2016 Cadillac CT6 recalls and problems

The 2016 Cadillac CT6 has 3 safety recalls and 11 owner complaints filed with NHTSA. Recall repairs are free at any Cadillac dealer.

Recalls
3
Complaints
11
Crashes / fires
3 / 0
Injuries / deaths
2 / 1

Recalls may cover only some 2016 Cadillac CT6 vehicles. Check your VIN at NHTSA ↗ to see open recalls for your exact car.

2016 Cadillac CT6 recalls

Recall 21V-759: Exterior Lighting

Reported Sep 29, 2021 · 181 vehicles affected · General Motors, LLC

Problem: General Motors, LLC (GM) is recalling certain 2016-2017 Cadillac CT6 vehicles. The Park/Position lights may be excessively bright. 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: The excessive brightness may affect the vision of other drivers, increasing the risk of a crash.

Fix: Dealers will install right and left side in-line headlight jumper harnesses, free of charge. Owner notification letters were mailed November 3, 2021. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is N162016079.

Recall 18V-437: Child Seat, Seats

Reported Jun 28, 2018 · 22,043 vehicles affected · General Motors LLC

Problem: General Motors LLC (GM) is recalling certain 2016-2018 Cadillac CT6 vehicles. The inboard child seat anchorage bars may have had excess structural adhesive applied during assembly, which can interfere with the installation of a child seat. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 225, "Child Restraint Anchorage Systems."

Risk: If the child seat cannot be attached correctly to the anchorage bar, there is an increased the risk of injury.

Fix: GM will notify owners, and dealers will inspect, remove any excess adhesive, and apply anti-corrosion primer to the inboard child seat anchorage bars, free of charge. The recall began August 3, 2018. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is 18228.

Recall 16V-687: Seat Belts

Reported Sep 23, 2016 · 131 vehicles affected · General Motors LLC

Problem: General Motors LLC (GM) is recalling certain model year 2016 Cadillac CT6 vehicles manufactured July 21, 2016, to July 22, 2016. The bolt that connects the front passenger seat belt webbing to the seat's anchor plate may be missing. Without the bolt, the seat belt webbing may detach from the seat anchor.

Risk: If the seat belt webbing detaches from the seat anchor, the seat belt may not properly restrain the front seat passenger in the event of a crash, increasing the risk of injury.

Fix: GM will notify owners, and dealers will replace the existing front passenger seat belt webbing anchor bolt, or install a bolt if it is missing, free of charge. The recall began on September 24, 2016. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is 16035. Note: Owners are advised not to allow an occupant to sit in the front passenger seat until the recall remedy has been performed.

2016 Cadillac CT6 problems reported by owners

Problem areaReports
Power Train6
Unknown or Other2
Engine2
Air Bags2
Suspension1
Wheels1
Fuel/Propulsion System1

Typical mileage at the time of the problem: 16,500 miles (median of owner reports).

Problems that are not covered by a recall are paid repairs; labor rates follow local mechanic pay — see what auto mechanics earn in each state.

Recent 2016 Cadillac CT6 complaints

Owner reports filed with NHTSA, as written (personal details removed). Complaints are not verified by NHTSA.

Air Bags · reported Oct 20, 2025
The contact's husband owned a 2016 Cadillac CT6. The contact stated that while her husband was making a left turn, the vehicle was struck on the front passenger side by another vehicle. The contact stated that her husbands air bag did not deploy. Medical attention was needed, and the contact's husband was transported to the hospital, where he succumbed to his injuries. A police report was taken. The vehicle was towed to the tow lot, where it was deemed a total loss. The contact stated that there were no additional injuries. The manufacturer was not yet notified of the incident. The failure…
Power Train · reported Mar 31, 2025
I am experiencing recurring transmission and drivability issues with my 2016 Cadillac CT6. 1.Rough Shifting: When shifting from park to reverse, the transmission shifts roughly, causing a noticeable jolt throughout the vehicle. 2.Fluid Leakage: I have observed fluid leaking from underneath the car when parked in my driveway. However, the leak is inconsistent—it disappears for a few days after rain or washing my driveway but then reappears under similar conditions. 3.Delayed Shifting: When accelerating from a stoplight, there is a delay before the transmission engages, causing hesitation…
Power Train · at 19,000 miles · reported Apr 15, 2024
The contact owns a 2016 Cadillac CT6. The contact stated that while in reverse, the vehicle accelerated inadvertently. The brake pedal was depressed to stop the vehicle. Additionally, the contact stated while driving between 30-45 MPH on several occasions, the gears shifted, and the vehicle jolted forward. Additionally, that contact stated that the vehicle was constantly shaking. The vehicle was taken to a dealer where the failure was first not able to be duplicated. The vehicle was taken to another dealer for the third time where it was diagnosed that an unknown harness needed to be replaced.…
Power Train · reported Aug 4, 2023
Approximately in November 2022, I was driving my 2016 Cadillac CT6. While operating at a normal speed of 40 mph, while in traffic the vehicle began to hesitate and a loss of power. The vehicle was towed to Waldorf Cadillac & Chevrolet. The vehicle was diagnosed with a transfer case issue. The vehicle in the repair shop for approximately 4 months. I retrieve my vehicle in February 2023, with a brand-new Transfer Case with a price tag of $2,200.00. On Thursday, August 3, 2023, I managed to drive the vehicle back to Waldorf Cadillac & Chevrolet to have to vehicle repaired. The vehicle is doing…
Power Train · reported Mar 25, 2023
Vehicle has sudden violent forward Jerking motion at stops, delayed performance when accelerating ,hard shifting when changing gears, clunking noise when shifting into low gear

Other Cadillac CT6 years

Compare all Cadillac CT6 years · All Cadillac models

Frequently asked questions

Does the 2016 Cadillac CT6 have any recalls?

Yes — NHTSA lists 3 recalls for the 2016 Cadillac CT6: 21V-759 (exterior lighting), 18V-437 (child seat, seats), 16V-687 (seat belts). Not every vehicle is affected, so check your VIN at nhtsa.gov/recalls.

What is the most common problem with the 2016 Cadillac CT6?

Owners report power train problems most often (6 reports), followed by unknown or other (2). The typical mileage when problems were reported is about 16,500 miles.

Are Cadillac recall repairs free?

Yes. Safety recall repairs are free at authorized Cadillac dealers, whether you are the first owner or bought the car used.