N222390180 Half-Shaft Separation – 2023 Chevrolet Blazer & Traverse

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Safety Recall
N222390180 Half-Shaft Separation
Copyright 2023 General Motors. All Rights Reserved. Page 1 of 4
Release Date:
February 2023
Revision:
00
Attention:
It is a violation of Federal law for a dealer to deliver a new motor vehicle or any new or used item of motor vehicle equipment (including a tire) covered by this notification under a sale or lease until the defect or noncompliance is remedied.
All involved vehicles that are in dealer inventory must be held and not delivered to customers, dealer traded, or used for demonstration purposes until the repair contained in this bulletin has been performed on the vehicle.
Make
Model
Model Year
RPO
Description
From
To
Chevrolet
Blazer
2023
2023
M3V
TRANSMISSION-AUTO 9 SPD, 9T65, GEN 1
Traverse
Involved vehicles are marked “Open” on the Investigate Vehicle History screen in GM Global Warranty Management system. This site should always be checked to confirm vehicle involvement prior to beginning any required inspections and/or repairs.
Condition
General Motors has decided that a defect which relates to motor vehicle safety exists in certain 2023 model year Chevrolet Blazer and Chevrolet Traverse vehicles. These vehicles may have left-hand half-shaft assemblies that are missing a retaining ring. If the retaining ring is missing, the half-shaft inner joint may separate from the shaft, which could result in a loss of propulsion and/or a loss of mechanical park. If the vehicle unexpectedly loses propulsion and/or mechanical park, there is increased risk of a crash or roll-away.
Correction
Dealers will replace the left-hand half-shaft assembly.
Parts
Quantity
Part Name
Part No.
1
Front Wheel Drive Half Shaft
84990734
1
Front Wheel Drive Half Shaft
84990736
1
Front Wheel Drive Half Shaft Nut
11612295
It is estimated that only 10 involved vehicles will require parts replaced. Due to the small number of vehicles anticipated that will need this fix and the limited initial parts availability, dealers are encouraged not to order these parts for use as shelf stock.
Reminder: Parts will be removed from SPRINT and RIM management. Dealers should review the affected parts to confirm RIM managed status. Parts may have quantity limiters in effect.
Warranty Information
Labor Operation
Description
Labor Time
Trans. Type
Net Item
9106612
Front Wheel Drive Half Shaft Replacement – Left Side
Traverse
Blazer
0.9
1.5
ZFAT
N/A
9106628
Floor Plan Reimbursement – NEW INVENTORY ONLY
N/A
*
Floor Plan Reimbursement – NEW INVENTORY ONLY
* USA & Canada Dealers Only – For vehicles eligible for floor plan reimbursement, the amount should be submitted in Net Item/Miscellaneous. This amount should represent the product of the vehicle’s average daily interest rate (see table below) multiplied by the actual number of days the vehicle was in dealer inventory and not available for sale. This reimbursement is limited to the number of days from the date of the stop delivery message (February 2, 2023) to the date the repair is completed, and the vehicle is ready for sale (not to exceed 20 days).
Vehicle
Floor Plan Reimbursement Amount
USA
2023 Chevrolet Blazer
$9.42
2023 Chevrolet Traverse
$9.62
Safety Recall
N222390180 Half-Shaft Separation
Page 2 of 4
Service Procedure
Replace the left front wheel drive half shaft. Refer to Front Wheel Drive Half Shaft Replacement – Left Side in SI.
Dealer Responsibility – For USA & Export (USA States, Territories, and Possessions)
It is a violation of Federal law for a dealer to deliver a new motor vehicle or any new or used item of motor vehicle equipment (including a tire) covered by this notification under a sale or lease until the defect or noncompliance is remedied.
The US National Traffic and Motor Vehicle Safety Act provides that each vehicle that is subject to a recall of this type must be adequately repaired within a reasonable time after the customer has tendered it for repair. A failure to repair within sixty days after tender of a vehicle is prima facie evidence of failure to repair within a reasonable time. If the condition is not adequately repaired within a reasonable time, the customer may be entitled to an identical or reasonably equivalent vehicle at no charge or to a refund of the purchase price less a reasonable allowance for depreciation. To avoid having to provide these burdensome remedies, every effort must be made to promptly schedule an appointment with each customer and to repair their vehicle as soon as possible. In the recall notification letters, customers are told how to contact the US National Highway Traffic Safety Administration if the recall is not completed within a reasonable time.
