2016 Cadillac CT6 Problems, Complaints & Recalls

Source: NHTSA · Updated Oct 20, 2025 · 11 owner complaints analyzed

Compared with other CT6 years
Fewer complaints than other years 3rd of 5 for complaints
NHTSA crash rating
Not rated

Owners have filed 11 complaints with NHTSA about the 2016 Cadillac CT6. That ranks 3rd out of 5 CT6 model years for complaints. The most reported problem area is power train (6 complaints, 55%), typically at around 9,875 miles. Complaints mention 3 crashes, 2 injuries. There are 3 safety recalls covering this model year.

Cadillac CT6
Cadillac CT6 II. Representative photo; appearance varies by model year. Photo: JustAnotherCarDesigner, CC0, via Wikimedia Commons.

Complaints are unverified owner reports and are not adjusted for sales volume.

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Most common 2016 Cadillac CT6 problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Power Train6 · ~9,875 mi
Air Bags2 · ~58,000 mi
Engine2 · ~16,500 mi
Unknown or Other2 · ~2,300 mi
Fuel/propulsion System1
Suspension1 · ~2,300 mi
Wheels1 · ~2,300 mi
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Power Train655%9,875——
Air Bags218%58,000——
Engine218%16,500——
Unknown or Other218%2,300——
Fuel/propulsion System19%———
Suspension19%2,300——
Wheels19%2,300——

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2025, with 4 complaints
2018: 2201822020: 1202012021: 1202112023: 2202322024: 1202412025: 420254

n = 11 complaints · Source: NHTSA

2016 Cadillac CT6 recalls (3)

Tap a recall to see the problem, the risk and the fix.

Exterior lighting:headlightsSep 29, 2021 · NHTSA campaign 21V759000 · 181 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.

Child seat:latch strap; seats:mid/rear assemblyJun 28, 2018 · NHTSA campaign 18V437000 · 22,043 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.

Seat belts:front:webbingSep 23, 2016 · NHTSA campaign 16V687000 · 131 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.

To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.

Recent owner reports

Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.

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…

Air Bags · received Oct 20, 2025 · NHTSA complaint 11694492

The turbo boost failed cylinder 2 ( after being repaired ) continues to show issues

Engine · received Aug 8, 2025 · NHTSA complaint 11679344

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…

Power Train · received Mar 31, 2025 · NHTSA complaint 11651834

The car keep losing power pressure when driving it's jerk when put into gear

Power Train · received Feb 2, 2025 · NHTSA complaint 11640230

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…

Power Train · received Apr 15, 2024 · NHTSA complaint 11583068

Other Cadillac CT6 years

2017 CT6 →

YearComplaintsRecalls
2020 CT6112
2019 CT6174
2018 CT690
2017 CT6171
2016113

See all Cadillac CT6 problems by year, every Cadillac model, or the Cadillac VIN decoder.

Similar Cadillac models

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Frequently asked questions

What are the most common problems with the 2016 Cadillac CT6?

Owners most often report power train, air bags, engine problems. The top one, power train, accounts for 6 complaints.

Was there a recall on the 2016 Cadillac CT6?

Yes, 3 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.

Was the 2016 Cadillac CT6 a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other CT6 model years, the 2016 has fewer complaints than most years. Always get a pre-purchase inspection and check the VIN for open recalls.