The defect
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 remedy
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.
NHTSA's own wording · initiated by MFR
Vehicles covered
Components: POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY | POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
Other power train recalls in 2024
41 of the 950 recall campaigns reported to NHTSA in 2024 concerned the power train; General Motors, LLC filed 186 campaigns in all.
| 24V941000 18 Dec 2024 | Mercedes-Benz USA, LLC |
| 24V903000 2 Dec 2024 | PACCAR Incorporated |
| 24V862000 15 Nov 2024 | Mercedes-Benz USA, LLC |
| 24V853000 8 Nov 2024 | Diamond C Trailer MFG |
| 24V839000 7 Nov 2024 | General Motors, LLC |
| 24V830000 4 Nov 2024 | International Motors, LLC |
| 24V825000 1 Nov 2024 | Honda (American Honda Motor Co.) |
| 24V815000 31 Oct 2024 | Mazda North American Operations |
NHTSA recalls (public domain) · all recalls of 2024