Dealer Responsibility – All
All new, used, GM Certified Used, courtesy transportation vehicles, dealer shuttle vehicles, etc. in dealers’ possession and subject to this recall must be held and inspected/repaired per the service procedure of this bulletin before customers take possession of these vehicles. Involved vehicles must be held and not delivered to customers, dealer-traded, released to auction, used for demonstration, or any other purpose.
All GM Certified Used vehicles currently in the dealers’ inventory within the Certified Pre-Owned Inventory System (CPOIS) will be de-certified and must be held and remedied per the service procedure in this bulletin. Upon submitting an accepted/paid warranty transaction in the Global Warranty Management (GWM) system, the vehicle can be re-certified for sale within the CPOIS system, or once again be used in the CTP program.
Dealers are to service all vehicles subject to this recall at no charge to customers, regardless of mileage, age of vehicle, or ownership, from this time forward.
Customers who have recently purchased vehicles sold from your vehicle inventory, and for which there is no customer information indicated on the dealer listing, are to be contacted by the dealer. Arrangements are to be made to make the required correction according to the instructions contained in this bulletin. A copy of the customer letter is provided in this bulletin for your use in contacting customers. Recall follow-up cards should not be used for this purpose, since the customer may not as yet have received the notification letter. In summary, whenever a vehicle subject to this field action enters your vehicle inventory you must take the steps necessary to ensure the program correction has been made before selling the vehicle. In addition, for vehicles entering your facility for service, you are required to ensure the customer is aware of the open field action and make every reasonable effort to implement the program correction as set forth in this bulletin prior to releasing the vehicle.
Dealer Reports – For USA
For dealers with involved vehicles, a listing has been prepared and will be available through GM GlobalConnect Maxis Field Action Reports or sent directly to export dealers. The Inventory tab of the dealer reports will contain VINs that apply to this recall. This information is intended to assist dealers with the PROMPT COMPLETION of these vehicles. The Customer In-Service tab will contain customer names and addresses from Motor Vehicle Registration Records. The use of such motor vehicle registration data for any purpose other than follow-up necessary to complete this recall may be a violation of law in several states.
Courtesy Transportation – For USA
Courtesy transportation is available for customers whose vehicles are involved in a product program and still within the warranty coverage period. See General Motors Service Policies and Procedures Manual for courtesy transportation program details.
Customer Notification
USA – General Motors will notify customers of this recall on their vehicle (see copy of customer letter included with this bulletin).
GM bulletins are intended for use by professional technicians, NOT a “do-it-yourselfer”. They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the tools, equipment, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your dealer for information on whether your vehicle may benefit from the information.
We Support Voluntary Technician Certification
Safety Recall
N222390180 Half-Shaft Separation
Page 3 of 4
IMPORTANT SAFETY RECALL
March 2023
This notice applies to your vehicle, VIN: _____________________________________
Dear General Motors Customer:
This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act.
General Motors has decided that a defect which relates to motor vehicle safety exists in certain 2023 model year Chevrolet Blazer and Chevrolet Traverse vehicles. As a result, GM is conducting a safety recall. We apologize for this inconvenience. However, we are concerned about your safety and continued satisfaction with our products.
IMPORTANT
• Your vehicle is involved in GM recall N222390180.
• Schedule an appointment with your GM dealer.
• This service will be performed for you at no charge.
Why is your vehicle being recalled?
These vehicles may have left-hand half-shaft assemblies that are missing a retaining ring. If the retaining ring is missing, the half-shaft inner joint may separate from the shaft, which could result in a loss of propulsion and/or a loss of mechanical park. If the vehicle unexpectedly loses propulsion and/or mechanical park, there is increased risk of a crash or roll-away.
What will we do?
Your GM dealer will replace the left-hand half-shaft assembly. This service will be performed for you at no charge. Because of service scheduling requirements, it is likely that your dealer will need your vehicle longer than the actual service correction time of approximately 1 hour and 35 minutes.
What should you do?
You should contact your GM dealer to arrange a service appointment as soon as possible.
