Use cautionVehicle recall · NHTSA · Published June 3, 2025
Cadillac CT4 (2020) Power Train Recall: Wheel Lock-Up Risk
General Motors recalls 2020 Cadillac CT4s with 10-speed transmission for potential wheel lock-up during driving, increasing crash risk. Owners must contact dealers for free software update.
General Motors is recalling 2020 Cadillac CT4 vehicles with a 10-speed transmission because the transmission may become damaged and cause wheels to lock up while driving. This could lead to a crash if the vehicle is not properly controlled. Read more at govinfonow.com/recall/79292-cadillac-ct4-2020-power-train-recall-wheel-lock-up-risk.
“Cadillac CT4 (2020) Power Train Recall: Wheel Lock-Up Risk.” GovInfoNow, updated August 18, 2026. https://govinfonow.com/recall/79292-cadillac-ct4-2020-power-train-recall-wheel-lock-up-risk. Based on NHTSA recall #25V148000 (https://www.nhtsa.gov/recalls?nhtsaId=25V148000).
General Motors LLC recalled certain Cadillac CT4, CT5, CT6 and Chevrolet Camaro vehicles due to a power train hazard that can cause wheels to lock up while driving. The National Highway Traffic Safety Administration announced the recall on June 3, 2025.
How to tell if you have it
Cadillac CT4, 2020-2021
Cadillac CT5, 2020-2021
Cadillac CT6, 2019-2020
Chevrolet Camaro, 2020-2022
What to do
Dealers will install transmission control module monitoring software free of charge. Owners may contact Cadillac customer service at 1-800-333-4223 or Chevrolet customer service at 1-800-222-1020.
The hazard
The transmission may become damaged internally and cause the wheels to lock-up, increasing the risk of a crash. NHTSA records show two owner complaints regarding the power train for these vehicles, two of which were marked serious.
Context
General Motors LLC has 414 other recalls on record since Feb. 11, 2011. Other recent recalls of similar products include a Chevrolet Silverado 2020 power train recall (Oct. 14, 2026) and a Cadillac Lyriq 2024 rearview camera malfunction risk (Oct. 14, 2026). Manufacturers have sent NHTSA 888 technical service bulletins covering the 2020 Cadillac CT4 as of Sept. 26, 2026.
How to tell if you have this one
Check if your 2020 Cadillac CT4 has a 10-speed transmission. The recall covers vehicles sold between 2020 and 2021.
Brand
Cadillac
Category
Vehicle
Based on the official NHTSA remedy
What to do — step by step
Contact Dealer for Update
Dealers will install a free software update to the transmission control module to prevent wheel lock-up.
Check Notification Status
Owner notification letters were mailed April 7, 2025, so you should have received one if affected.
Official remedy
What NHTSA says to do
Dealers will install transmission control module monitoring software, free of charge. Owner notification letters were mailed April 7, 2025. Owners may contact Cadillac customer service at 1-800-333-4223 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N242480630.
How this recall unfolded
Recall timeline
2 dated steps over 57 days.
1Owner letters mailed
2NHTSA received the defect report
Dates from the agency record only; steps without a date are left out.
Take action
Contact Cadillac
We’ve drafted a message you can send Cadillac to request your refund or repair — edit it as you like.
Subject: Recall 25V148000 — Cadillac CT4 (2020) Power Train Recall: Wheel Lock-Up Risk
Hello,
I own a Cadillac CT4 (2020) Power Train Recall: Wheel Lock-Up Risk that is covered by recall 25V148000 from Cadillac.
The official recall notice states: Dealers will install transmission control module monitoring software, free of charge. Owner notification letters were mailed April 7, 2025. Owners may contact Cadillac customer service at 1-800-333-4223 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N242480630.
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.
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.
Plain-language summary written by qwen3:4b on August 18, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.