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GM SUVs may lose power from faulty transmission gear

NHTSA campaign 23V172000 · Reported 2023-03-16 · General Motors, LLC

high How serious is it? About this label

Serious — losing drive power or having the vehicle roll away while in park both raise the risk of a crash, so have it fixed as soon as parts are available.

What's wrong, in plain English

The transmission in these Cadillac, Chevrolet and GMC SUVs may have been built with the wrong gear inside. Because of that, the axle shaft on the driver's side can come apart from the transmission. If it does, the vehicle can suddenly lose the power that drives the wheels. It also means the vehicle may roll away after you shift into park, because park no longer holds it in place.

What you should do

1. Check your VIN at nhtsa.gov/recalls to see if your vehicle is covered. 2. Contact your dealer about recall N222389310 (Cadillac 1-800-458-8006, Chevrolet 1-800-222-1020, GMC 1-800-462-8782). 3. The dealer replaces the gears free of charge.

Affected vehicles (6)

2022 Cadillac XT5
2023 Cadillac XT5
2023 Cadillac XT6
2023 Chevrolet Blazer
2023 Chevrolet Traverse
2023 GMC Acadia

Who to contact

Cadillac — official Cadillac recall lookup

Customer service: 1-800-458-8006

Chevrolet — official Chevrolet recall lookup

Customer service: 1-800-222-1020

GMC — official GMC recall lookup

Customer service: 1-800-462-8782

Any franchised dealer for the brand can do the repair. Phone numbers are taken from manufacturer sites and recent NHTSA notices; if one has changed, the number in your own recall letter is the one to use.

The bigger picture

Cadillac transmission recalls: locking wheels, lost power and fluid leaks · all 7 Cadillac recalls in this area
Chevrolet power train recalls: locking rear wheels and broken driveshafts · all 15 Chevrolet recalls in this area
GMC power train recalls: locking rear wheels and broken driveshafts · all 10 GMC recalls in this area

Official notice

Component: POWER TRAIN:AUTOMATIC TRANSMISSION
Summary: 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.
Safety 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.

Verify your specific vehicle by VIN at nhtsa.gov. Recall repairs are free of charge by law.