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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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Bulletins, newest first
CS2304C_OWNR2023-04-06. Service bulletin. ELECTRICAL SYSTEM. CUSTOMER SATISFACTION CAMPAIGN: OWNER NOTIFICATION - This document is the owner notification advising that Kia has developed a software upgrade that can be installed on the vehicle to restrict the operation of the vehicle's ignition system should a locked vehicle be the subject of a break-in and theft attempt without the key. This software upgrade will be available to the customer free of charge for eighteen (18) months from the date of this letter. When the software upgrade is complete, Kia will also provide the customer with window stickers that can be applied to your vehicle to discourage a break-in.
TSB_TRA1072023-04-06. Service bulletin. POWER TRAIN. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: 8-SPEED DUAL CLUTCH TRANSMISSION (DCT) S/W LOGIC IMPROVEMENT (SA526) - This bulletin supersedes SA502. This bulletin provides information to update the software logic of the A/T system on certain 2022-2023MY K5 (DL3a) and Sorento (MQ4a) vehicles equipped with Theta 2.5L T-GDI engine and 8-Speed DCT. The affected vehicles may exhibit an abnormal shifting condition while driving, due to the amount of clutch oil flow consumption immediately after starting. In some cases, the cluster may display a transmission error message and/or MIL ON with DTC P086800 stored.
SC252_TSB_R12023-02-02. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); PARKING BRAKE; FORWARD COLLISION AVOIDANCE; SERVICE BRAKES, HYDRAULIC. TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: HECU INSPECTION /REPLACEMENT (SC252A/B/C) - 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 Hydraulic Electronic Control Unit (HECU) on certain K5 (DL3a) and Telluride (ON) and Sorento (MQ4a) vehicles produced on the dates shown in Table below. The HECU in the subject vehicles may have been produced with a condition that can result in an internal brake fluid leak. If an internal brake fluid leak occurs, the Electronic Parking Brake (EPB) light, Anti-Lock Brake System (ABS) light, Electronic Stability Control (ESC) light, Auto-Hold light and/or Forward Collision-Avoidance Assist (FCA) light may illuminate, or a Smart Cruise Control (SCC) warning message may appear on the instrument cluster. If this occurs, EPB, ESC and Auto-Hold functions may be disabled
SC252_OWNR_MQ42022-12-20. Service bulletin. ELECTRICAL SYSTEM; PARKING BRAKE; FORWARD COLLISION AVOIDANCE; SERVICE BRAKES, HYDRAULIC; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). VOLUNTARY SERVICE CAMPAIGN: OWNER NOTIFICATION - This document is the owner notification advising that Kia America, Inc. is conducting a Voluntary Service Campaign to inspect and, if necessary, replace the Hydraulic Electronic Control Unit ("HECU") in certain 2022 MY Sorento vehicles.
SC252_QA2022-12-20. Service bulletin. PARKING BRAKE; ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); SERVICE BRAKES, HYDRAULIC. 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 (SC252).
SC252_DPSM2022-12-20. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); FORWARD COLLISION AVOIDANCE; SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM; PARKING BRAKE. VOLUNTARY SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO - This document is the announcement to the dealer Parts and Service Managers that Kia America, Inc. is conducting a Voluntary Service Campaign on the following vehicles: Certain 2022 MY Sorento vehicles manufactured from December 8, 2021 through May 23, 2022. Certain 2022 MY Telluride vehicles manufactured from November 29, 2021 through September 1, 2022. Certain 2022-2023 MY K5 vehicles manufactured from December 7, 2021 through September 12, 2022. The Hydraulic Electronic Control Unit (HECU) controls the vehicle's Electronic Parking Brake (EPB), Electronic Stability Control System (ESC), and Auto-Hold features, among other related functions. The HECU in these vehicles may have been produced by the supplier with a condition that can result in an internal brake fluid leak. If an internal brake fluid leak occurs, the vehicle's EPB light, ABS light, ESC light, Auto-Hold light, and/or Forward Collision Avoidance Assist light may illuminate, or a Smart Cruise Control (SCC) warning message may appear on the instrument cluster. If this occurs, EPB, ESC, and Auto Hold functions may be disabled.
SC252_DP2022-12-20. Service bulletin. FORWARD COLLISION AVOIDANCE; SERVICE BRAKES, HYDRAULIC; PARKING BRAKE; ELECTRICAL SYSTEM; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). VOLUNTARY SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO - This document is the announcement to the dealer principals that Kia America, Inc. is conducting a Voluntary Service Campaign on the following vehicles: Certain 2022 MY Sorento vehicles manufactured from December 8, 2021 through May 23, 2022. Certain 2022 MY Telluride vehicles manufactured from November 29, 2021 through September 1, 2022. Certain 2022-2023 MY K5 vehicles manufactured from December 7, 2021 through September 12, 2022. The Hydraulic Electronic Control Unit (HECU) controls the vehicle's Electronic Parking Brake (EPB), Electronic Stability Control System (ESC), and Auto-Hold features, among other related functions. The HECU in these vehicles may have been produced by the supplier with a condition that can result in an internal brake fluid leak. If an internal brake fluid leak occurs, the vehicle's EPB light, ABS light, ESC light, Auto-Hold light, and/or Forward Collision Avoidance Assist light may illuminate, or a Smart Cruise Control (SCC) warning message may appear on the instrument cluster. If this occurs, EPB, ESC, and Auto Hold functions may be disabled.
