NHTSA campaign 24V839000 · Manufacturer campaign N242471620
Chevrolet and GMC Recall 24V-839: Incorrect Software in Transmission Control Module
NHTSA recall 24V839000 (Manufacturer campaign N242471620) was reported by General Motors, LLC on November 7, 2024, with 77,824 vehicles potentially affected (per NHTSA). NHTSA's record lists the GMC Savana, Chevrolet Equinox and Chevrolet Express for model years 2022–2023. Owners were notified on December 9, 2024, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 24V839000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 24V839000 (also written 24V-839 or 24V839)
- Filed by
- General Motors, LLC
- Manufacturer campaign number
- N242471620
- Report received
- Potentially affected
- 77,824 vehicles (per NHTSA)
- Component
- Power Train — Automatic Transmission — Control Module — Software
- Owners notified
Repair completion: 70.95% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 24V839000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
Chevrolet
All Chevrolet recallsGMC
All GMC recallsNHTSA's recall notice
As NHTSA's recall record states it for campaign 24V839000.
Defect description
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.
Manufacturer remedy
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.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153) or go to www.nhtsa.gov.
Sources
Official NHTSA notice for recall 24V839000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.