Do you have questions?
If you have any questions or concerns that your dealer is unable to resolve, please contact the appropriate Customer Assistance Center at the number listed below.
For the hearing or speech impaired, please contact our Customer Assistance Center using the Telecommunication Relay Service by dialing 711 then providing the appropriate Customer Assistance Center number for your vehicle.
Division
Number
Text Telephones (TTY)
Chevrolet
1-800-222-1020
711 / 1-800-833-2438
Puerto Rico – English
1-866-467-9700
Puerto Rico – Español
1-866-467-9700
Virgin Islands
1-866-467-9700
If after contacting your dealer and the Customer Assistance Center, you are still not satisfied we have done our best to remedy this condition without charge and within a reasonable time, you may wish to write the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, SE., Washington, DC 20590, or call the toll-free Vehicle Safety Hotline at 1.888.327.4236 (TTY 1.800.424.9153), or go to http://www.nhtsa.gov. The National Highway Traffic Safety Administration Campaign ID Number for this recall is 23V042.
Safety Recall
N222390180 Half-Shaft Separation
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Federal regulation requires that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days.
Regina A. Carto
Vice President
Global Product Safety and Systems
GM Recall: N222390180

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IMPORTANT SAFETY RECALL
February 2023
This notice applies to your 2023 Chevrolet Blazer vehicle. The applicable Vehicle Identification Number (VIN) can be found on the address label of the envelope.
Dear :
This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act.
General Motors has decided that a defect which relates to motor vehicle safety exists in certain 2023 model year Chevrolet Blazer vehicles. As a result, GM is conducting a safety recall. We apologize for this inconvenience. However, we are concerned about your safety and continued satisfaction with our products.
IMPORTANT
• Your vehicle is involved in GM recall N222390180.
• Schedule an appointment with your Chevrolet dealer.
• This service will be performed for you at no charge.
Why is your vehicle being recalled?
These vehicles may have left-hand half-shaft assemblies that are missing a retaining ring. If the retaining ring is missing, the half-shaft inner joint may separate from the shaft, which could result in a loss of propulsion and/or a loss of mechanical park. If the vehicle unexpectedly loses propulsion and/or mechanical park, there is increased risk of a crash or roll-away.
What will we do?
Your Chevrolet dealer will replace the left-hand half-shaft assembly. This service will be performed for you at no charge. Because of service scheduling requirements, it is likely that your dealer will need your vehicle longer than the actual service correction time of approximately 1 hour and 35 minutes.
What should you do?
You should contact your Chevrolet dealer to arrange a service appointment as soon as possible.
Do you have questions?
If you have questions or concerns that your dealer is unable to resolve, please contact the Chevrolet Customer Assistance Center at 1-800-222-1020.
For the hearing or speech impaired, please contact our Customer Assistance Center using the Telecommunication Relay Service by dialing 711 then dialing 1-800-833-2438.
If after contacting your dealer and the Customer Assistance Center, you are still not satisfied we have done our best to remedy this condition without charge and within a reasonable time, you may wish to write the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, SE., Washington, DC 20590, or call the toll-free Vehicle Safety Hotline at 1.888.327.4236 (TTY 1.800.424.9153), or go to http://www.nhtsa.gov. The National Highway Traffic Safety Administration Campaign ID Number for this recall is 23V042.
Federal regulation requires that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days.
Regina A. Carto
Vice President
Global Product Safety and Systems
GM Recall: N222390180

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GLOBAL SAFETY FIELD INVESTIGATIONS
DCS6432
URGENT – DISTRIBUTE IMMEDIATELY
Date: February 2, 2023
Subject: Stop Delivery Order for Upcoming Safety Recall N222390180
Half-Shaft Separation
Models: 2023 Chevrolet Blazer
2023 Chevrolet Traverse
Equipped with 9 Speed Automatic Transmission (RPO M3V)
To: All General Motors Dealers
STOP DELIVERY ORDER
Effective immediately, stop the delivery of certain 2023 model year Chevrolet Blazer or Traverse vehicles in new or used vehicle inventory. General Motors has notified the National Highway Traffic Safety Administration (NHTSA) about an upcoming safety recall that involves these vehicles. The GM recall number is N222390180.
