2023 Cadillac Ct4 problems, complaints & recalls
Most-reported problem areas: Vehicle Speed Control (1) · Power Train (1) · Fuel/Propulsion System (1)
🧭 Reliability snapshot
Compared against other Cadillac Ct4 model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (1)
Exterior Lighting:lighting Control Module:software 2022-12-08 · campaign 22V903000 · 740,108 vehicles
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."
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 1-800-458-8006. GM's number for this recall is N222386380. This recall expands previous recall number 22V-827.
Service bulletins (554)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-10-07 · PIT6110L · Service Bulletin/Repair Instructions
this preliminary information communicates an issue with the ses mil and dtc p062b and engineering is currently investigating.
Unknown Or Other 2026-09-28 · PIT6457C · Service Bulletin/Repair Instructions
this preliminary information is for technicians that may see dtcs that are history and should not perform any part replacements. they should follow the notes mentioned prior to anything being replaced.
Unknown Or Other 2026-09-28 · PIC6540K · Service Bulletin/Repair Instructions
this preliminary information communicates to dealers a procedure to reset the radio.
Unknown Or Other 2026-09-26 · PIT5698F · Service Bulletin/Repair Instructions
this pi provides diagnostics tips on how the lin bus works and how to diagnosis it.
Unknown Or Other 2026-09-21 · PIP5700H · Service Bulletin/Repair Instructions
this pi communicates the proper part numbers for transmission connectors and internal harness to prevent confusion when ordering
Unknown Or Other 2026-09-08 · PIC6555A · Service Bulletin/Repair Instructions
this pi advises of a procedure for a service door latch system message with no related dtcs
Showing the 6 most recent of 554 bulletins. Search all of them free at nhtsa.gov.
What owners report
2024-01-10 · Vehicle Speed Control“the problem first arose in june 2023 with a different car, 2022 ct4v vin [xxx] . i was driving and suddenly, all the dashboard lights went on and the brakes stopped working. there was no pressure on the pedal. i was able to roll to a stop without incident. i turned the car off and back on again and the brakes worked but the check engine light w…”
2023-12-01 · Fuel/Propulsion System“the vehicle shut off while driving on the feeder of the highway. vehicle was no longer responsive and had to be towed to central cadillac of houston; where later it was determined that the vehicle needed a new engine. the vehicle is a 2023 with less than 5,000 miles on it. currently general motors/cadillac is not acknowledging that a buy back is ne…”
2023-11-08 · Power Train“early morning starts, backing out of my garages which has a slight angle to is and then putting the car in drive and accelerating at a low speed when car reaches 10 miles per hour the engine races and the transmission hesitates. this only happens on the at the start of the day. doesn't happen again until the next day. it does this 90% of the time…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.