2021 Cadillac CT4: recalls and complaints
NHTSA lists 4 recall campaigns for the 2021 Cadillac CT4. The newest campaign is 25V148000. NHTSA received the report on 6 Mar 2025. The NHTSA record gives the component Power Train / Automatic Transmission. NHTSA has no complaint on file for this model year. 1 NHTSA investigation names this model year.
The NHTSA recall file shows no do-not-drive advisory and no park-outside advisory on these campaigns.
This page cannot show if a recall applies to one vehicle. The NHTSA VIN lookup shows the unrepaired recalls of one vehicle.
Remedy of the newest campaign, 25V148000, in the NHTSA record
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.
Complaint information entered into NHTSA’s Office of Defects Investigation vehicle owner's complaint database is used with other data sources to identify safety issues that warrant investigation and to determine if a safety-related defect trend exists.
NHTSA publishes these words. Source: NHTSA Datasets and APIs, section Complaints, read on . Complaint file through . Recall file through .
Since the last update
No tracked figure of this page changed in a data update. What the log tracks
Recall campaigns
4 campaigns, newest first. 1,149,968 units in total.
- 25V148000Power Train / Automatic Transmission
- 22V903000Exterior Lighting / Lighting Control Module / Software
- 21V611000Air Bags / Side/Window / Curtain
- 21V421000Air Bags / Srs Malfunction Warning Lamp/Light
25V148000Received . 90,081 units.
Power Train / Automatic Transmission
- Defect, in the NHTSA record
General Motors LLC (GM) is recalling certain 2019-2020 Cadillac CT6, 2020-2021 CT4, CT5, and 2020-2022 Chevrolet Camaro vehicles equipped with a 10-speed transmission. The transmission may become damaged internally and cause the wheels to lock-up.
- Consequence, in the NHTSA record
Wheel lock-up while driving increases the risk of a crash.
- Remedy, in the NHTSA record
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.
Report filed by General Motors, LLC. Manufacturer campaign number N242480630. Owner notification date in the NHTSA record: .
22V903000Received . 740,108 units.
Exterior Lighting / Lighting Control Module / Software
- Defect, in the NHTSA record
General Motors, LLC (GM) is recalling certain 2020-2023 Cadillac CT4 and CT5; 2021-2023 Buick Envision; and 2022-2023 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles. The daytime running lights (DRLs) may not deactivate when the headlights are on. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
- Consequence, in the NHTSA record
DRLs that do not deactivate as intended may result in a glare, reducing visibility, and increasing the risk of a crash.
- Remedy, in the NHTSA record
The body control module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed January 23, 2023. Owners may contact GMC customer service at 1-888-988-7267, Chevrolet customer service at 1-800-222-1020, or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N222386380. This recall expands previous recall number 22V-827.
Report filed by General Motors, LLC. Manufacturer campaign number N222386380. Owner notification date in the NHTSA record: .
21V611000Received . 34,157 units.
Air Bags / Side/Window / Curtain
- Defect, in the NHTSA record
General Motors, LLC. (GM) is recalling certain 2020-2022 Cadillac CT4 and CT5 vehicles. The roof rail side-curtain air bags may not have been installed correctly, which could result in an improper air bag deployment during a crash.
- Consequence, in the NHTSA record
Air bags that do not deploy properly can increase the risk of injury in a crash.
- Remedy, in the NHTSA record
Dealers will inspect both left and right-side roof rail air bags and reinstall the air bags, as necessary, free of charge. Owner notification letters were mailed on August 30, 2021. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is N212342780.
Report filed by General Motors, LLC. Manufacturer campaign number N212342780. Owner notification date in the NHTSA record: .
21V421000Received . 285,622 units.
Air Bags / Srs Malfunction Warning Lamp/Light
- Defect, in the NHTSA record
General Motors, LLC (GM) is recalling certain 2021 Buick Envision, Cadillac CT4, CT5, Escalade, Escalade ESV, Chevrolet Tahoe, Corvette, Suburban, GMC Yukon, Yukon XL vehicles. The communications gateway module incorrectly processes a loss of communication with the sensing diagnostic module (SDM), causing the air bag malfunction indicator light to inconsistently illuminate.
- Consequence, in the NHTSA record
The air bag malfunction indicator light may fail to warn the driver of a problem with the air bag, increasing the risk of injury.
- Remedy, in the NHTSA record
The communications gateway module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed on July 1, 2021. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is N212338110.
Report filed by General Motors, LLC. Manufacturer campaign number N212338110. Owner notification date in the NHTSA record: .
The campaign number opens the NHTSA record. Each quotation is the text of the NHTSA recall file.
Recall campaign: One recall in the NHTSA recall file, with one campaign number. A campaign can name many makes, models and model years.
Units: The number of vehicles or products that a recall can include. The manufacturer or the firm reports the number to the agency.
Complaints by component
The NHTSA complaint file has no complaint for this model year.
Investigations
| Number | Type | Subject | Component | Opened | Closed | Campaign |
|---|---|---|---|---|---|---|
| PE21010 | Preliminary evaluation | Air Bag Malfunction | Air Bags / Frontal / Driver Side / Inflator Module | 9 Apr 2021 | 24 Aug 2023 |
Investigation: A study of a possible safety defect by the NHTSA Office of Defects Investigation. An investigation with no closing date in the NHTSA file is open.
Other model years
The number under each year is the number of recall campaigns.
A year without a link has fewer than 2 campaigns and fewer than 25 complaints. It has no page.
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Official channels
- NHTSA VIN lookupNHTSA shows the unrepaired recalls of one vehicle from its VIN or its license plate.
- NHTSA: report a safety problemThe NHTSA form for a complaint about a vehicle, a tire, a child seat or equipment.
- NHTSA page of the 2021 Cadillac CT4The recalls, the complaints and the investigations that NHTSA shows for this model year.
Cite this page
Recall Register. 2021 Cadillac CT4: recalls and complaints. https://recallregister.com/vehicle/cadillac/ct4/2021/. Source: NHTSA Office of Defects Investigation, recall, complaint and investigation files. Data through .
Sources
- Source
- NHTSA Office of Defects Investigation
- Licence
- US government work, public domain
- Recall file through
- 29 Sep 2026
- Complaint file through
- 15 May 2019
- First complaint in the file
- 1 Jan 1995
- Manufacturer in the recall file
- General Motors, LLC
The NHTSA record is the authority. A complaint count is the number of different complaint numbers for the make, the model and the model year. How the register is made. Report an error.
Questions
- How many units are in the recall campaigns for the 2021 Cadillac CT4?
- 1,149,968 units in 4 campaigns. A campaign can name other models and model years, and its units include them.
- How many recall campaigns does the Cadillac CT4 have for all model years?
- NHTSA lists 5 recall campaigns for the Cadillac CT4, model years 2020 to 2023. 4 of them name the 2021 model year.
- Is an NHTSA investigation of the 2021 Cadillac CT4 open?
- No. The 1 investigation that names this model year has a closing date in the NHTSA file.