# Service bulletin CS2301\_TSB\_R4

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.

- Type: Service bulletin
- NHTSA id: 11001590
- Published by NHTSA: 2024\-06\-12
- Manufacturer's number: CS2301\_TSB\_R4
- Manufacturer's date: 2024\-06\-05
- Campaign id or software version: CS2301
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI\-THEFT S/W LOGIC UPGRADE \& DECAL INSTALLATION \(CS2301\) \- 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 some 2021\-2022MY K5 vehicles produced from March 27, 2020 through December 21, 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 with the use of the key fob.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11001590-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11001590-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Vehicles listed

- 2021 to 2022 KIA K5

## Other bulletins for the same vehicles and component

- [SC307\_REIMB](/bulletins/11033989.md), 2026-06-18, Service campaign: ELECTRICAL SYSTEM. VOLUNTARY SERVICE CAMPAINGN: REIMBURSEMENT FORM \(SC307 Flight\#301\) \- 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 Voluntary Service Campaign program launch.
- [SC307\_OWNR\_301](/bulletins/11033978.md), 2026-06-18, Service campaign: ELECTRICAL SYSTEM. VOLUNTARY SERVICE CAMPAIGN \& WARRANTY EXTENSION CAMPAIGN: OWNER RENOTIFICATION \(SC307/WTY037\) \- This document is the owner renotification advising that Kia is conducting a Voluntary Service Campaign to relocate and install an improved blower motor 40amp fuse, with an increased terminal width, within the front wiring harness fuse box assembly in certain 2021\-2022 MY K5 vehicles that were originally sold in or are currently registered in one of the 7 high\-heat states \(AZ, FL, HI, LA, MS, NV, and TX\). In addition, Kia is extending the New Vehicle Limited Warranty coverage to all owners for repairs related to the HVAC blower motor in 2021\-2022 MY K5 vehicles from 5 years / 60,000 miles to 15 years / 180,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
- [TSB\_ELE422](/bulletins/11033217.md), 2026-06-03, 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\_ELE417](/bulletins/11031906.md), 2026-05-01, 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.
- [SC288\_TSB\_R6\_CLSD](/bulletins/11027856.md), 2026-01-28, Emissions: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: FUEL TANK AND/OR PCSV CHECK VALVE INSPECTION/REPLACEMENT \+ ECU SW UPGRADE \(SC288/SC288A\) CLOSED \& SUPERSEDED \- This bulletin is now closed and superseded by SC356. This bulletin provided information to inspect the fuel evaporative system and, if necessary, replace the fuel tank and/or the Purge Control Solenoid Valve \(PCSV\) check valve on certain 2021\-2024MY K5 \(DL3a\) vehicles equipped with a Gamma II 1.6L T\-GDI engine, produced from March 27, 2020 through January 23, 2024. This bulletin also provides information to upgrade the ECU software logic. The subject vehicles may experience fuel tank swelling due to an issue with the PCSV check valve, which results in pressurized air to flow into the fuel tank. This may cause the Check Engine Light to illuminate, and in some cases, the engine to run rough, and/or an inability to refuel. These conditions may cause the vehicle to release air pollutant which exceed Federal and California standards.
- [TSB\_ENG260](/bulletins/11025760.md), 2025-12-01, Service bulletin: ENGINE; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: ITM REPLACEMENT AND ECM LOGIC IMPROVEMENT \(CA2511\) \- This bulletin provides information to replace the Integrated Thermal Management Module \(ITM\) and then upgrade the Engine Control Module ‘ECM’ system software on certain K5 \(DL3a\) vehicles, in the event the Multifunction Indicator Lamp \(MIL\) is illuminated with DTC\(s\) P218100, P2181F0, and/or P2181F1 stored. This condition may occur due to degradation of the diaphragm inside the ITM. There are no drivability or other symptoms associated with this condition.
- [SC288\_OWNR\_301](/bulletins/11024347.md), 2025-10-17, Emissions: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER RENOTIFICATION \(SC288 FLIGHT 301\) \- This document is the owner renotification advising that Kia is conducting a Voluntary Emissions Service Campaign on certain 2021\-2024 MY K5 vehicles equipped with 1.6L Turbo Gas Direct Injection \(GDI\) engines to improve the logic in the Electronic Control Module \(ECM\) to ensure compliance with emissions regulations. Also, the subject vehicles will be inspected and, if necessary, the fuel tank and/or the Purge Control Solenoid Valve \(PCSV\) check valve will be replaced with a new one.
- [SC288A\_OWNR](/bulletins/11020864.md), 2025-07-23, Emissions: FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION \(SC288A\) \- This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign on certain 2021\-2024 MY K5 vehicles equipped with 1.6L Turbo Gas Direct Injection \(GDI\) engines to improve the logic in the Electronic Control Module \(ECM\) to ensure compliance with emissions regulations. Also, the subject vehicles will be inspected and, if necessary, the fuel tank and/or the Purge Control Solenoid Valve \(PCSV\) check valve will be replaced with a new one.
- [SC288\_OWNR\_103](/bulletins/11019682.md), 2025-06-24, Emissions: FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION \(SC288\) \- This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign on certain 2021\-2024 MY K5 vehicles equipped with 1.6L Turbo Gas Direct Injection \(GDI\) engines to improve the logic in the Electronic Control Module \(ECM\) to ensure compliance with emissions regulations. Also, the subject vehicles will be inspected and, if necessary, the fuel tank and/or the Purge Control Solenoid Valve \(PCSV\) check valve will be replaced with a new one.
- [SC288\_TSB\_R6](/bulletins/11019657.md), 2025-06-19, Emissions: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: FUEL TANK AND/OR PCSV CHECK VALVE INSPECTION/ REPLACEMENT \+ ECU SW UPGRADE \(SC288/SC288A\) \- 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 the fuel evaporative system and, if necessary, replace the fuel tank and/or the Purge Control Solenoid Valve \(PCSV\) check valve on certain 2021\-2024MY K5 \(DL3a\) vehicles equipped with a Gamma II 1.6L T\-GDI engine, produced from March 27, 2020 through January 23, 2024. This bulletin also provides information to upgrade the ECU software logic. This bulletin provides information to inspect the fuel evaporative system and, if necessary, replace the fuel tank and/or the Purge Control Solenoid Valve \(PCSV\) check valve on certain 2021\-2024MY K5 \(DL3a\) vehicles equipped with a Gamma II 1.6L T\-GDI engine, produced from March 27, 2020 through January 23, 2024. This bulletin also provides information to upgrade the ECU software logic.

JSON: [/v1/bulletins/11001590](/v1/bulletins/11001590)

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