The problem
General Motors, LLC (GM) is recalling certain 2020-2022 Chevrolet Silverado 1500, 2500, 3500, GMC Sierra 1500, 2500, 3500, 2021 Cadillac Escalade, Escalade ESV, Chevrolet Tahoe, Suburban, GMC Yukon, and Yukon XL vehicles equipped with diesel engines. The transmission control valve may fail and cause the rear wheels to lock-up.
The risk
Rear wheel lock-up can increase the risk of a crash.
The fix
Dealers will install new transmission control module software, free of charge. GM will provide a special coverage program to cover the repair of transmissions that are identified by the remedy software as containing a defective control valve. Owner notification letters were mailed December 12, 2024. Owners may contact GM customer service at 1-888-988-7267, Cadillac customer service at 1-800-458-8006, GMC customer service at GMC 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N242454440.
Recall details
| NHTSA campaign | 24V-797 (24V797000) |
|---|---|
| Manufacturer number | N242454440 |
| Manufacturer | General Motors, LLC |
| Component | Power train › Automatic transmission › Fluid/lubricant › Valves/valve body |
| Report date | October 24, 2024 |
| Owners notified | December 12, 2024 |
| Vehicles affected | 463,295 |
| Initiated by | Manufacturer |
Vehicles covered
- 2021 Cadillac Escalade
- 2021 Cadillac Escalade ESV
- 2020 Chevrolet Silverado 1500
- 2021 Chevrolet Silverado 1500
- 2022 Chevrolet Silverado 1500
- 2020 Chevrolet Silverado 2500
- 2021 Chevrolet Silverado 2500
- 2022 Chevrolet Silverado 2500
- 2020 Chevrolet Silverado 3500
- 2021 Chevrolet Silverado 3500
- 2022 Chevrolet Silverado 3500
- 2021 Chevrolet Suburban
- 2021 Chevrolet Tahoe
- 2020 GMC Sierra 1500
- 2021 GMC Sierra 1500
- 2022 GMC Sierra 1500
- 2020 GMC Sierra 2500
- 2021 GMC Sierra 2500
- 2022 GMC Sierra 2500
- 2020 GMC Sierra 3500
- 2021 GMC Sierra 3500
- 2022 GMC Sierra 3500
- 2021 GMC Yukon
- 2021 GMC Yukon XL
Owner complaints about the transmission & drivetrain
- 2021 Cadillac Escalade transmission problems 10
- 2021 Cadillac Escalade ESV transmission problems 12
- 2020 Chevrolet Silverado 1500 transmission problems 235
- 2021 Chevrolet Silverado 1500 transmission problems 242
- 2022 Chevrolet Silverado 1500 transmission problems 187
- 2020 Chevrolet Silverado 2500 transmission problems 33
- 2021 Chevrolet Silverado 2500 transmission problems 30
- 2022 Chevrolet Silverado 2500 transmission problems 19
- 2020 Chevrolet Silverado 3500 transmission problems 16
- 2021 Chevrolet Silverado 3500 transmission problems 7
- 2022 Chevrolet Silverado 3500 transmission problems 3
- 2021 Chevrolet Suburban transmission problems 37
Frequently asked questions
Is the recall 24V-797 repair free?
Yes. Cadillac dealers will fix the problem at no cost: Dealers will install new transmission control module software, free of charge. GM will provide a special coverage program to cover the repair of transmissions that are identified by the remedy software as containing a defective control valve.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 463,295 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.