Model year record

2021 Cadillac CT4

4 recall campaigns on file for this model year. 18 owner complaints on file.

Recalls

Recall campaignNHTSA 25V148000

Power train: automatic transmission

Component
Power train: automatic transmission
Manufacturer
General Motors, LLC
Vehicles affected
90,081
Reported to NHTSA
2025-03-06
Owners notified
2025-04-07

Defect description

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.

Safety risk

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

Manufacturer remedy

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.

Recall campaignNHTSA 22V903000

Exterior lighting: lighting control module: software

Component
Exterior lighting: lighting control module: software
Manufacturer
General Motors, LLC
Vehicles affected
740,108
Reported to NHTSA
2022-12-08
Owners notified
2023-01-23

Defect description

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."

Safety risk

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

Manufacturer remedy

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.

Recall campaignNHTSA 21V611000

Air bags: side/window: curtain

Component
Air bags: side/window: curtain
Manufacturer
General Motors, LLC
Vehicles affected
34,157
Reported to NHTSA
2021-08-05
Owners notified
2021-08-30

Defect description

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.

Safety risk

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

Manufacturer remedy

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.

Recall campaignNHTSA 21V421000

Air bags: SRS malfunction warning lamp/light

Component
Air bags: SRS malfunction warning lamp/light
Manufacturer
General Motors, LLC
Vehicles affected
285,622
Reported to NHTSA
2021-06-10
Owners notified
2021-07-01

Defect description

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.

Safety 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.

Manufacturer remedy

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.

Owner complaints

A complaint is one person's report to a federal agency. It is not a finding.

ComponentComplaintsMedian mileage
Engine5
Fuel/propulsion system4
Power train2
Vehicle speed control2
Electrical system1
Forward collision avoidance: warnings1
Steering1
Suspension1
Tires: sidewall1

The 2020 model has roughly the same number of complaints as this one. The 2022 model has roughly the same number of complaints as this one. These figures reflect raw complaint counts, not failure rates. Higher-selling model years naturally receive more complaints.

Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.