voluntary Emissions Service Campaign regarding the Auxiliary Electric Water Pump (AEWP) on certain 2023 MY Niro P/HEV, 2023 MY Sportage P/HEV, and 2022-2023 MY Sorento P/HEV vehicles. Kia has become aware that the Auxiliary Electric Water Pump (AEWP) in the subject vehicles may crack internally and allow coolant to intrude into the AEWP circuitry. If coolant enters the AEWP circuitry, the Check Engine light (CEL) may be illuminated. If the vehicle continues to be driven in this condition, the active air flap (AAF) warning message can also activate, and coolant may eventually migrate through the wiring harness to the engine room junction block. This may result in a reduction of drive power and may cause the vehicle to release air pollutants which exceed Federal and California standards. These standards were established to protect the public health and welfare from the dangers of air pollution.
SC325_DP2025-02-05. Emissions. ELECTRICAL SYSTEM; ENGINE. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO (SC325) - This document is the announcement to the dealer principals advising that Kia is conducting a Voluntary Emissions Service Campaign regarding the Auxiliary Electric Water Pump (AEWP) on certain 2023 MY Niro P/HEV, 2023 MY Sportage P/HEV, and 2022-2023 MY Sorento P/HEV vehicles. Kia has become aware that the Auxiliary Electric Water Pump (AEWP) in the subject vehicles may crack internally and allow coolant to intrude into the AEWP circuitry. If coolant enters the AEWP circuitry, the Check Engine light (CEL) may be illuminated. If the vehicle continues to be driven in this condition, the active air flap (AAF) warning message can also activate, and coolant may eventually migrate through the wiring harness to the engine room junction block. This may result in a reduction of drive power and may cause the vehicle to release air pollutants which exceed Federal and California standards. These standards were established to protect the public health and welfare from the dangers of air pollution.
TSB_ELE338_R12025-01-16. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: DISPLAY AUDIO 2.0/AVN5WSOFTWARE UPDATE (SA569) - 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 Display Audio 2.0 (D2V) and AVN 5.0 Wide (AVN5W) head units on certain 2022-2023MY Kia vehicles (refer to model list on page 9). The affected vehicles may experience various concerns related to Apple CarPlay®/Android Auto™ phone projection connectivity.
TSB_ELE347_R12024-12-20. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: DISPLAY AUDIO 2.0V/AVN5W SOFTWARE UPDATE - 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 Display Audio 2.0 (D2V) and AVN 5.0 Wide (AVN5W) head units on certain 2021-2023MY Kia vehicles (refer to pages 5 and 16). The affected vehicles may experience Apple CarPlay®/Android Auto™ phone projection connectivity-related concerns.
TSB_TRA111_R22024-11-21. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. TECHNICAL SERVICE BULLETIN: 8-SPEED DUAL CLUTCH TRANSMISSION EOP SENSORLESS 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 information to improve the Electric Oil Pump ‘EOP’ operation logic of the automatic transmission ‘A/T’ on some 2021-2023MY Sorento (MQ4a) vehicles produced from September 9, 2020 through December 29, 2023 and 2021-2023MY K5 (DL3a) vehicles produced from March 24, 2020 to December 18, 2023, equipped with a 2.5L T-GDI Theta III engines and 8-Speed Dual Clutch Transmissions (DCT). The affected vehicles may exhibit abnormal/harsh shifting, gear slipping, no gear engagement in Drive ‘D’ and/or Reverse ‘R’ shift selection, accompanied by a Malfunction Indicator Lamp (MIL) ‘ON’ illuminated on the instrument cluster with DTC(s) P1C2D03, P1C2D1C, and/or P1C2E92 stored.
TSB_ELE303_R32024-11-20. 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 8) 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_TRA1112024-08-01. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. TECHNICAL SERVICE BULLETIN: 8-SPEED DUAL CLUTCH TRANSMISSION EOP SENSORLESS LOGIC IMPROVEMENT - This bulletin provides information to improve the Electric Oil Pump ‘EOP’ operation logic of the automatic transmission ‘A/T’ on some 2021-2023MY Sorento (MQ4a) vehicles produced from September 9, 2020 through December 29, 2023 and 2021-2023MY K5 (DL3a) vehicles produced from March 24, 2020 to December 18, 2023, equipped with a 2.5L T-GDI Theta III engines and 8-Speed Dual Clutch Transmissions (DCT).
TSB_ELE3472024-07-31. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: DISPLAY AUDIO 2.0V/AVN5W SOFTWARE UPDATE - This bulletin provides information to update the software on Display Audio 2.0 (D2V) and 5th Generation AVN Wide (AVN5W) head units on certain 2021-2023MY Kia vehicles. The affected vehicles may experience Apple CarPlay®/Android Auto™ phone projection connectivity-related concerns.

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