Home › GMC › Acadia › 23V172000
Cadillac, Chevy, GMC SUVs Transmission Half-Shaft Failure
high How serious is it? About this label
If the half-shaft disengages, the vehicle can lose drive power, or it can roll away on its own when placed in park, increasing the risk of a crash. The notice does not tell owners to stop driving.
Key facts
| NHTSA campaign number | 23V172000 |
|---|---|
| Reported to NHTSA | Mar 16, 2023 |
| Manufacturer | General Motors, LLC |
| Part affected | Power Train:automatic Transmission |
| Vehicles covered | 6 model/year combinations, model years 2022–2023 |
| Do-not-drive advisory | No |
| Park-outside advisory | No |
| Repair | Free at any franchised dealer |
What's wrong, in plain English
Certain Cadillac XT5, XT6, Chevrolet Blazer, Traverse and GMC Acadia SUVs may have been built with an incorrect transmission part called a sun gear. This can cause the half-shaft on the driver's side to come loose from the transmission.
What you should do
2. Contact a Cadillac dealer at 1-800-458-8006, a Chevrolet dealer at 1-800-222-1020, or a GMC dealer at 1-800-462-8782 to schedule the repair.
3. Dealers will replace the sun gears, free of charge.
Where do I find my VIN, and what do I tell the dealer?
Your VIN is the 17-character code on the lower left of the windshield, on your registration and usually on your insurance card. Enter it at nhtsa.gov/recalls to see whether this recall is still open on your car. When you call the dealer, say you have an open safety recall and give them NHTSA campaign number 23V172000. More in how recalls work.
Affected vehicles (6)
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
The bigger picture
- Cadillac Power Train Recalls Cover Wheel Lockup and Lost Propulsion · all 8 Cadillac recalls in this area
- Chevrolet Power Train Recalls Cover Drive Loss and Wheel Lockup · all 15 Chevrolet recalls in this area
- GMC Power Train Recalls Cover Wheel Lockup and Lost Propulsion · all 10 GMC recalls in this area
Other GMC Acadia recalls
- Oct 21, 2026GMC Acadia Front Seats May Have Insufficient Weldshigh
- Feb 26, 2026GM vehicles may be missing the electronic owner's manuallow
- Oct 12, 2023Cadillac XT5, XT6 and GMC Acadia windshield problemhigh
- Feb 2, 2023Cadillac XT5, GMC Acadia Half-Shaft Can Separatehigh
- Sep 22, 2022Cadillac XT5, XT6, GMC Acadia Camera May Failhigh
- Sep 22, 2022Cadillac and GMC label with unreadable tire size informationmedium
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.