SC252_TSB2022-12-20. Service bulletin. SERVICE BRAKES, HYDRAULIC; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); FORWARD COLLISION AVOIDANCE; PARKING BRAKE; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: HECU INSPECTION /REPLACEMENT (SC252A/B/C) - This bulletin provides information to inspect and, if necessary, replace the Hydraulic Electronic Control Unit (HECU) on certain K5 (DL3a) and Telluride (ON) and Sorento (MQ4a) vehicles produced on the dates shown in Table below. The HECU in the subject vehicles may have been produced with a condition that can result in an internal brake fluid leak. If an internal brake fluid leak occurs, the Electronic Parking Brake (EPB) light, Anti-Lock Brake System (ABS) light, Electronic Stability Control (ESC) light, Auto-Hold light and/or Forward Collision-Avoidance Assist (FCA) light may illuminate, or a Smart Cruise Control (SCC) warning message may appear on the instrument cluster. If this occurs, EPB, ESC and Auto-Hold functions may be disabled
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.
TSB_BOD3122022-12-06. Service bulletin. STRUCTURE. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: MULTI-POINT TRIM INSPECTION AND REPLACEMENT (SA516) - This bulletin provides information to inspect for looseness and damage of the Multi-Sensor Cover, Door Belt Outside Weatherstrip, and Windshield Garnish on some 2022-2023MY Sorento (MQ4a) produced from February 1, 2022 through November 9. 2022, and 2023 Sportage (NQ5a) vehicles produced from February 15, 2022 to November 9, 2022. Kia is requesting the completion of this Service Action on all affected vehicles in dealer stock, prior to delivery.
TSB_ELE2692022-11-02. Service bulletin. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; ELECTRICAL SYSTEM; LANE DEPARTURE. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: MULTIFUNCTION CAMERA REPLACEMENT (SA511) - This bulletin provides information to replace the Multifunction Camera (MFC) assembly on some 2022MY Sorento vehicles produced by Kia Georgia (MQ4a) from October 10, 2022 through October 12, 2022. Some MFC assemblies contain software that may not activate haptic feedback or audibly alert the driver when lane departure is detected, although visual lane departure alerts on the instrument cluster continue to function if the Lane Departure Warning (LDW) is enabled by the driver. This issue does not affect other driver assistance features, such as Lane Keeping Assist (LKA), Smart Cruise Control (SCC), Highway Driving Assist (HDA), or Forward Collision Avoidance Assist (FCA), if equipped on the vehicle and enabled by the driver.
PS719_R12022-09-30. Service bulletin. ENGINE AND ENGINE COOLING. PITSTOP: POTENTIAL LOW OIL PRESSURE DUE TO FILTER DRAIN PLUG THAT WAS LEFT IN FILTER - 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. Attention Dealership Service Managers, Service and Lube Techs, pay particular attention to this information. This Pitstop provides information regarding potential engine damage if the proper procedures are not followed during an oil change on the vehicles listed above equipped with 2.5L/2.5L-T GDI Theta III engines. Prior to installing: The oil filter service kit should be inspected for missing parts, if any of the parts are missing from the oil filter kit, inspect the oil filter carefully as parts can be dislodged during shipping.
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.
TSB_TRA101_R12022-09-09. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: 8-SPEED DUAL CLUTCH TRANSMISSION (DCT) S/W LOGIC IMPROVEMENT (SA502) - 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 logic of the A/T system on certain 2021-2023MY K5 (DL3a) and 2021-2022MY Sorento (MQ4a) vehicles equipped with Theta 2.5L T-GDI engine and 8-Speed DCT. The affected vehicles may exhibit an abnormal shifting condition while driving, due to the amount of clutch oil flow consumption immediately after starting. In some cases, the cluster may display a transmission error message and/or MIL ON with DTC P086800 stored.
TSB_TRA1012022-09-01. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: 8-SPEED DUAL CLUTCH TRANSMISSION (DCT) S/W LOGIC IMPROVEMENT (SA502) - This bulletin provides information to update the software logic of the A/T system on certain 2021-2023MY K5 (DL3a) and 2021-2022MY Sorento (MQ4a) vehicles equipped with Theta 2.5L T-GDI engine and 8-Speed DCT. The affected vehicles may exhibit an abnormal shifting condition while driving, due to the amount of clutch oil flow consumption immediately after starting. In some cases, the cluster may display a transmission error message and/or MIL ON with DTC P086800 stored.
