Model year record

2016 Cadillac CT6 recalls & problems

The 2016 Cadillac CT6 has 3 safety recalls and 11 owner complaints on file with NHTSA. The most-reported problem area is power train (6 complaints).

Recalls3safety recalls

Complaints11filed by owners

Crashes · fires3 · 0reported in complaints

Injuries · deaths2 · 1reported in complaints

Safety recalls

Exterior lightingSep 29, 2021

Headlights

Recall 21V759000181 vehicles

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.

Components: Exterior lighting › Headlights; Exterior lighting

Child seatJun 28, 2018

Latch strap

Recall 18V43700022,043 vehicles

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.

Components: Child seat › Latch strap; Seats › Mid/rear assembly

Seat beltsSep 23, 2016

Front › Webbing

Recall 16V687000131 vehicles

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.

Recall repairs are free at any authorised dealer. A recall listed here may already have been fixed on a particular car: enter its 17-character VIN at nhtsa.gov/recalls to see open recalls.

Crash test ratings

2016 Cadillac CT6 4DR AWD

OverallNot Rated

Frontal crash	Not Rated
Side crash	Not Rated
Rollover	Not Rated

Forward collision warning: Optional · Lane departure warning: No

2016 Cadillac CT6 4DR FWD

OverallNot Rated

Frontal crash	Not Rated
Side crash	Not Rated
Rollover	Not Rated

Forward collision warning: Optional · Lane departure warning: No

NHTSA 5-Star Safety Ratings (New Car Assessment Program). Ratings are comparable only between vehicles of similar size and weight, and ratings from 2011 on use tougher tests than earlier years. Photos: NHTSA.

Fuel economy

CT6

25mpg combined

City / highway	22 / 30 mpg
Fuel	Regular Gasoline

2 L · 4 cyl · Automatic (S8) · Rear-Wheel Drive · about $2,700/year to fuel

CT6 AWD

21mpg combined

City / highway	18 / 26 mpg
Fuel	Premium Gasoline

3 L · 6 cyl · Automatic (S8) · All-Wheel Drive · about $3,900/year to fuel

CT6 AWD

21mpg combined

City / highway	18 / 27 mpg
Fuel	Regular Gasoline

3.6 L · 6 cyl · Automatic (S8) · All-Wheel Drive · about $3,200/year to fuel

EPA estimates from fueleconomy.gov for each engine and transmission sold. Annual cost is the EPA's estimate for 15,000 miles a year at its current fuel and electricity price assumptions. Your results will vary.

What owners report

Problem area	Complaints	Crashes	Injuries	Typical mileage*
Power train	6	0	0	—
Unknown or other	2	1	0	—
Engine	2	0	0	—
Air bags	2	2	2	—
Suspension	1	1	0	—
Wheels	1	1	0	—
Fuel/propulsion system	1	0	0	—

*Median odometer reading when the problem happened, where owners gave one. One complaint can name several problem areas.

Recent owner complaints

Air bagsCrash1 injury
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 mileage was unknown.
Sep 27, 2025
Engine
The turbo boost failed cylinder 2 ( after being repaired ) continues to show issues
Mar 2, 2025
Power train
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 inconsistentâit 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 before the car moves forward. 4.Automatic Start-Stop Issue: The vehicle has an automatic engine…
Feb 17, 2025
Power train
The car keep losing power pressure when driving it's jerk when put into gear
Jan 26, 2025
Power train
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. The vehicle was repaired, but the failure recurred a month later. The manufacturer was notified of…
Aug 20, 2020 · 19,000 miles
Power train
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 the same thing it was doing , when the vehicle was previously in the Repair Shop. The Technician…
Nov 1, 2022
Power train
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
Aug 2, 2020
Air bagsCrash1 injury
VEHICLE INVOLVED IN A SEVERE ACCIDENT, AIRBAGS DID NOT DEPLOY. THE VEHICLE WAS IN MOTION ON A HWY. VEHICLE WAS STRUCK BY ONCOMING TRAFFIC AND THEN LAUNCHED INTO A DITCH. NONE OF THE AIRBAGS DEPLOYED DURING THE INCIDENT.
Apr 11, 2021 · 58,000 miles

Owner complaints are submitted to NHTSA by the public and are not verified. Shown as filed (NHTSA removes personal details); long reports are shortened.