2018 Cadillac CT6 Plug-in HybridProblems, recalls & complaints

NHTSA has logged 3 owner complaints about the 2018 Cadillac CT6 Plug-in Hybrid, most often about the electrical system. It is covered by 2 safety recalls, and for recall 18V-437 the manufacturer reports only 93% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through October 16, 2020. Updated daily.

Complaints by system

Where the 2018 Cadillac CT6 Plug-in Hybrid has problems

3 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
Electrical system10
Electronic stability control (ESC)10
Engine10
Power train10
Steering10

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

2 recalls

2018 Cadillac CT6 Plug-in Hybrid 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.

95%repaired · 2020 Q1

Seat belts: rear/other

Recall 18V-673 · Sep 26, 2018 · 15,800 vehicles · 14,941 repaired

Risk. If the child seat is not properly secured in the event of a crash, it can increase the risk of injury.

Problem, fix and repair progress →

93%repaired · 2019 Q4

Child seat: latch strap

Recall 18V-437 · Jun 28, 2018 · 22,043 vehicles · 20,404 repaired

Risk. If the child seat cannot be attached correctly to the anchorage bar, there is an increased the risk of injury.

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

2018 vs. every other CT6 Plug-in Hybrid 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 Plug-in Hybrid median. How we score

'17'18
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
In owners' words

What CT6 Plug-in Hybrid owners report

Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.

RIGHT AFTER PURCHASE, THE NAV SCREEN KEPT FLICKERING, CAUSING A DISTRACTED DRIVER SITUATION AND A HAZARD. THE DEALER DID EVERYTHING THEY COULD PER GM GUIDELINES, BUT EVEN AFTER THE 1ST SERVICE VISIT, THE CAR WOULD SHUT DOWN IN DRIVE MODE, AS THE VEHICLE WAS IN MOTION. THEN THE VEHICLE WOULD NOT…
Complaint 11098735 · May 30, 2018 · 250 miles

Own a 2018 CT6 Plug-in Hybrid?

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