2017 Cadillac CT6 problems and recalls

65% of owner complaints on the 2017 Cadillac CT6 related to the Power Train (17 of 26).

26
Complaints
2
Recalls
0
Crash reports
0
Fire reports
0
Injuries
48.4
Severity index

Severity index 48.4 Medium. The index weights crashes, fires, injuries and fatalities per 100 complaints. How it is calculated.

Middle half of all tracked vehiclesThis vehicle: 48.4p25 46p75 80cleanestworst
Severity index against the quartile range for all tracked vehicles.

Components cited in complaints

Power TrainPower Train: 17 complaints (65.4%)17 65%Electrical SystemElectrical System: 5 complaints (19.2%)5 19%Vehicle Speed ControlVehicle Speed Control: 2 complaints (7.7%)2 8%StructureStructure: 2 complaints (7.7%)2 8%Service BrakesService Brakes: 2 complaints (7.7%)2 8%EngineEngine: 2 complaints (7.7%)2 8%SuspensionSuspension: 1 complaints (3.8%)1 4%WheelsWheels: 1 complaints (3.8%)1 4%
A single complaint can cite more than one component, so shares total over 100%.
ComponentComplaintsShare of complaints citing it
POWER TRAIN1765.4%
ELECTRICAL SYSTEM519.2%
VEHICLE SPEED CONTROL27.7%
STRUCTURE27.7%
SERVICE BRAKES27.7%
ENGINE27.7%
SUSPENSION13.8%
WHEELS13.8%

Complaints filed per year

0232017: 22018: 32019: 32020: 32021: 32022: 32023: 22024: 22025: 32026: 2 (partial year)171831920212223242526
Complaints by the calendar year they were filed. The hatched bar is the current year to date.
YearComplaints
20172
20183
20193
20203
20213
20223
20232
20242
20253
2026 (year to date)2
Filings in 2023 to 2025 were close to 2020 to 2022 (7 against 9).

Recall campaigns

CampaignReportedComponentSummary
18V43700028/06/2018SEATS:MID/REAR ASSEMBLYGeneral 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
21V75900029/09/2021EXTERIOR LIGHTINGGeneral 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 A

Other Cadillac CT6 model years

Severity index for every other model year on file. Compare all 3 years side by side.

Source. NHTSA public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-07-25. Complaints are unverified consumer reports. Totals vary with units sold and years on the road. Not affiliated with NHTSA or any manufacturer.