Safety Recall N222389310 Half-Shaft Disengagement – 2023 Cadillac XT6, GMC Acadia, Chevrolet Blazer, Traverse, & 2022-2023 Cadillac XT5

March 16, 2023 NHTSA CAMPAIGN NUMBER: 23V172000

Transmission Built with Incorrect Sun Gear

A half-shaft disengaging from the transmission can result in a loss of drive power or vehicle rollaway when the vehicle is placed in park. Either of these scenarios can increase the risk of a crash.


NHTSA Campaign Number: 23V172

Manufacturer General Motors, LLC

Components POWER TRAIN

Potential Number of Units Affected 7,840



General Motors, LLC (GM) is recalling certain 2023 Cadillac XT6, GMC Acadia, Chevrolet Blazer, Traverse, and 2022-2023 Cadillac XT5 vehicles. The transmission may have been built with an incorrect sun gear, which can result in the driver-side half-shaft disengaging from the transmission.



Dealers will replace the sun gears, free of charge. Owner notification letters are expected to be mailed May 1, 2023. Owners may contact Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GMC’s number for this recall is N222389310.



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


Check if your Vehicle has a Recall


Frequently Asked Questions (FAQs) for Safety Recall N222389310
Half-Shaft Disengagement

These questions and answers are being provided to help GM dealers respond to inquiries from involved vehicle owners about the Safety Recall identified above.


Q1) Which vehicles are involved?

General Motors has decided that a defect which relates to motor vehicle safety exists in certain 2022 – 2023 model year Cadillac XT5, 2023 model year Cadillac XT6, 2023 model year GMC Acadia, 2023 model year Chevrolet Blazer, and 2023 model year Chevrolet Traverse vehicles.


Q2) What is the issue or condition?

These vehicles may contain a dimensionally incorrect sun gear inside the transmission.  This condition can cause the driver-side half-shaft to disengage from the transmission, causing a loss of propulsion and/or a loss of mechanical park.


Q3) What symptoms may be experienced?  What warning signs may be associated with the issue or condition described?

Drivers may hear a grinding or clicking noise from the front of the vehicle.


Q4) What is the remedy/repair?

GM is currently developing a remedy for this condition.


Q5) What is the safety risk?  Is the vehicle safe to drive?

If the vehicle unexpectedly loses propulsion and/or mechanical park, there is increased risk of a crash or roll-away.


Q6) Does the customer have to pay for this remedy/repair

No, this inspection/repair will be done at no cost to the customer.  


Q7) Is the remedy/repair available now?

No, when a remedy is available and/or sufficient quantity of parts are available, the recall bulletin will be released, and dealers can begin repairing vehicles.


Q8) What should customers do until recall repairs can be completed?  Are there any special instructions?

If special instructions are provided, they will be included in the notification letters to customers.

Q9) How can customers check to see if their vehicle is involved in this field action?

Customers who own a vehicle involved in the field action will be notified by mail by General Motors, but they may also check their Vehicle Identification Number (VIN) for field actions in GM Owner Center at or via NHTSA’s website at


Q10) If customers are concerned, can they get a rental car or courtesy transportation?

Courtesy transportation is available for customers whose vehicles are involved in this recall and are within the warranty coverage period for the warranty which is associated with this recall.  Please refer to Warranty Administration Bulletin #17-NA-073:  Field Action Courtesy Transportation Policy for further information.


Chronology :

On November 2, 2022, a GM brand quality manager submitted an issue to GM’s Speak Up for Safety (SUFS) program regarding a 2023 Chevrolet Blazer that experienced a loss of propulsion. On December 6, 2022, GM opened a product investigation.

GM’s investigation determined that, during a brief manufacturing period in August 2022, GM’s San Luis Potosi manufacturing plant may have not properly identified and contained dimensionally incorrect transmission sun gears. A review of field data identified 164 complaints potentially related to this condition, none of which involved a crash or injury. These complaints were received by GM between October 18, 2022 and January 17, 2023.

On March 9, 2023, GM’s Safety and Field Action Decision Authority decided to conduct a safety recall.


6 Affected Products


CADILLAC XT5 2022-2023


6 Associated Documents

Defect Notice 573 Report

RCLRPT-23V172-2102.PDF 215.954KB



Recall 573 Report – 3/22/23

RCLRPT-23V172-2108.PDF 215.98KB



Manufacturer Notices(to Dealers,etc) – Dealer Message re Upcoming Safety Recall N222389310 Half-Shaft Disengagement

RCMN-23V172-6190.pdf 67.364KB



Recall Acknowledgement

RCAK-23V172-7501.pdf 645.376KB



Miscellaneous Document – Frequently Asked Questions (FAQs) for Safety Recall N222389310 Half-Shaft Disengagement

RMISC-23V172-1010.pdf 100.455KB



Manufacturer Notices(to Dealers,etc) – Dealer Message re N222389310 – Safety Recall Half-Shaft Disengagement Application for Used Vehicle Working Capital Assistance Program (WCAP)

RCMN-23V172-2132.pdf 108.861KB



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