# Service bulletin TSB\_TRA046\_R3

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: 10226555
- Published by NHTSA: 2022\-12\-06
- Manufacturer's number: TSB\_TRA046\_R3
- Manufacturer's date: 2022\-11\-18
- NHTSA component: POWER TRAIN

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10226555-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10226555-9999.pdf)

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

## Components

Transmission and driveline

## Vehicles listed

- 2014 to 2020 KIA CADENZA
- 2021 KIA CARNIVAL
- 2022 to 2023 KIA CARNIVAL
- 2022 to 2023 KIA EV6
- 2010 to 2023 KIA FORTE
- 2010 to 2015 KIA FORTE KOUP
- 2016 to 2017 KIA FORTE KOUP
- 2021 to 2023 KIA K5
- 2014 KIA K900
- 2015 to 2020 KIA K900
- 2017 to 2023 KIA NIRO
- 2019 to 2023 KIA NIRO EV
- 2017 KIA NIRO HYBRID
- 2022 to 2023 KIA NIRO HYBRID
- 2017 to 2023 KIA NIRO PHEV
- 2006 to 2020 KIA OPTIMA
- 2011 to 2020 KIA OPTIMA HYBRID
- 2006 to 2023 KIA RIO
- 2011 to 2012 KIA SEDONA
- 2014 to 2021 KIA SEDONA
- 2021 to 2023 KIA SELTOS
- 2011 to 2023 KIA SORENTO
- 2021 to 2023 KIA SORENTO HYBRID
- 2022 to 2023 KIA SORENTO PHEV
- 2010 to 2023 KIA SOUL
- 2014 to 2020 KIA SOUL EV
- 2005 to 2023 KIA SPORTAGE
- 2023 KIA SPORTAGE HYBRID
- 2023 KIA SPORTAGE PHEV
- 2018 to 2023 KIA STINGER
- 2020 to 2023 KIA TELLURIDE
- 2018 KIA redundant NIRO

## Recalls for the same vehicles and component

- [24V271000](/recalls/nhtsa/24V271000.md), 2024-04-16: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
- [2024187](/recalls/tc/2024187.md), 2024-03-22: Powertrain
- [24V214000](/recalls/nhtsa/24V214000.md), 2024-03-20: POWER TRAIN:DRIVELINE:DRIVESHAFT
- [2024054](/recalls/tc/2024054.md), 2024-01-31: Powertrain
- [24V057000](/recalls/nhtsa/24V057000.md), 2024-01-31: POWER TRAIN:DRIVELINE:DRIVESHAFT
- [2023582](/recalls/tc/2023582.md), 2023-10-27: Powertrain
- [23V724000](/recalls/nhtsa/23V724000.md), 2023-10-26: POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION \(PRNDL\); ELECTRICAL SYSTEM:SOFTWARE
- [2023423](/recalls/tc/2023423.md), 2023-08-01: Powertrain
- [2023421](/recalls/tc/2023421.md), 2023-08-01: Powertrain
- [23V534000](/recalls/nhtsa/23V534000.md), 2023-07-31: POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:CLUTCHES/BANDS:ACTUATORS/SOLENOIDS

