SC308 – Gear Drive Unit (GDU) – 2023 Kia Niro EV & 2024 EV9

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April 16, 2024 NHTSA CAMPAIGN NUMBER: 24V271000

Improperly Tightened Differential Bolts

A loss of drive power or differential lock up can increase the risk of a crash.

 

NHTSA Campaign Number: 24V271

Manufacturer Kia America, Inc.

Components POWER TRAIN

Potential Number of Units Affected 8

 

Summary

Kia America, Inc. (Kia) is recalling certain 2023 Niro EV and 2024 EV9 vehicles. The differential gear bolts in the gear drive unit may not be tightened properly, which can result in a loss of drive power or cause the differential to lock up.

 

Remedy

Dealers will replace the gear drive unit, free of charge. Owner notification letters are expected to be mailed May 17, 2024. Owners may contact Kia customer service at 1-800-333-4542. Kia’s number for this recall is SC308.

 

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

 

Check if your Kia has a Recall

 


2023 MY NIRO EV & 2024 MY EV9 VEHICLES – GEAR DRIVE UNIT (GDU)
SAFETY RECALL CAMPAIGN (SC308)
Q & A
April 19, 2024

Q1. What type of campaign is Kia conducting?

A1. Kia America, Inc., pursuant to the National Traffic and Motor Vehicle Safety Act, is conducting a Safety Recall Campaign to address a condition involving the Gear Drive Unit (GDU).

 

Q2. What vehicles are affected by the recall?

A2. Certain 2023 MY Niro vehicles manufactured from November 7, 2022 through May 16, 2023 and Certain 2024 MY EV9 vehicles manufactured from October 27, 2023.

 

Q3. How many customer vehicles are affected by this recall?

A3. 8 vehicles (4 units of Niro EV and 4 units of EV9 vehicles).

 

Q4. What is the concern with the Gear Drive Unit (GDU)?

A4. The differential gear bolts within the Gear Drive Unit (GDU) in the subject vehicles may not have been properly torqued during the assembly by the differential gear supplier. Over time, the differential bolts within the GDU may loosen and damage the GDU housing and/or reduction gear while driving. Continued driving with a grinding noise, from a damaged GDU housing or reduction gear, may result in a loss of drive power and/or cause the differential to lock up. A loss of drive power and/or differential lock up increases the risk of a crash.

 

Q5. Can you describe the recall campaign and fix?

A5. Kia dealers will replace the GDU assembly with a new one.

 

Q6. How will owners of the affected vehicles be notified?

A6. All owners of the subject vehicles will be notified by first class mail with instructions to contact their authorized Kia dealer to have the recall campaign performed beginning on May 17, 2024.

 

Q7. What should vehicle owners do when they receive the notification?

A7. Upon receipt of the letter, owners are to contact their authorized Kia dealer to arrange to have the recall campaign performed on their vehicle free of charge at no cost to them.

 

Q8. Where were these vehicles produced?

A8. The affected vehicles were produced at a Kia assembly plant in South Korea.

 

Q9. Will this cost vehicle owners any money?

A9. No. Kia will perform the recall repair free of charge at no cost to the customer.

 

Q10. Are there any restrictions on an owner’s eligibility?

A10. No.

 

Q11. If a customer has an immediate question, where can they get further information?

A11. The customer can contact their local authorized Kia dealership or call Kia’s Customer Care Center at 1-800-333-4KIA (4542), Monday through Friday, 5 AM to 6 PM Pacific Time, or via the internet at www.kia.com (Owner’s Section).

 


2023MY Niro EV & 2014MY EV9
Gear Drive Unit (GDU) Chronology
Basis of Safety Defect Determination 573.6(c)(6)

March 11, 2024
Kia Corporation (Kia HQ) informs Kia North America (Kia NA) Safety Office of two (2) customer complaints in the global market of noise while driving from the Gear Drive Unit (GDU) involving 2023MY Niro EV vehicles. Kia HQ provides Kia NA Safety Office with preliminary investigation results. Returned parts show differential gear bolts within the GDU insufficiently torqued resulting in noise and damage to GDU housing.
Kia HQ’s review of supplier torque data indicates insufficient torque of differential gear bolts in certain GDUs in Niro EV and EV9 vehicles. Kia HQ confirms no related EV9 claims in global market.
Kia NA Safety Office requests Kia HQ evaluate any potential loss of motive power associated with condition.

March 20, 2024—April 2, 2024
Kia HQ conducts vehicle testing of a Niro EV GDU with artificially loosened differential gear bolts. Kia HQ shares results with Kia NA Safety Office and identifies loosened differential bolts will result in drivetrain noise. As bolts are loosened, damage to GDU housing can occur and a potential loss of motive power may result.
Kia NA Safety Office monitors field data.

April 9, 2024
Kia HQ confirms differential lockup is also a potential consequence if the vehicle continues to be operated in this condition. Kia HQ provides potentially affected VINs based on a review of vehicle production and supplier records.

April 10, 2024
Kia NA Safety Office field data analysis confirms no incidents in the U.S. associated with condition.

April 10, 2024
Kia NA decides to recall certain 2023MY Niro EV and certain 2024MY EV9 vehicles. No injuries, crashes, or fatalities.

 


2 Affected Products

Vehicles

MAKE MODEL YEAR
KIA EV9 2024
KIA NIRO EV 2023

 


6 Associated Documents

Recall Acknowledgement

RCAK-24V271-4412.pdf 645.376KB

 


2023MY Niro EV & 2024MY EV9 Gear Drive Unit (GDU) Chronology

RMISC-24V271-6298.pdf 76.38KB

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Defect Notice 573 Report

RCLRPT-24V271-2924.PDF 214.157KB

 


Manufacturer Notices(to Dealers,etc)

RCMN-24V271-7722.pdf 54.008KB

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Manufacturer Notices(to Dealers,etc)

RCMN-24V271-1982.pdf 70.118KB

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Manufacturer Notices(to Dealers,etc)

RCMN-24V271-2424.pdf 70.901KB

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Latest Recalls Documents

For the Latest and Most recent Recall Information Visit the link below…

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=24V271&docType=RCL

 


 

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Valvoline High Performance SAE 80W-90 Gear Oil 1 QT
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Last update on 2024-05-19 / Affiliate links / Images from Amazon Product Advertising API

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