The problem
General Motors, LLC (GM) is recalling certain 2022-2023 Chevrolet Express and GMC Savana vehicles. Incorrect software in the transmission control module (TCM) may result in harsh shifting, reduced power, unintended deceleration, rear wheel lockup, or cause the vehicle to move in an unintended direction.
The risk
Rear wheel lock-up or moving in an unintended direction can increase the risk of a crash.
The fix
Dealers will update the transmission control module software calibration, free of charge. Owner notification letters were mailed December 9, 2024. Owners may contact GM customer service at 1-888-988-7267, Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N242471620.
Recall details
| NHTSA campaign | 24V-839 (24V839000) |
|---|---|
| Manufacturer number | N242471620 |
| Manufacturer | General Motors, LLC |
| Component | Power train › Automatic transmission › Control module › Software |
| Report date | November 7, 2024 |
| Owners notified | December 9, 2024 |
| Vehicles affected | 77,824 |
| Initiated by | Manufacturer |
Vehicles covered
Plus 1 other model/year combinations not covered on this site.
Owner complaints about the transmission & drivetrain
Frequently asked questions
Is the recall 24V-839 repair free?
Yes. Chevrolet dealers will fix the problem at no cost: Dealers will update the transmission control module software calibration, free of charge. Owner notification letters were mailed December 9, 2024.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 77,824 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.