Recall 25V148 covers 90,081 2019-2022 Cadillac CT4, CT6, CT5, and Chevrolet Camaro vehicles for transmission damage. Free software repair at any franchised Cadillac dealer.
Cadillac is recalling 90,081 2019-2022 CT4, CT6, CT5, and Camaro vehicles equipped with a 10-speed transmission because internal transmission damage can lock the wheels. Wheel lock-up while driving increases the risk of a crash, and Cadillac dealers will complete the recall repair free of charge.
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What's wrong?
The transmission control valve body is a hydraulic control part inside the 10-speed automatic transmission on affected 2019-2022 CT4, CT6, CT5, and Camaro vehicles. It routes transmission fluid pressure to the right passages so the transmission can choose gears smoothly and keep power moving to the wheels.
On these vehicles, excessive wear inside the valve body can let transmission fluid leak where pressure is supposed to stay sealed. That pressure drop can move certain valves unexpectedly. When that happens, the transmission can be damaged internally and the wheels can lock up while the vehicle is moving.
Drivers are told to watch for harsh shifting. That rough shift feel is the warning sign named for this defect, and it means the transmission needs dealer attention before the condition gets worse.
Who's affected?
Covers four model lines across the 2019, 2020, 2021, and 2022 model years, all involving the automatic transmission control valve body.
| 2020 Cadillac CT4 | automatic transmission |
|---|---|
| 2019 Cadillac CT6 | automatic transmission |
| 2020 Cadillac CT5 | automatic transmission |
| 2020 Cadillac CT6 | automatic transmission |
| 2020 Chevrolet Camaro | automatic transmission |
| 2021 Chevrolet Camaro | automatic transmission |
| 2021 Cadillac CT4 | automatic transmission |
| 2021 Cadillac CT5 | automatic transmission |
| 2022 Chevrolet Camaro | automatic transmission |
| Units affected | 90,081 |
| Field incidents | NHTSA has logged 116 field incidents to date. |
A matching year and model does not guarantee inclusion. Check your VIN to confirm whether your specific vehicle is included.
What's the safety risk?
Wheel lock-up while driving increases the risk of a crash. Harsh shifting is the warning sign to watch for, so schedule the repair soon if your VIN is included. Repair is free at any franchised Cadillac dealer.
What should I do?
- Check your VIN to confirm your 2019-2022 CT4, CT6, CT5, or Camaro is included in this recall.
- Contact a franchised Cadillac or Chevrolet dealer to schedule the free transmission control module software update.
- Tell the dealer the software monitors the 10-speed transmission for internal damage that can lead to wheel lock-up.
- Bring the recall notice if Cadillac mailed one. If not, reference recall number 25V148 when you call.
- Drive cautiously until the software update is complete. Pull over safely and contact the dealer if the transmission acts abnormally.
What happens at the repair
At the dealer, a Cadillac technician installs transmission control module monitoring software. The update is the recall repair for vehicles equipped with the 10-speed transmission, and parts and labor are covered. If you've already paid for a related repair, GM's submitted reimbursement plan covers eligible documented costs. Contact Cadillac customer service at 1-800-333-4223, or Chevrolet customer service at 1-800-222-1020 for Camaro service paperwork.
| Reimbursement | Reimbursement available |
|---|
Timeline
| March 6, 2025 | NHTSA published the recall |
|---|---|
| March 6, 2025 | Dealer notification began |
| March 6, 2025 | Dealer notification ended |
| April 7, 2025 | Owner notification mailed |
| September 16, 2025 | Interim owner notification (was planned for this date) |
Frequently asked questions
What is recall 25V148?
Recall 25V148 covers 90,081 2019-2022 Cadillac CT4, CT6, CT5, and Chevrolet Camaro vehicles with 10-speed transmissions. Internal transmission damage can cause wheel lock-up while driving, increasing crash risk. Dealers will install transmission control module monitoring software for free.
What should I do if my 2019-2022 Cadillac CT4, CT6, CT5, or Chevrolet Camaro is on this recall?
Check your VIN to confirm your specific vehicle is included in recall 25V148. If it is, contact a franchised Cadillac or Chevrolet dealer to schedule the transmission control module software installation. Reference GM recall number N242480630 when you call. The repair is free.
Is the recall repair free?
Yes. Federal recall law requires the manufacturer to repair the defect at no cost. For recall 25V148, the dealer will install transmission control module monitoring software free of charge at a franchised Cadillac or Chevrolet dealer.
Is it safe to drive with this transmission recall?
Wheel lock-up while driving increases crash risk. The recall does not include a do-not-drive order, but owners should confirm their VIN and schedule the free software installation promptly if their vehicle is included.
When were owners notified about recall 25V148?
GM mailed owner notification letters on April 7, 2025. If you bought the vehicle used or never received a letter, check your VIN to confirm whether your specific Cadillac CT4, CT6, CT5, or Chevrolet Camaro is included.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/25V148000 |
|---|---|
| Cadillac customer service | 1-800-333-4223 |
| NHTSA recall # | 25V148 |
| NHTSA recall # (full) | 25V148000 |
Source documents
-
Download Quarterly Report (PDF) - Download Owner Notification Letter (PDF)
- Download Recall Document (PDF) (PDF)
- Download Recall Report (PDF)
- Download Owner Notice (PDF)
- Download Recall Acknowledgement (PDF)
- Download Recall Investigation Document (PDF) (PDF)
This article is generated from NHTSA's primary recall filings and reviewed against the source on May 19, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →