CT4

Cadillac CT4 Recalls

All 5 NHTSA recall campaigns on the Cadillac CT4 (2020–2023) — what failed, what it risks, how it gets fixed, and how many years passed before the defect was admitted.

NHTSA campaigns · 5 campaigns · Updated Aug 5, 2026
Quick answer

The Cadillac CT4 has 5 NHTSA recall campaigns on record covering 2020–2023. On average a defect was admitted 1.44 years after the car was built, the slowest took 5 years. The most recalled system is Air Bags (2 campaigns). Owners also filed 30 complaints on this model — see what breaks.

What was recalled on the Cadillac CT4

Grouped by system. Open any row for the campaigns themselves — what failed, what it risks and how the dealer fixes it, straight from the NHTSA filing.

Air Bags 40% 2 Read
2022 Cadillac CT4 · 21V611000 · admitted after 0 years

What's wrong. 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

Risk. Air bags that do not deploy properly can increase the risk of injury in a crash

Fix. 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

2021 Cadillac CT4 · 21V611000 · admitted after 0 years

What's wrong. 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

Risk. Air bags that do not deploy properly can increase the risk of injury in a crash

Fix. 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

2021 Cadillac CT4 · 21V421000 · admitted after 0 years

What's wrong. 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

Risk. The air bag malfunction indicator light may fail to warn the driver of a problem with the air bag, increasing the risk of injury

Fix. 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…

Exterior Lighting 20% 1 Read
2023 Cadillac CT4 · 22V903000 · admitted after 0 years

What's wrong. 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."

Risk. DRLs that do not deactivate as intended may result in a glare, reducing visibility, and increasing the risk of a crash

Fix. 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…

2022 Cadillac CT4 · 22V903000 · admitted after 0 years

What's wrong. 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."

Risk. DRLs that do not deactivate as intended may result in a glare, reducing visibility, and increasing the risk of a crash

Fix. 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…

2021 Cadillac CT4 · 22V903000 · admitted after 1 year

What's wrong. 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."

Risk. DRLs that do not deactivate as intended may result in a glare, reducing visibility, and increasing the risk of a crash

Fix. 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…

Power Train 20% 1 Read
2021 Cadillac CT4 · 25V148000 · admitted after 4 years

What's wrong. 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

Risk. Wheel lock-up while driving increases the risk of a crash

Fix. 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

2020 Cadillac CT4 · 25V148000 · admitted after 5 years

What's wrong. 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

Risk. Wheel lock-up while driving increases the risk of a crash

Fix. 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

Service Brakes 20% 1 Read
2020 Cadillac CT4 · 20V588000 · admitted after 0 years

What's wrong. General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette and Cadillac CT4, CT5 and XT4, 2021 Chevrolet Trailblazer, and 2020-2021 Buick Encore GX vehicles. Sensor connection contamination in the electronic brake boost system may cause an interruption of communication between the sensor and the brake boost system

Risk. If communication with the sensor is interrupted, the electronic brake boost assist could be lost. Extra pedal force will be required to slow and stop the vehicle, increasing the risk of a crash

Fix. GM will notify owners, and dealers will replace the electronic brake boost module, free of charge. The recall began December 9, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM's number for this recall is…

How long a defect stays unadmitted

Campaign numbers encode the year of the announcement, so each recall on this model can be dated against the car it applies to.

FIG.03·Cadillac CT4 — how fast defects were admitted
MeasureValue
Average gap before admission1.44 years
Slowest campaign5 years
Admitted 5+ years later11.1%
Campaigns on record5
ROWS 4·SOURCE ForCar, computed from NHTSA campaign numbers

Which CT4 years were recalled most

Campaigns per model year. A year with more campaigns is not automatically worse — it may simply have sold in far greater numbers.

FIG.04·Cadillac CT4 recalls by model year
Model yearCampaignsMost recalled system
20231Exterior Lighting
20222Air Bags
20214Air Bags
20204Service Brakes
ROWS 4·SOURCE NHTSA recall campaigns

Check your own car

A campaign applies to a range of production, not to every car of the model. The only way to know whether yours is affected — and whether the repair was already done — is by VIN.

FIG.05·How to check a recall by VIN
StepWhat you get
Enter the VIN aboveOpen campaigns for that exact vehicle, straight from NHTSA
Check the repair statusWhether the free fix has already been carried out on this car
Book at any franchised dealerRecall work is free regardless of age, mileage or owner
ROWS 3·SOURCE ForCar
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Frequently asked questions

How many recalls does the Cadillac CT4 have?

5 NHTSA campaigns on record, covering 2020–2023. Not every campaign applies to every car — coverage is by production range, so check your VIN.

Is recall work free?

Yes. Safety recall repairs are free at any franchised dealer regardless of the car's age, mileage or how many owners it has had. That is a federal requirement, not a courtesy.

How do I know if my CT4 still has an open recall?

Enter its VIN above. We show campaigns that apply to that exact vehicle and whether the repair has already been recorded as done.

Why did a defect take years to be recalled?

On this model the average gap between the car being built and the defect being admitted is 1.44 years, and the slowest campaign came 5 years later. Defects usually surface as they accumulate in the field: complaints pile up, an investigation opens, and only then is a campaign issued.

Recall campaigns from NHTSA, published as filed. Years elapsed before admission computed by ForCar from the campaign number, which encodes the year it was announced. Last updated Aug 2026. — ForCar Reviewed by , founder of ForCar.