It is a violation of federal law for a dealer to deliver a new motor vehicle or any new or used item of motor vehicle equipment (including a tire) covered by this notification until the defect is remedied.
General Motors has decided that a defect which relates to motor vehicle safety exists in certain 2023 model year Chevrolet Blazer and Chevrolet Traverse vehicles. These vehicles may have left-hand half-shaft assemblies that are missing a retaining ring. If the retaining ring is missing, the half-shaft inner joint may separate from the shaft, which could result in a loss of propulsion and/or a loss of mechanical park. If the vehicle unexpectedly loses propulsion and/or mechanical park, there is increased risk of a crash or roll-away.
Parts are not currently available, but when parts are available, dealers are to replace the left-hand half-shaft assembly.
Until further instructions are received, involved vehicles that are in dealers’ possession (new or used vehicle inventory, GM Certified Used, courtesy transportation vehicles, dealer shuttle vehicles, etc.) must be held and not delivered to customers, dealer-traded, released to auction, used for demonstration purposes or any other dealer use. All GM Certified Used vehicles currently in the dealers’ inventory within the Certified Pre-Owned Inventory System (CPOIS) will be de-certified.
The Investigate Vehicle History (IVH) screen in the Global Warranty Management (GWM) system has been updated for this upcoming recall. This action has been taken to assist dealers with determining which vehicles are involved so they can properly respond to customer inquiries.
A list of involved vehicles that have been identified as being in dealer new vehicle inventory is attached to this message. It is sorted by dealer Business Associate Code (BAC) for easy reference. Your dealership’s BAC will not be listed if none of the involved vehicles are currently in your new vehicle inventory. To identify involved
vehicles in dealer used inventory, run an Open VIN Report or Field Action Initiation Report using Field Action Reports-GFAM within the Maxis Dealer Application in GlobalConnect.
Frequently Asked Questions Document (FAQs)
Attached to this message you will find a document that addresses the ten most likely questions customers may have regarding this Safety Recall / Noncompliance Recall. Please use this information as an aid to confidently answer customer concerns.
Until the recall bulletin is released, the Investigate Vehicle History (IVH) screen in the Global Warranty Management (GWM) system will display “02/02/2023” under Release Date and “Incomplete – Remedy Not Available” under Status. This means the required repair is not yet available and dealers should not attempt to perform any repairs.
We are working with the supplier to obtain the required parts as quickly as possible. When a sufficient quantity of parts are available, the recall bulletin will be released and dealers can begin repairing vehicles.
END OF MESSAGE
GLOBAL SAFETY FIELD INVESTIGATIONS

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GLOBAL SAFETY FIELD INVESTIGATIONS
DCS6456
URGENT – DISTRIBUTE IMMEDIATELY
Date: February 21, 2023
Subject: N222390180 – Safety Recall
Half-Shaft Separation
Models: 2023 Chevrolet Blazer
2023 Chevrolet Traverse
Equipped with 9 Speed Automatic Transmission (RPO M3V)
To: All General Motors Dealers
General Motors is releasing Safety Recall N222390180 today. The total number of U.S. vehicles involved is approximately 10. Please see the attached bulletin for details.
Vehicles involved in this recall were placed on stop delivery February 02, 2023. Once the service procedure contained in the bulletin has been performed on the vehicle, the vehicle is released from stop delivery and the vehicle can be delivered to the customer.
Frequently Asked Questions Document (FAQs)
Attached to this message you will find a document that addresses the ten most likely questions customers may have regarding this Safety Recall. Please use this information as an aid to confidently answer customer concerns.
Customer Letter Mailing
The customer letter mailing will begin on February 23, 2023.
Global Warranty Management (GWM)
The Required Field Action section on the Investigate Vehicle History (IVH) screen will be updated February 21, 2023. A list of vehicles in dealer inventory is attached to this message. Please hold all warranty transactions until IVH has been updated.
