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Chevrolet Traverse Recall 23V172: Transmission Part May Cause Loss of Drive Power or Rollaway

NHTSA campaign 23V172, reported March 16, 2023, 8,744 vehicles potentially affected.

What this recall means for you

A transmission may have been built with an incorrect sun gear. Over time, the driver-side half-shaft can disengage from the transmission, which can cause a loss of drive power or allow the vehicle to roll away when it is in Park. Either situation can raise the risk of a crash.

Dealers will replace the sun gear at no cost to you. Owner notification letters were mailed on July 27, 2023, and the remedy was expected to be available starting August 31, 2023. If you have questions, contact Cadillac customer service at 1-800-458-8006, Chevrolet at 1-800-222-1020, or GMC at 1-800-462-8782. GMC's recall number for this campaign is N222389310.

To check whether your vehicle has any open recalls, enter your VIN on the NHTSA recall lookup or ask your authorized dealer to check it for you.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 23V172General Motors, LLC
Component
POWER TRAIN:AUTOMATIC TRANSMISSION
Problem
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.
Risk
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.
Remedy
Dealers will replace the sun gears, free of charge. Owner notification letters were mailed on July 27, 2023. The remedy is expected to become available August 31, 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.
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.

Affected vehicles

Cadillac XT520222023
Cadillac XT62023
Chevrolet Blazer2023
Chevrolet Traverse2023
GMC Acadia2023