## Other bulletins for the same vehicles and component

- [TSB\_CHA129\_R1](/bulletins/11037610.md), 2026-09-30, Service bulletin: POWER TRAIN. TECHNICAL SERVICE BULLETIN: AWD COUPLER NOISE/VIBRATION LOGIC IMPROVEMENT \(Revision 1\) \- 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 upgrade the 4\-Wheel Drive ‘4WD’ system software on some 2020\-2025MY Telluride \(ON\) vehicles produced from January 08, 2019 through December 17, 2025. The affected vehicles may exhibit a noise and/or a vibration, shudder, jerking, binding, or chattering sensation while turning at low speeds \(10MPH – 15MPH\). This concern may be caused by decreased oil friction within AWD coupling due to continuous vehicle operation in harsh conditions \(high/low ambient temperatures, extended duration/distance driving\).
- [TSB\_CHA128\_CLSD](/bulletins/11032907.md), 2026-05-23, Service bulletin: POWER TRAIN. TECHNICAL SERVICE BULLETIN: 4WD COUPLING NOISE/VIBRATION LOGIC IMPROVEMENT\) \- CLOSED \& SUPERSEDED BY CHA129 \- This bulletin is now closed and superseded by CHA129. This bulletin provides information to upgrade the 4\-Wheel Drive ‘4WD’ system software on certain 2020\-2022MY Telluride \(ON\) vehicles produced from January 09, 2019 through September 01, 2022. The affected vehicles may exhibit a noise and/or a vibration, shudder, jerking, binding, or chattering while turning at low speeds \(10MPH – 15MPH\) located from the 4WD coupling caused by a decrease in the oil friction of the 4WD coupling due to continuous vehicle operation in harsh conditions \(high/low ambient temperatures, long time/distance traveling\).
- [TSB\_CHA129](/bulletins/11032906.md), 2026-05-23, Service bulletin: POWER TRAIN. TECHNICAL SERVICE BULLETIN: AWD COUPLER NOISE/VIBRATION LOGIC IMPROVEMENT \- This bulletin provides information to upgrade the 4\-Wheel Drive ‘4WD’ system software on some 2020\-2025MY Telluride \(ON\) vehicles produced from January 08, 2019 through December 17, 2025. The affected vehicles may exhibit a noise and/or a vibration, shudder, jerking, binding, or chattering sensation while turning at low speeds \(10MPH – 15MPH\). This concern may be caused by decreased oil friction within AWD coupling due to continuous vehicle operation in harsh conditions \(high/low ambient temperatures, extended duration / distance driving\).
- [SC199\_OWNR\_SP2\_3](/bulletins/11029040.md), 2026-02-25, Emissions: POWER TRAIN; ELECTRICAL SYSTEM. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER RENOTIFICATION \(SC199 FL301\) \- This document is the owner renotification advising that Kia is conducting Voluntary Service Campaign to update the software programming on the Transmission Control Module \(TCM\) and, if necessary, replace the Intelligent Variable Transmission \(IVT\) on certain 2021 MY Seltos vehicles.
- [SC199\_OWNR\_SK3\_3](/bulletins/11029039.md), 2026-02-25, Emissions: ELECTRICAL SYSTEM; POWER TRAIN. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER RENOTIFICATION \(SC199 FL301\) \- This document is the owner renotification advising that Kia is conducting Voluntary Service Campaign to update the software programming on the Transmission Control Module \(TCM\) and, if necessary, replace the Intelligent Variable Transmission \(IVT\) on certain 2020\-2021 MY Soul vehicles.
- [SC199\_OWNR\_BD\_3](/bulletins/11029037.md), 2026-02-25, Emissions: POWER TRAIN; ELECTRICAL SYSTEM. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER RENOTIFICATION \(SC199 FL301\) \- This document is the owner renotification advising that Kia is conducting Voluntary Service Campaign to update the software programming on the Transmission Control Module \(TCM\) and, if necessary, replace the Intelligent Variable Transmission \(IVT\) on certain 2019\-2020 MY Forte vehicles.
- [SC345Z\_TSB](/bulletins/11024346.md), 2025-10-17, Service bulletin: POWER TRAIN. TECHNICAL SERVICE BULLETIN: SUBSEQUENT REPAIR ACTION: FRONT MOTOR REDUCTION GEAR ASSEMBLY REPLACEMENT \(SC345Z\) \- This bulletin provides information regarding grinding or whining noise coming from the front motor reduction gear assembly after replacing the oil under SC345 \(published in August 2025\) on certain 2023\-2024MY Niro EV \(SG2 EV\) vehicles produced from December 12, 2022 through February 7, 2024 and EV6 \(CV\) vehicles produced from December 14, 2022 through February 22, 2024. In rare cases, the front motor reduction gear assembly may exhibit noise after having the oil replaced.
- [TSB\_TRA112](/bulletins/11023106.md), 2025-09-12, Service bulletin: POWER TRAIN. TECHNICAL SERVICE BULLETIN: TRANSAXLE ASSEMBLY REPLACEMENT \& HCU LOGIC IMPROVEMENT \- This bulletin provides information to replace the transaxle assembly and upgrade the Hybrid Control Unit Low\-Voltage DC Converter \(HCULDC\) software on some 2022\-2024MY Sorento Plug\-In Hybrid \(MQ4 PHEV\) vehicles equipped with a 1.6L T\-GDI engine and All\-Wheel Drive \(AWD\), produced from June 29, 2021 through January 10, 2024. Some vehicles may experience an illuminated Malfunction Indicator Lamp \(MIL\) with DTC P0C4E00 stored, accompanied by a rough transition when the vehicle switches between EV and HEV motive power.
- [SC345\_TSB](/bulletins/11022351.md), 2025-09-02, Service bulletin: POWER TRAIN. TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN FRONT MOTOR REDUCTION GEAR OIL REPLACEMENT \(SC345\) \- This bulletin provides information to replace the front motor reduction gear assembly gear oil on certain 2023\-2024MY Niro EV \(SG2 EV\) vehicles produced from December 12, 2022 through February 7, 2024 and EV6 \(CV\) vehicles produced from December 14, 2022 through February 22, 2024. During the production of the subject vehicles, the amount of gear oil in the front motor and reduction gear assembly may have been filled below factory specification. If the gear oil level is lower than Kia’s factory specifications, the subject vehicles may eventually produce a grinding noise or whining noise from the front of the vehicle while driving.
- [SC345\_QA](/bulletins/11021988.md), 2025-08-20, Service campaign: POWER TRAIN. VOLUNTARY SERVICE CAMPAIGN: QUESTION AND ANSWER \(SC345\) \- This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Service Campaign SC.

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