TSB_TRA1042022-08-26. Service bulletin. POWER TRAIN. TECHNICAL SERVICE BULLETIN: 8-SPEED WDCT REPLACEMENT INSTRUCTIONS - This bulletin provides information to clear the line pressure information stored in the Transmission Control Module (TCM) prior to replacement of the reman transmission assembly on some 2021MY~ Sorento (MQ4a) and K5 (DL3a) vehicles, equipped with Theta III 2.5 T-GDI engine which may set transmission DTC(s) or have an external/internal leak condition or other concern.
TSB_ELE209_R32022-08-18. Service bulletin. ELECTRICAL SYSTEM. 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 reminder alert that will display on the instrument cluster. The KDS is required to change the setting from "Workshop" to "Customer Mode."
PS672_R12022-08-18. Service bulletin. ELECTRICAL SYSTEM; SEATS. 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 black bar in the margin area. This Pitstop provides information regarding the Rear Occupant Alert (ROA) with Rear Door Logic system on all 21MY~ models equipped with this feature. This system is designed to help prevent a rear passenger from being left inside the vehicle when exiting. The "Check Rear Seats" message will display on the cluster when driver opens the front door, if during vehicle operation the rear doors (one or both) were opened and closed.
TSB_BOD3082022-08-03. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: REAR CORNER RADAR UNIT BODY SEALER INSPECTION & REPAIR (SA503) - This bulletin provides information to inspect both rear (LH & RH) corner radar unit mounting body sealer surface on some 2021-2022MY Sorento (MQ4a) vehicles equipped with rear Blind Spot Detection (BSD) System, produced from November 30, 2021 through June 30, 2022, which may have excess body sealer applied during assembly causing improper mounting angle of the rear corner radar unit. An improperly mounted rear radar unit may cause the vehicle to exhibit a MIL 'ON' with DTC C270954. Follow the procedure outlined in this publication to inspect and, if necessary, file down the seam sealer behind the bracket.
TSB_ELE044_R32022-05-04. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: HIGH-VOLTAGE BATTERY ORDERING AND RETURN 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 outlines the ordering and return procedure for high-voltage Lithium-ion batteries equipped on EV/hybrid vehicles (hereafter referred to as "high-voltage batteries" or HVBs).
PS613_R12022-04-01. Service bulletin. ELECTRICAL SYSTEM. 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 indicated by a black bar in the margin area. This pitstop provides the KDS service procedure for mileage setting on the models listed below with newly replaced instrument clusters. Certain models allow for mileage setting with the KDS, which prevents the need to send out the instrument cluster to a 3rd party for mileage adjustment (refer to PS264). After a new cluster is installed, cluster (variant) coding may also need to be conducted using the KDS. Make sure the KDS software is also updated to the latest version. Mileage setting should be performed by using the KDS only, as described in this bulletin.
TSB_TRA1002022-02-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN:CLUTCH ASSEMBLY; POWER TRAIN. TECHNICAL SERVICE BULLETIN: 8 SPEED WET DUAL CLUTCH TRANSMISSION (WDCT) JUDDER EVALUATION - This bulletin provides information to inspect for judder in the 8-speed Wet Dual Clutch Transmission (WDCT) and possibly replace the Dual Clutch Assembly on some 2021MY~ K5 GT (DL3a) vehicles produced from November 16, 2020 and later and Sorento EX trim and above (MQ4a) non-hybrid vehicles, produced from October 26, 2020 and later, which may exhibit clutch judder. If the vehicle body vibrates without the steering wheel shuddering when performing the creep driving test (driving the vehicle up to 3mph), the vehicle is exhibiting clutch judder. The creep test can be conducted by driving at a speed slower than 5 mph after releasing the brake.
TSB_ENG2352022-02-04. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). TECHNICAL SERVICE BULLETIN: AIR INTAKE SYSTEM CLEANING, PCV VALVE & AIR FILTER REPLACEMENT DUE TO OIL CONTAMINATION - This bulletin provides information regarding the air intake system which may become contaminated with oil due to a faulty Positive Crankcase Ventilation (PCV) check valve on some 2021-2022MY Sorento (MQ4a) vehicles equipped with Theta III 2.5L T-GDI engine, produced from September 10, 2020 through October 2, 2021, which may allow engine oil to enter the air intake system and contaminate the engine air filter with oil.
PS576_R22022-02-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. PITSTOP: BATTERY DEALER (SHIPPING)/CUSTOMER MODE SWITCH - 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 Pitstop provides information regarding a new interface related to the electronic Dealer (Shipping) / Customer Mode Switch setting on all applicable models.
TSB_GEN0952022-01-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT; EQUIPMENT:OTHER:LABELS; FUEL SYSTEM, GASOLINE. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: REVISION OF FUEL TANK VOLUME IN PRINTED OWNER'S MANUAL (SA487) - This bulletin provides information to replace incorrect information of the fuel tank volume in the printed Owner's Manual of 2022MY Sorento PHEV (MQ4 PHEV) vehicles produced from June 30, 2021 through October 22, 2021. Follow the procedure outlined in this publication to apply a sticker with the correct information in Chapter 9 (Specification & Consumer Information) of the Owner's Manual.

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