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Service bulletins for the 2021 Kia Soul

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.

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

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Bulletins, newest first
CS2306_TSB_R22023-08-02. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2306) - 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 upgrade the software logic of the Integrated Body Control Unit (IBU) or Body Control Module (BCM) system on certain 2020-2022MY Soul (SK3) vehicles produced from November 24, 2018 through December 11, 2021, which may not be equipped with an immobilizer. This logic upgrade will add anti-theft ignition start logic to the vehicle's system operation which activates when the vehicle is locked.
CS2310_TSB2023-08-02. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN CUSTOMER SATISFACTION: KIA GENUINE REMOTE START CONTROL MODULE UPGRADE FOR ANTI-THEFT LOGIC COMPATIBILITY (CS2310) - This bulletin provides information to update the software logic in the Kia Genuine Remote Start Control Module on certain 2012-2022MY model vehicles listed on page 6. Vehicles equipped with a Kia Genuine Remote Start feature and have had the Anti-Theft software logic (CS230*) applied to the Integrated Body Control Unit (IBU) or Body Control Module (BCM) may experience five (5) inadvertent honks after starting the vehicle with the remote start feature.
TSB_TRA102_R12023-07-05. Service bulletin. POWER TRAIN. TECHNICAL SERVICE BULLETIN: IVT SOFTWARE LOGIC IMPROVEMENT AND/OR IVT REPLACEMENT - This bulletin provides the procedure to update the Transmission Control Module (TCM) software logic and, if necessary, replace the Intelligent Variable Transmission (IVT) assembly on certain 2019-2021MY model vehicles listed in the chart below, which may exhibit an MIL ON with the DTC(s) listed below and a lack/delay in acceleration due to transmission slippage.
SC199_TSB_R42023-07-05. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). VOLUNTARY EMISSIONS SERVICE CAMPAIGN: IVT SOFTWARE LOGIC IMPROVEMENT AND/OR IVT REPLACEMENT (SC199) - 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 was previously referred as ‘SA424’ or ‘ELE 200’.) This bulletin provides the procedure to update the Transmission Control Module (TCM) software logic and, if necessary, replace the Intelligent Variable Transmission (IVT) on certain 2019-2021MY vehicles listed in the chart below. The affected vehicles may exhibit the illumination of MIL with the DTC(s) listed below in addition to a lack of acceleration or delay in accelerating due to transmission slippage.
TSB_BOD3142023-06-01. Service bulletin. STRUCTURE; LATCHES/LOCKS/LINKAGES:DOORS:LOCK; STRUCTURE:INTERIOR PANELS:SUN VISOR; INTERIOR LIGHTING. TECHNICAL SERVICE BULLETIN: OVERHEAD CONSOLE SUNGLASS DOOR-LATCH REPAIR - This bulletin provides information to repair the overhead console lamp assembly and sunglass door latch on some 2012-2023MY model vehicles listed in the table below, which may encounter the sunglass case of the overhead console lamp not closing properly.
CS2306_TSB_R12023-05-26. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2306) - 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 upgrade the software logic of the Integrated Body Control Unit (IBU) or Body Control Module (BCM) system on certain 2020-2022MY Soul (SK3) vehicles produced from November 24, 2018 through December 11, 2021, which may not be equipped with an immobilizer. This logic upgrade will add anti-theft ignition start logic to the vehicle's system operation which activates when the vehicle is locked.
PS677_R22023-04-28. Service bulletin. ELECTRICAL SYSTEM. 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 indicated by a black bar in the margin area. This Pitstop contains information regarding the log file collection procedure for 2020MY~ models equipped with AVN 5.0/W or Display Audio 2.0 head units.
CS2306_TSB2023-04-22. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2306) - This bulletin provides the procedure to upgrade the software logic of the Integrated Body Control Unit (IBU) or Body Control Module (BCM) system on certain 2020-2022MY Soul (SK3) vehicles produced from November 24, 2018 through December 11, 2021, which may not be equipped with an immobilizer. This logic upgrade will add anti-theft ignition start logic to the vehicle's system operation.
CS2306L_OWNRSK32023-04-06. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR; EQUIPMENT. CUSTOMER SATISFACTION CAMPAIGN: OWNER NOTIFICATION - This document is the owner notification advising that Kia is now making steering wheel lock devices available directly to certain Kia vehicle owners. These devices can help deter a theft attempt. We are making this device available to customers free of charge and will ship it directly to customers who place orders within eighteen (18) months from the date of this letter.
TSB_CHA104_R12023-02-02. Service bulletin. SERVICE BRAKES, HYDRAULIC; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). TECHNICAL SERVICE BULLETIN: BRAKE AIR BLEEDING PROCEDURE FOR ESC HONKING 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 regarding the brake air bleeding procedure for 2020MY~ Soul (SK3) vehicles equipped with Electronic Stability Control (ESC) module which may exhibit a "honk" noise when using Idle Stop and Go (ISG) and/or Hill Start Assist Control (HAC).
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_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.
