Recalls apply to specific production ranges. To see whether a particular car still has an open recall, enter its VIN at nhtsa.gov/recalls. Repairs for safety recalls are free at authorised dealers.
2020 Cadillac CT4 recalls
Power train: automatic transmission
NHTSA campaign 25V148000 · reported March 6, 2025 · General Motors, LLC · 90,081 vehicles potentially affected
- The problem
- 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.
- The risk
- Wheel lock-up while driving increases the risk of a crash.
- The 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.
Exterior lighting: lighting control module, software
NHTSA campaign 22V903000 · reported December 8, 2022 · General Motors, LLC · 740,108 vehicles potentially affected
- The problem
- 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."
- The risk
- DRLs that do not deactivate as intended may result in a glare, reducing visibility, and increasing the risk of a crash.
- The 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 1-800-458-8006. GM's number for this recall is N222386380. This recall expands previous recall number 22V-827.
Air bags: side/window, curtain · Air bags
NHTSA campaign 21V611000 · reported August 5, 2021 · General Motors, LLC · 34,157 vehicles potentially affected
- The problem
- 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.
- The risk
- Air bags that do not deploy properly can increase the risk of injury in a crash.
- The 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.
Service brakes
NHTSA campaign 20V588000 · reported September 24, 2020 · General Motors LLC · 3,677 vehicles potentially affected
- The problem
- 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.
- The 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.
- The 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 A202307260.
What owners report
Recent complaints filed with NHTSA, shortened. These are unverified accounts from owners, not findings.
Aug 26, 2026 · Service brakes
Total brake system failure. Lost almost all brake function nearly causing an accident. June 17, 2026 car was taken to dealership. Electronic Brake Control Module (EBCM), Brake Master Cylinder, Brake Pedal Retainer replacement required. August 7, 2026 received a call from dealer stating that EBCM replacement was faulty…
Aug 25, 2026 · Engine
69,000 mile oil change I was told i needed to spend thousands of dollars on repairing an oil leak b/c my Cam carrier is leaking. Cadillac has a know issue with this repair and refuses to stand behind it's product. Numerous complaints already on forums and yet they charge thousands to fix. A top name brand that can't…
Jul 23, 2026 · Power train
I had two incidents with the Cadillac CT-4 in February and then again in April of 2026 of driving on I-75 at a highway speed of about 70 MPH when the vehicle suddenly downshifted and the engine revving at at very high RPM. The vehicle slowed down suddenly and it felt for a moment that I could not control the speed…
Jun 23, 2026 · Service brakes
The electronic brake control module, break retainer, brake master cylinder and brake valve all failed. I was driving to lunch and coming down a hill when multiple warning lights turned on as I pressed the brakes. I had almost no braking power as I approached a stop sign that lets you enter a highway almost causing me…
Jun 8, 2026 · Engine
The vehicle shudders and loses power when accelerating fast. My wife almost got hit when she pulled out in traffic the car stalled out. It is due to the cylinder deactivation (afm).
Source: NHTSA recall and complaint data, updated October 27, 2026. Latest complaint received August 26, 2026.