GM recalls 2020 Chevrolet Silverados with diesel engines due to rear wheel lock-up risk. Owners must contact GM for free software update to prevent crash hazards.
Rear wheel lock-up can increase the risk of a crash.
GM is recalling certain 2020 Chevrolet Silverado 2500 trucks with diesel engines because a faulty transmission control valve can cause rear wheels to lock up, increasing crash risk. Affected owners should contact GM for a free software update to fix the issue.
The transmission control valve can fail, causing rear wheels to lock up. This lock-up increases the risk of a crash during normal driving conditions, particularly when accelerating or changing gears.
Owners of 2020 Chevrolet Silverado 2500 trucks with diesel engines are affected. Drivers using these vehicles may face increased crash risk if rear wheels lock up.
Check if your 2020 Chevrolet Silverado 2500 has a diesel engine. The recall covers vehicles with specific transmission control valves that may fail.
Call GM at 1-888-988-7267 or other provided numbers to schedule a free software update for the transmission control module.
If the remedy software identifies a defective control valve, GM will cover transmission repairs under their special program.
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.
The transmission control valve may fail, causing rear wheels to lock up and increasing crash risk.
Check if your 2020 Chevrolet Silverado 2500 has a diesel engine. The recall covers vehicles with specific transmission control valves that may fail.
Contact GM customer service to schedule a free software update for the transmission control module.
We’ve drafted a message you can send Chevrolet to request your refund or repair — edit it as you like.
Subject: Recall 24V797000 — Chevrolet Chevrolet Hello, I own a Chevrolet that is covered by recall 24V797000 from Chevrolet. The official recall notice states: 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. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
