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Free public service · Official NHTSA & EPA data

NHTSA campaign number

24V797000

Drivetrain issue — affecting 14 model years across Cadillac, Chevrolet, GMC.

Issued
Manufacturer
General Motors, LLC
Model years
2020–2022
System
Powertrain

Elevated severity

This campaign addresses a defect NHTSA classifies as carrying elevated crash or injury risk.

What the defect is

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.

Why it matters

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.

What this page does not include

NHTSA's public recall feed does not supply an affected-population count, the manufacturer's own campaign number, owner-notification dates or a defect chronology for this campaign. Rather than estimate them, we omit them. Confirm whether a specific vehicle is affected — and whether the repair has already been done — using its VIN.

Check a VIN