Recall 23V172 covers 8,744 2022-2023 XT5, Blazer, XT6, Traverse, and Acadia vehicles for incorrect transmission sun gears. Repair is free at any franchised Cadillac dealer.
Cadillac recall 23V172 covers 8,744 2022-2023 XT5, Blazer, XT6, Traverse, and Acadia vehicles because the transmission can contain the wrong sun gear. A driver-side half-shaft can disengage from the transmission, which can cause loss of drive power or rollaway in park, and Cadillac dealers will complete the repair free of charge.
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What's wrong?
The transmission sun gear in these 2022-2023 XT5, Blazer, XT6, Traverse, and Acadia vehicles is an internal gear that helps route engine power through the automatic transmission. It is part of the front differential carrier gear set, the group of gears that sends power from the transmission to the front drive axle. When its size and shape are correct, the half-shaft stays engaged and power reaches the wheels.
On the recalled vehicles, the transmission was built with a sun gear that is dimensionally wrong. GM traced the problem to the transmission manufacturing process, where incorrect sun gears were not identified and contained. With the wrong gear in place, the driver-side half-shaft can disengage from the transmission. If that happens, the vehicle can lose propulsion.
Drivers can hear a grinding or clicking noise from the front of the vehicle before the half-shaft disengages. That sound is the warning sign to take seriously and report when arranging the recall repair.
Who's affected?
Spans Cadillac, Chevrolet, and GMC SUVs across the 2022 and 2023 model years; each uses the same transmission sun gear.
| 2022 Cadillac XT5 | automatic transmission |
|---|---|
| 2023 Chevrolet Blazer | automatic transmission |
| 2023 Cadillac XT6 | automatic transmission |
| 2023 Cadillac XT5 | automatic transmission |
| 2023 Chevrolet Traverse | automatic transmission |
| 2023 GMC Acadia | automatic transmission |
| Units affected | 8,744 |
| Field incidents | NHTSA has logged no field incidents to date. |
A matching year and model does not guarantee inclusion. Check your VIN to confirm whether your specific SUV is included.
What's the safety risk?
A disengaged half-shaft can cause loss of drive power or vehicle rollaway after shifting into park, increasing crash risk. Grinding or clicking from the front of the vehicle is the warning sign to treat seriously. Schedule the repair soon. Repair is free at any franchised Cadillac dealer.
What should I do?
- Check your VIN to confirm your 2022-2023 XT5, Blazer, XT6, Traverse, or Acadia is included in this recall.
- Contact a franchised Cadillac, Chevrolet, or GMC dealer to schedule the free sun-gear replacement that fixes the incorrect transmission sun gear.
- Reference recall number 23V172 when you call, and bring the owner letter if you have it.
- Ask the dealer whether the half-shaft risk affects driving or parking before your appointment, since the defect can cause loss of drive power or vehicle rollaway.
What happens at the repair
At the dealer, a Cadillac technician replaces the transmission sun gears covered by recall 23V172. Parts and labor are covered under the recall, and the dealer repair is free now that the remedy is available. The incorrect sun gear is inside the transmission and is tied to the half-shaft disengagement described in the filing. Out-of-pocket repairs already paid are handled through the existing warranty, not through a separate reimbursement program, because all covered vehicles are under warranty. Ask the service desk how warranty coverage applies if you have prior repair paperwork.
| Reimbursement | Warranty coverage applies |
|---|
Timeline
| March 16, 2023 | NHTSA published the recall |
|---|---|
| March 16, 2023 | Dealer notification began |
| March 16, 2023 | Dealer notification ended |
| July 27, 2023 | Owner notification mailed |
| August 31, 2023 | VIN-searchable in NHTSA's database — Check your VIN to see whether this recall applies to your specific vehicle. |
| August 31, 2023 | Interim owner notification (was planned for this date) |
Frequently asked questions
What is recall 23V172?
Recall 23V172 covers 8,744 2022-2023 Cadillac XT5, 2023 Cadillac XT6, Chevrolet Blazer, Chevrolet Traverse, and GMC Acadia vehicles with a transmission sun gear built incorrectly. The defect can let the driver-side half-shaft disengage from the transmission, causing loss of drive power or rollaway in park.
What should I do if my 2022-2023 Cadillac XT5, Cadillac XT6, Chevrolet Blazer, Chevrolet Traverse, or GMC Acadia is on this recall?
Check your VIN to confirm your specific vehicle is included in recall 23V172. If it is, contact a franchised dealer for your vehicle brand and schedule the sun gear replacement. Reference recall number 23V172 or GM recall number N222389310 when you call.
Is the recall repair free?
Yes. Federal recall law requires the manufacturer to repair the defect at no cost, and GM dealers will replace the transmission sun gears free of charge. Parts and labor are covered for vehicles included in recall 23V172.
What is the safety risk?
The safety risk is loss of drive power or vehicle rollaway when the vehicle is placed in park. NHTSA campaign 23V172 states that either condition can increase crash risk. If your VIN is included, schedule the free transmission repair.
When were owners notified about recall 23V172?
Owner notification letters were mailed on July 27, 2023. The remedy became available after August 31, 2023, so included vehicles are eligible for the free dealer repair now.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/23V172000 |
|---|---|
| Cadillac customer service | 1-800-458-8006 |
| NHTSA recall # | 23V172 |
| NHTSA recall # (full) | 23V172000 |
Source documents
-
Download Quarterly Report (PDF) - Download Misc. Document (PDF)
- Download Owner Notice (PDF)
- Download Recall Investigation Document (PDF) (PDF)
- Download Owner Notification Letter (PDF)
- Download Recall Report (PDF)
- Download Recall Document (PDF) (PDF)
- Download Recall Acknowledgement (PDF)
This article is generated from NHTSA's primary recall filings and reviewed against the source on May 20, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →