# Service bulletin PS750

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: 10242913
- Published by NHTSA: 2023\-10\-01
- Manufacturer's number: PS750
- Manufacturer's date: 2023\-09\-25
- NHTSA component: POWER TRAIN; STEERING; SUSPENSION

## NHTSA's summary

PITSTOP: AWD SYSTEM CONCERN DUE TO TIRE CIRCUMFERENCE \- This Pitstop provides information regarding potential concerns with the All\-Wheel\-Drive \(AWD\) system due to tire sizes of differing circumference. Some customers may complain of a chatter sensation felt in the drivetrain of the vehicle and/or the failure of drivetrain component\(s\). A difference in tire size \(width, aspect ratio, construction, rim diameter etc.\) may be the cause.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10242913-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10242913-9999.pdf)

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

## Components

Steering, Suspension, Transmission and driveline

## Vehicles listed

- 2022 to 2024 KIA EV6
- 2021 to 2024 KIA K5
- 2021 to 2024 KIA SELTOS
- 2011 to 2023 KIA SORENTO
- 2021 to 2023 KIA SORENTO HYBRID
- 2022 KIA SORENTO PHEV
- 2011 to 2024 KIA SPORTAGE
- 2023 KIA SPORTAGE HYBRID
- 2023 KIA SPORTAGE PHEV
- 2018 to 2023 KIA STINGER
- 2020 to 2024 KIA TELLURIDE

## Recalls for the same vehicles and component

- [24V422000](/recalls/nhtsa/24V422000.md), 2024-06-07: STEERING:ELECTRIC POWER ASSIST SYSTEM
- [2024187](/recalls/tc/2024187.md), 2024-03-22: Powertrain
- [24V214000](/recalls/nhtsa/24V214000.md), 2024-03-20: POWER TRAIN:DRIVELINE:DRIVESHAFT
- [2024072](/recalls/tc/2024072.md), 2024-02-08: Powertrain
- [2024054](/recalls/tc/2024054.md), 2024-01-31: Powertrain
- [24V057000](/recalls/nhtsa/24V057000.md), 2024-01-31: POWER TRAIN:DRIVELINE:DRIVESHAFT
- [2023421](/recalls/tc/2023421.md), 2023-08-01: Powertrain
- [23V531000](/recalls/nhtsa/23V531000.md), 2023-07-31: POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:PUMP
- [2022580](/recalls/tc/2022580.md), 2022-10-12: Powertrain
- [22V760000](/recalls/nhtsa/22V760000.md), 2022-10-11: POWER TRAIN:AUTOMATIC TRANSMISSION

## Other bulletins for the same vehicles and component

- [WTY047\_REIMB](/bulletins/11038193.md), 2026-10-06, Warranty extension: SUSPENSION. WARRANTY EXTENSION CAMPAIGN: REIMBURSEMENT FORM \(WTY047\) \- 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.
- [WTY047\_TSB](/bulletins/11037624.md), 2026-10-01, Service bulletin: SUSPENSION. TECHNICAL SERVICE BULLETIN: WARRANTY EXTENSION CAMPAIGN: REAR SHOCK ABSORBER INSPECTION \& REPLACEMENT \(WTY047\) \- This bulletin provides information associated with the ‘Warranty Extension Program’ \(WTY047\) to inspect, and if necessary, replace one or both left and right rear shock absorber assemblies on certain 2023\-2025MY Sportage \(NQ5\), Sportage Hybrid \(NQ5 HEV\), and Sportage Plug\-in Hybrid \(NQ5 PHEV\) vehicles listed in the table below and were originally sold or are currently registered in one of the 28 states where heavy amounts of road salt are used. The 28 states where heavy amounts of road salt are used are: AK, CT, DC, DE, IA, IL, IN, KS, KY, MA, MD, ME, MI, MN, MO, ND, NE, NH, NJ, NY, OH, PA, RI, SD, UT, VT, WI and WV. The warranty coverage for repairs related to the replacement of the rear shock absorbers due to corrosion or oil leakage will be extended from 5 years / 60,000 miles to 7 years / 90,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
- [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 \(high/low ambient temperatures, extended duration/distance driving\).
- [WTY047\_REIMB](/bulletins/11037530.md), 2026-09-28, Warranty extension: SUSPENSION. WARRANTY EXTENSION CAMPAIGN: REIMBURSEMENT FORM \(WTY047\) \- 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.
- [WTY047\_OWNR](/bulletins/11037529.md), 2026-09-28, Warranty extension: SUSPENSION. WARRANTY EXTENSION CAMPAIGN: OWNER NOTIFICATION \(WTY047\) \- This document is the owner notification advising that Kia is extending the New Vehicle Limited Warranty coverage to owners for certain repairs related to oil leakage from the rear shock absorbers on the following vehicles that were originally sold in or are currently registered in states where heavy amounts of road salt are used on certain 2023\-2025 MY Sportage vehicles manufactured from December 15, 2021 through January 21, 2025, certain 2023\-2025 MY Sportage Hybrid \(HEV\) vehicles manufactured from March 2, 2022 through January 25, 2025, and certain 2023\-2025 MY Sportage Plug\-in Hybrid \(PHEV\) vehicles manufactured from June 16, 2022 through January 22, 2025.
- [WTY047\_QA](/bulletins/11037528.md), 2026-09-28, Warranty extension: SUSPENSION. WARRANTY EXTENSION CAMPAIGN: QUESTION AND ANSWER \(WTY047\) – This document is the Question and Answer Guide containing the most frequently asked questions regarding Warranty Extension Campaign WTY047.
- [WTY047\_DPSM](/bulletins/11037527.md), 2026-09-28, Warranty extension: SUSPENSION. WARRANTY EXTENSION CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO \(WTY047\) \- This document is the announcement to dealer Parts and Service managers advising that Kia is extending the New Vehicle Limited Warranty coverage to owners for certain repairs related to oil leakage from the rear shock absorbers on the following vehicles that were originally sold in or are currently registered in states where heavy amounts of road salt are used on certain 2023\-2025 MY Sportage vehicles manufactured from December 15, 2021 through January 21, 2025, certain 2023\-2025 MY Sportage Hybrid \(HEV\) vehicles manufactured from March 2, 2022 through January 25, 2025, and certain 2023\-2025 MY Sportage Plug\-in Hybrid \(PHEV\) vehicles manufactured from June 16, 2022 through January 22, 2025.
- [WTY047\_DP](/bulletins/11037526.md), 2026-09-28, Warranty extension: SUSPENSION. WARRANTY EXTENSION CAMPAIGN: DEALER PRINCIPAL MEMO \(WTY047\) \- This document is the announcement to the dealer principals advising that Kia is extending the New Vehicle Limited Warranty coverage to owners for certain repairs related to oil leakage from the rear shock absorbers on the following vehicles that were originally sold in or are currently registered in states where heavy amounts of road salt are used on certain 2023\-2025 MY Sportage vehicles manufactured from December 15, 2021 through January 21, 2025, certain 2023\-2025 MY Sportage Hybrid \(HEV\) vehicles manufactured from March 2, 2022 through January 25, 2025, and certain 2023\-2025 MY Sportage Plug\-in Hybrid \(PHEV\) vehicles manufactured from June 16, 2022 through January 22, 2025.
- [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 \(high/low ambient temperatures, extended duration / distance driving\).

JSON: [/v1/bulletins/10242913](/v1/bulletins/10242913)

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