SC199_TSB_R32022-08-20. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: IVT SOFTWARE LOGIC IMPROVEMENT AND/OR IVT REPLACEMENT (SC199) - 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 was previously referred as 'SA424' or 'ELE 200'.) This bulletin provides the procedure to update the Transmission Control Module (TCM) software logic and, if necessary, replace the Intelligent Variable Transmission (IVT) on certain 2019-2021MY vehicles listed in the chart below. The affected vehicles may exhibit the illumination of MIL with the DTC(s) listed below in addition to a lack of acceleration or delay in accelerating due to transmission slippage.
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_ENG227_R22022-08-03. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: MIL ON DTC P0605 AND/OR P2181 ECM LOGIC IMPROVEMENT (SA463) - 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 Engine Control Module (ECM) on some 2020-2021MY Soul (SK3) vehicles and 2021MY Seltos (SP2) vehicles produced in the date ranges shown below, equipped with NU 2.0L ATK engines, which may exhibit engine starting related DTC P0605 and/or thermostat related DTC P2181.
SC199_TSB_R22022-08-03. Service bulletin. POWER TRAIN. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: IVT SOFTWARE LOGIC IMPROVEMENT AND/OR IVT REPLACEMENT (SC199) - 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 was previously referred as 'SA424' or 'ELE 200'.) This bulletin provides the procedure to update the Transmission Control Module (TCM) software logic and, if necessary, replace the Intelligent Variable Transmission (IVT) on certain 2019-2021MY vehicles listed in the chart below. The affected vehicles may exhibit the illumination of MIL with the DTC(s) listed below in addition to a lack of acceleration or delay in accelerating due to transmission slippage.
PS7312022-06-03. Service bulletin. ENGINE AND ENGINE COOLING. PITSTOP: DTC P0011/ P0014/ P0016/ P0017 DUE TO INCORRECT CAMSHAFT RELUCTOR WHEEL CONFIGURATION - This Pitstop provides information on some 2010-2013MY Soul (AM), 2014-2019MY Soul (PS), and 2020~MY Soul (SK3) vehicles equipped with the engines listed below, which may set DTC P0011, P0014, P0016, or P0017 after an engine replacement. If these DTCs were not present prior to engine replacement, the camshaft reluctor wheel (also called pulse wheel) may not be in the correct position when engine is at Top Dead Center and may be sending an erroneous signal to the PCM, causing the DTC. Follow the procedure outlined in this publication, with engine set to Top Dead Center (TDC), to inspect and identify whether the reluctor wheel is correctly clocked on the camshaft, and if not, how to correctly position it.
TSB_TRA1022022-05-04. Service bulletin. POWER TRAIN. TECHNICAL SERVICE BULLETIN: IVT SOFTWARE LOGIC IMPROVEMENT AND/OR IVT REPLACEMENT - This bulletin provides the procedure to update the Transmission Control Module (TCM) software logic and, if necessary, replace the Intelligent Variable Transmission (IVT) assembly on certain 2019-2021MY model vehicles listed in the chart below, which may exhibit an MIL ON with the DTC(s) listed below and a lack/delay in acceleration due to transmission slippage. To correct this concern, if necessary, apply the improved software logic to the CVT system using the KDS ECU Upgrade function as described in this bulletin and replace the IVT assembly.
SC209Y_TSB_R12022-05-04. Service bulletin. ENGINE AND ENGINE COOLING. SUBSEQUENT REPAIR ACTION: ENGINE REPLACEMENT INSTRUCTIONS FOR PISTON RING NOISE DTC P1327 (SC209Y) - 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 related to the Technical Service Bulletin previously published in (SC209A) titled "ECM Logic Improvement for Piston Ring Noise Sensing System". If DTC P1327 is present after the ECM Logic Improvement is performed per SC209A, follow the instructions in this bulletin to replace the engine long block.
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_ENG222_R62022-03-31. Service bulletin. ENGINE AND ENGINE COOLING. 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 bulletin are indicated by a black bar in the margin area. This bulletin provides information on diagnosing and/or repairing some 2011-2021MY vehicles (refer to the tables on pages 8-9 for applicable models and engine), which may exhibit a symptom of excessive oil consumption.
SC209Y_TSB2022-03-31. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. SUBSEQUENT REPAIR ACTION: ENGINE REPLACEMENT INSTRUCTIONS FOR PISTON RING NOISE DTC P1327(SC209Y) - This bulletin provides information related to the Technical Service Bulletin previously published in (SC209A) titled "ECM Logic Improvement for Piston Ring Noise Sensing System". If DTC P1327 is present after the ECM Logic Improvement is performed per SC209A, follow the instructions in this bulletin to replace the engine long block.
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_ENG227_R12022-01-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:FLUID/COOLANT. TECHNICAL SERVICE BULLETIN - SERVICE ACTION: MIL ON DTC P0605 AND/OR P2181 ECM LOGIC IMPROVEMENT (SA463) - 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 Engine Control Module (ECM) on some 2020-2021MY Soul (SK3) vehicles produced from November 24, 2018 through January 4, 2021 and 2021MY Seltos (SP2) vehicles produced from November 20, 2019 through January 12, 2021, equipped with NU 2.0L ATK engines, which may exhibit engine poor starting related DTC P0605 and/or thermostat related DTC P2181.

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