Incorrect software in transmission control module
Defect Summary
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.
Safety Consequence
Rear wheel lock-up or moving in an unintended direction can increase the risk of a crash.
Corrective Action
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.
Similar Recalls
Other recalls from General Motors, Llc or involving Power Train.
FAQ: Recall 24V839000
Your rights, the repair process, and what each field on this page means.
What is recall 24V839000?
NHTSA recall 24V839000 was issued by General Motors, Llc on November 7, 2024. It addresses: Incorrect software in transmission control module. The recall affects approximately 77,824 vehicles, with the defect involving the Power Train component.
How do I get this recall repaired?
Contact any authorized General Motors, Llc dealer and reference NHTSA recall ID 24V839000 or the manufacturer campaign number N242471620. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.