2019 Cadillac CT6 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
16 owner complaints analyzed
4 distinct recall campaigns
61,500 mi median reported failure mileage
Scope: 2019 model year. Data snapshot: . 8 complaints include usable failure mileage.
Most common problems
Power Train is the most frequently named component, appearing in 13 of 16 complaints (81.3%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Transmission and shifting | 6 | 37.5% |
| Braking behavior | 5 | 31.3% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Power Train | 13 |
| Service Brakes | 2 |
| Electrical System | 1 |
| Forward Collision Avoidance: Adaptive Cruise Control | 1 |
| Visibility/Wiper | 1 |
Power Train: 13; Service Brakes: 2; Electrical System: 1; Forward Collision Avoidance: Adaptive Cruise Control: 1; Visibility/Wiper: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 2 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 3 |
| 75,000 to 99,999 | 3 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 2; 25,000 to 49,999: 0; 50,000 to 74,999: 3; 75,000 to 99,999: 3; 100,000 to 149,999: 0; 150,000 and above: 0
50,000 to 74,999 miles has the most reports with usable mileage (3). 8 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2019 | 2 |
| 2025 | 13 |
| 2026 | 1 |
2019: 2; 2025: 13; 2026: 1
Pattern summary
Power Train leads the component reports. Transmission and shifting appears in 6 complaint narratives. Braking behavior appears in 5 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11646914 · 2025-03-07 (March 7, 2025)
The contact owns a 2019 Cadillac CT6. The contact stated that while driving at undisclosed speeds, the wheels locked up. The traction control warning light was illuminated. Additionally, while driving at an undisclosed speed, the transmission shifted hard. The 4WD service message was displayed. The contact received notification of Manufacturer Recall Number: N242480630 (Power Train)/NHTSA Campaign Number (PENDING); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufa…
Owner-reported narrative. 90,000 miles reported. Look up ODI 11646914 at NHTSA ↗
Owner report 11660579 · 2025-05-13 (May 13, 2025)
On several separate occasions, my Cadillac CT 6 which has been under recall for months by General Motors does not have an adequate repair for the repair shops authorized by the manufacturer, namely GM franchised Cadillac dealer repair shops and hence I am unable to have my vehicle repaired because the franchised GM dealers inform me that due to the recall and General Motor’s refusal or inability to provide specific reason for the transmission failure and the automobile not being able to shift into park when it is on an incline has rolled backwa…
Owner-reported narrative. Look up ODI 11660579 at NHTSA ↗
Owner report 11276963 · 2019-10-29 (October 29, 2019)
TL* THE CONTACT OWNS A 2019 CADILLAC CT6. WHILE DRIVING, THE BRAKE SYSTEM FAILED TO ENGAGE. THE VEHICLE WAS TAKEN TO AN UNKNOWN DEALER WHERE IT WAS DIAGNOSED THAT THE BRAKE BOOSTER FAILED AND NEEDED TO BE REPLACED. THE MANUFACTURER WAS CONTACTED AND PROVIDED CASE NUMBER: 9-5610946955. THE FAILURE MILEAGE WAS 1,800.
Owner-reported narrative. 1,800 miles reported. Look up ODI 11276963 at NHTSA ↗
Owner report 11636207 · 2025-01-16 (January 16, 2025)
ABS system error StabiliTrak error Cruise Control error Vehicle with <14,000 miles is exhibiting symptoms of earlier ABS recall.
Owner-reported narrative. Look up ODI 11636207 at NHTSA ↗