END OF MESSAGE
GLOBAL SAFETY FIELD INVESTIGATIONS

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OMB Control No.: 2127-0004
Part 573 Safety Recall Report 23V-042
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
General Motors, LLC FEB 02, 2023 NHTSA Recall No. : 23V-042 Manufacturer Recall No. : N222390180 Manufacturer Information :
Manufacturer Name : General Motors, LLC Address : 29427 Louis Chevrolet Road
MAIL CODE 480-210-2V WARREN MI 48093
Company phone : 586-596-1733
Population :
Number of potentially involved : 10 Estimated percentage with defect : 100 %
Vehicle Information : Vehicle 1 : 2023-2023 Chevrolet Blazer Vehicle Type :
Body Style :
Power Train : NR
Descriptive Information : Manufacturing records and supplier part traceability data were used to identify potentially affected vehicles.
Vehicles with left-hand half-shaft assemblies built outside the supplier’s suspect window are not included in this recall. There are 8 Chevrolet Blazer vehicles affected by this recall.
Production Dates : AUG 09, 2022 – AUG 09, 2022
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2023-2023 Chevrolet Traverse Vehicle Type :
Body Style :
Power Train : NR
Descriptive Information : Manufacturing records and supplier part traceability data were used to identify potentially affected vehicles.
Vehicles with left-hand half-shaft assemblies built outside the supplier’s suspect window are not included in this recall. There are 2 Chevrolet Traverse vehicles affected by this recall.
Production Dates : JUL 26, 2022 – JUL 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 23V-042 Page 2 Description of Defect :
Description of the Defect : General Motors has decided that a defect which relates to motor vehicle safety exists in certain 2023 model year Chevrolet Blazer and Chevrolet Traverse vehicles. These vehicles may have left-hand half-shaft assemblies that are missing a retaining ring. If the retaining ring is missing, the half-shaft inner joint may separate from the shaft, which could result in a loss of propulsion and/or a loss of mechanical park.
FMVSS 1 : NR FMVSS 2 : NR
Description of the Safety Risk : If the vehicle unexpectedly loses propulsion and/or mechanical park, there is increased risk of a crash or roll-away.
Description of the Cause : A supplier quality spill allowed half-shaft assemblies which may have missing retaining rings to pass inspection. Identification of Any Warning
that can Occur : Drivers may hear a grinding or clicking noise from the front of the vehicle. Involved Components : Component Name 1 : SHAFT ASM-FRT WHL DRV HALF
Component Description : Shaft Assembly – Front Wheel Drive Half Component Part Number : 84990736, 84990734 Supplier Identification : Component Manufacturer
Name : Nexteer Automotive Address : 3900 E. Holland Rd.
saginaw Michigan 48601
Country : United States Chronology :
On November 9, 2022, a GM supplier quality engineer submitted an issue to GM’s Speak Up for Safety (SUFS) program regarding a missing retaining ring on a half-shaft that was returned to GM after warranty service on a 2023 Chevrolet Blazer. On December 6, 2022, GM opened a product investigation. GM’s investigation determined that, during a brief The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 23V-042
Page 3
The information contained in this report was submitted pursuant to 49 CFR §573
manufacturing period in July 2022, an error in the half-shaft supplier’s quality control process may have failed to detect left-hand half-shaft assemblies with missing retaining rings. The supplier corrected the condition on July 15, 2022, but did not contain potentially affected assemblies. Using part traceability data, the supplier and GM identified potentially affected VINs. A review of field data discovered two complaints potentially related to this condition. These complaints were received by GM on September 15, 2022 and November 2, 2022. On January 26, 2023, GM’s Safety and Field Action Decision Authority decided to conduct a safety recall for vehicles that were built with suspect left-hand half-shaft assemblies.
Description of Remedy :
Description of Remedy Program : Dealers will replace the left-hand half-shaft assembly. Pursuant to 49 C.F.R.
§ 573.13(d)(1), all covered vehicles are under warranty, so reimbursement is not offered. How Remedy Component Differs from Recalled Component :
Identify How/When Recall Condition was Corrected in Production : Replacement left-hand half shaft assemblies are produced outside of the supplier’s suspect window.
The supplier corrected their error-proofing on July 15, 2022. Recall Schedule :
Description of Recall Schedule : Dealers will be notified on February 2, 2023. Owner notification is
estimated to begin on March 24, 2023.
Planned Dealer Notification Date : FEB 02, 2023 – FEB 02, 2023
Planned Owner Notification Date : MAR 24, 2023 – MAR 24, 2023
* NR – Not Reported

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