Cadillac CT4 recalls

5 official safety recalls for the Cadillac CT4 from NHTSA (United States), DVSA (United Kingdom) and the EU Safety Gate, newest first. Recall repairs are normally free at the maker’s dealers.

Whether your car is affected and still needs the repair depends on its VIN or registration. Check it on the official site for your country:

  1. Transmission may fail and lock the wheels

    Reported March 6, 2025Model years 2020–2021NHTSA campaign 25V14800090,081 vehicles affected

    The transmission may become damaged internally and lock the wheels while driving, increasing the risk of a crash. Dealers will install transmission control module monitoring software free of charge.

    Official NHTSA recall text
    Component
    POWER TRAIN:AUTOMATIC TRANSMISSION
    Defect
    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
    Wheel lock-up while driving increases the risk of a crash.
    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.
    Notes
    Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 888-327-4236 (TTY 888-275-9171) or go to nhtsa.gov.

  2. Daytime running lights may stay on with headlights

    Reported December 8, 2022Model years 2020–2023NHTSA campaign 22V903000740,108 vehicles affected

    The daytime running lights may not turn off when the headlights are on, causing glare that reduces visibility and increases crash risk. A dealer or over-the-air software update will correct this free of charge.

    Official NHTSA recall text
    Component
    EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE
    Defect
    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
    DRLs that do not deactivate as intended may result in a glare, reducing visibility, and increasing the risk of a crash.
    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.
    Notes
    Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

  3. Roof rail air bags may be installed incorrectly

    Reported August 5, 2021Model years 2020–2022NHTSA campaign 21V61100034,157 vehicles affected

    The roof rail side-curtain air bags may be installed incorrectly and deploy improperly in a crash, increasing injury risk. Dealers will inspect both sides and reinstall the air bags if necessary, free of charge.

    Official NHTSA recall text
    Component
    AIR BAGS:SIDE/WINDOW:CURTAIN
    Defect
    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
    Air bags that do not deploy properly can increase the risk of injury in a crash.
    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.
    Notes
    Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

  4. Air bag warning light may fail to illuminate

    Reported June 10, 2021Model years 2021NHTSA campaign 21V421000285,622 vehicles affected

    A software issue may cause the air bag malfunction indicator light to illuminate inconsistently, so it may not warn the driver of an air bag problem and injury risk. A dealer will update the software or provide an over-the-air update free of charge.

    Official NHTSA recall text
    Component
    AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT
    Defect
    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
    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
    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.
    Notes
    Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

  5. Brake boost sensor communication may be interrupted

    Reported September 24, 2020Model years 2020NHTSA campaign 20V5880003,677 vehicles affected

    Contamination at a sensor connection may interrupt communication with the electronic brake boost system, causing loss of brake assist. Extra pedal force may be needed to slow and stop the vehicle, increasing the risk of a crash. Dealers will replace the brake boost module, free of charge.

    Official NHTSA recall text
    Component
    SERVICE BRAKES
    Defect
    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.
    Consequence
    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.
    Remedy
    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 A202307260.
    Notes
    Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Sources: NHTSA (US National Highway Traffic Safety Administration), DVSA (UK Driver and Vehicle Standards Agency) and the EU Safety Gate (European Commission) recall data. Each recall covers vehicles sold in that market; models sold elsewhere may differ.

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