Cadillac Ct6 Engine Problems
10 owner complaints filed with NHTSA across 3 model years.
Complaints by Year
Worst year: 2018. Best year: 2017.
Owner Reports
A representative sample of complaints filed with NHTSA.
Stuck Thermostat. Vehicle not achieving operating temperature in the correct time. ALL 3 of the people I know with CT-6's had the exact same issue this year.
My CT6 had a default engine light on,.Dealer reports broken EVAP line.Car has never been in an accident or damaged.Upon inquiry dealer reports no issues known to them with this problem.However ,this same vehicle had transmission issue wh...
The brake makes a rattling and metal grinding sound, the dealership said nothing is wrong with the brakes, still problematic. The transmission shifts too hard. Dealer said nothing wrong. Yet cat kicks too hard.
WHEN I AM TURNING UNDER 25 MPH, I ACCELERATE AND THERE IS A DELAY AND A DRAG BEFORE THE VEHICLE STARTS TO ACCELERATE. IF I DO NOT ALLOW ROOM, I COULD GET HIT BECAUSE THERE IS A DELAY. VERY DANGEROUS. ALMOST FEELS LIKE A VACUUM ISSUE.
WHEN AUTO STOP IS ENGAGE TAKING YOUR FOOT OFF THE BRAKE PEDAL FROM A COMPLETE STOP WHEN THE ENGINE STARTS BACK UP IT HAS A HARSH JERK SOMETIMES, IT FEELS AS THOUGH SOMEONE HAS HIT YOU FROM THE REAR. THIS BEEN GOING ON FOR THREE YEARS THE...
The turbo boost failed cylinder 2 ( after being repaired ) continues to show issues
Approximately in November 2022, I was driving my 2016 Cadillac CT6. While operating at a normal speed of 40 mph, while in traffic the vehicle began to hesitate and a loss of power. The vehicle was towed to Waldorf Cadillac & Chevrolet....
MY CADILLAC CT6 (2018) QUIT WORKING WHILE ON THE EXPRESSWAY. I WAS IN THE MIDDLE OF NO WHERE, IN GEORGIA. THIS MADE FOR A VERY DANGEROUS SITUATION AS THE CAR SUDDENLY LOST ALL POWER GOING TO THE WHEELS WHILE DRIVING AT APPROX. 75 MPH. I ...
MY ENGINE LIGHT IS ON AND THIS IS THE 15TH TIME I HAVE BOUGHT MY CAR IN FOR VARIOUS ENGINE PROBLEMS LIKE ENGINE POWER REDUCED AND OTHER PROBLEMS WITH THIS CAR. THE CAR WOULD JUST STOP IN THE MIDDLE OF THE RIDE OR JERKING AS I DRIVE IT. I...
ON MORE THAN THREE OCCASIONS, THIS VEHICLE HAS LOST SUBSTANTIAL OR ALL PROPULSION DUE TO ENGINEERING DESIGN DEFECTS WITH THE GAS/HYBRID ELECTRIC TRANSMISSION SYSTEM. ALL BUT ONE OF THESE SITUATIONS OCCURRED ON A HIGH SPEED FREEWAY CAUSI...