2020 Cadillac CT6Problems, recalls & complaints

NHTSA has logged 11 owner complaints about the 2020 Cadillac CT6, most often about the power train. It is covered by 2 safety recalls, and for recall 25V-148 the manufacturer reports only 71% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through September 30, 2025. Updated daily.

Complaints by system

Where the 2020 Cadillac CT6 has problems

11 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Power train60
Service brakes31
Forward collision avoidance21
Wheels10
Structure10
Suspension10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

2 recalls

2020 Cadillac CT6 recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

71%repaired · 2026 Q3

Power train: automatic transmission

Recall 25V-148 · Mar 6, 2025 · 90,081 vehicles · 64,082 repaired

Risk. Wheel lock-up while driving increases the risk of a crash.

Problem, fix and repair progress →

100%repaired · 2020 Q3

Tires: pressure monitoring and regulating systems

Recall 19V-731 · Oct 15, 2019 · 81 vehicles · 81 repaired

Risk. Drivers may drive the vehicle with low tire pressure without a low tire pressure warning, negatively impacting the vehicle handling and increasing the risk of…

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Cadillac.

Best & worst years

2020 vs. every other CT6 year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the CT6 median. How we score

'16'17'18'19'20
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
NHTSA crash tests

2020 Cadillac CT6 safety ratings

2020 Cadillac CT6 4 DR AWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.

  • Stability control: Standard
  • Forward collision warning: Standard
  • Lane departure warning: Standard
In owners' words

What CT6 owners report

Recent power train complaints filed with NHTSA, shortened. Personal details are removed.

The vehicle was shifting harshly and my wheels were experiencing lock up while in motion which was very dangerous. I experienced this on the parkway as well as streets and almost had a few accidents due to this problem. I drive my wife and children in this vehicle. Our safety and lives were put at…
Complaint 11690488 · Sep 30, 2025
The contact owns a 2020 Cadillac CT6. The contact stated while driving 65 MPH, the transmission seized, and the vehicle was coasted over to the right side of the roadway while waiting for tow service. A dealer as contacted. The vehicle was towed to the dealer where it was diagnosed with…
Complaint 11673799 · Jul 15, 2025 · 98,000 miles
The contact owns a 2020 Cadillac CT6. The contact received notification of NHTSA Campaign Number: 25V148000 (Power Train); however, the part to do the recall repair was unavailable. The contact stated that while his wife was driving at an undisclosed speed, the vehicle jerked before slamming into…
Complaint 11667446 · Jun 17, 2025

Own a 2020 CT6?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.