The problem
General Motors LLC (GM) is recalling certain 2019-2020 Cadillac CT6, 2020-2021 CT4, CT5, and 2020-2022 Chevrolet Camaro vehicles equipped with a 10-speed transmission. The transmission may become damaged internally and cause the wheels to lock-up.
The risk
Wheel lock-up while driving increases the risk of a crash.
The fix
Dealers will install transmission control module monitoring software, free of charge. Owner notification letters were mailed April 7, 2025. Owners may contact Cadillac customer service at 1-800-333-4223 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N242480630.
Recall details
| NHTSA campaign | 25V-148 (25V148000) |
|---|---|
| Manufacturer number | N242480630 |
| Manufacturer | General Motors, LLC |
| Component | Power train › Automatic transmission |
| Report date | March 6, 2025 |
| Owners notified | April 7, 2025 |
| Vehicles affected | 90,081 |
| Initiated by | Manufacturer |
Vehicles covered
Owner complaints about the transmission & drivetrain
- 2020 Cadillac CT4 transmission problems 2
- 2021 Cadillac CT4 transmission problems 1
- 2020 Cadillac CT5 transmission problems 15
- 2021 Cadillac CT5 transmission problems 4
- 2019 Cadillac CT6 transmission problems 14
- 2020 Cadillac CT6 transmission problems 6
- 2020 Chevrolet Camaro transmission problems 11
- 2021 Chevrolet Camaro transmission problems 10
- 2022 Chevrolet Camaro transmission problems 3
Frequently asked questions
Is the recall 25V-148 repair free?
Yes. Cadillac dealers will fix the problem at no cost: Dealers will install transmission control module monitoring software, free of charge. Owner notification letters were mailed April 7, 2025. Owners may contact Cadillac customer service at 1-800-333-4223 or Chevrolet customer service at 1-800-222-1020.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 90,081 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.