Cadillac CT6 Plug-In Hybrid Problems by Model Year
NHTSA recorded 9 consumer complaints across the 1 model years of the Cadillac CT6 Plug-In Hybrid (2017–2017) that have at least 5 complaints. 2017 has the most, with 9. Across all years, the part named most often is transmission and drivetrain (7 mentions). Pick a model year below to see its parts, mileage, recalls and service bulletins.
All CT6 Plug-In Hybrid model years
Years with fewer than 5 complaints are not listed. The score compares years of the same model, allowing for the era and for how long each year has collected complaints: 50 is a typical year, lower means fewer complaints. It is not adjusted for sales volume.
| Year | Complaints | Median mi | Recalls | TSBs | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|
| 2017 | 9 | 8,862 | 1 | 664 | — | Not enough data |
Parts named most often, all years
Counts add up complaint mentions across the listed years. A complaint can name several parts.
- Transmission and drivetrain7 64%
- Visibility (wipers, defrost, mirrors)1 9.1%
- Body and structure1 9.1%
- Engine1 9.1%
- Electrical system1 9.1%
Example complaints
One per model year, chosen for length and detail. Personal details are removed. They are consumer reports, not findings.
2017: “I purchased the used 2017 Cadillac ct6 in march 2019 with 24,192 miles. It was a certified pre -owned car by the dealer. Additionally I purchased a cpo protection plus protection plan with the car. I am experiencing problems with the transmission. During acceleration and decelerating the car feels a hesitation followed by a significant shake, shudder, jerk, clunk or hard shift. The auto start stop feature is not working correctly. …”
NHTSA complaint #11255505, filed 2019-09, 24,192 milesOther Cadillac models
3,265 complaintsCadillac Deville
2,708 complaintsCadillac CTS
2,219 complaintsCadillac Escalade
1,726 complaintsCadillac Seville
793 complaintsCadillac Escalade ESV
531 complaintsCadillac DTS
527 complaintsCadillac Catera
463 complaints
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Methodology