Skip to content
Transmission and drivetrainPart report

2016 Cadillac CT6 Transmission and drivetrain Problems

Complaints
6about this part
Share
55%of 11 total for the year
Median mileage
9,875miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 6 complaints about the transmission and drivetrain of the 2016 Cadillac CT6, 55% of the 11 complaints for this model year. Where a mileage was given, the median is 9,875 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Car will not respond for at least 2 seconds during a slow, rolling stop, when trying to accelerate again. Unable to perform evasive manuever, if needed, secondary to the delay to accelerator input. Harsh 2-1 downshifts also at slow speeds and can even feel as though you were struck from behind. Highway driving is excellent; city driving challenging with the transmission. The driver has to learn how to drive this vehicle. Find it very unusual after owning 5 other cadillacs and never had this problem. I bought this car as a pre-owned certified vehicle from Cadillac dealer. …”

NHTSA complaint #11144689, filed 2018-11, 750 miles

“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. …”

NHTSA complaint #11651834, filed 2025-03

“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. …”

NHTSA complaint #11536546, filed 2023-08

“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. …”

NHTSA complaint #11583068, filed 2024-04, 19,000 miles

“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”

NHTSA complaint #11513710, filed 2023-03

Related service bulletins

Transmission and drivetrain: other model years

YearComplaintsShare of year
2020655%
20191482%
2018333%
20171059%
2016655%

Other parts of the 2016 Cadillac CT6

Air bags
2 complaints
Engine
2 complaints
Other or unknown
2 complaints
Fuel system
1 complaints
Suspension
1 complaints
Wheels
1 complaints

← All problems reported for the 2016 Cadillac CT6

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology