Control module: softwareRecall 24V-797 · Cadillac and Chevrolet vehicles
General Motors, LLC recall 24V-797 covers 463,295 Cadillac and Chevrolet vehicles for a control module: software problem, reported to NHTSA on October 24, 2024. The manufacturer's latest report (2026 Q3) shows 78% of affected vehicles repaired.
Source: NHTSA recall 24V797000 and manufacturer quarterly reports. Started by the manufacturer.
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 repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
78%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA. 4,063 vehicles were listed as unreachable.