2017 Cadillac CT6: problems, recalls and reliability
1 recall and 17 owner complaints on record; most reports concern power train; the 2016 model year looks more trouble-free.
Data updated weekly · latest recall Sep 2021
All counts are reports filed with NHTSA in the United States - US market only, not worldwide totals.
Common problems
Computed from 17 owner complaints filed with NHTSA for this exact model year.
“My vehicles transmission has a buzzing noise coming from the transmission oil pan and a gear shifting problem I took vehicle to Cadillac dealer whom can't find the issue they changed the oil pan and the transmission lines . My vehicle is a 2017 Cadillac ct6 with 72027 miles . I've been to 4 Cadillac certified dealers and none can locate to problem . Thank you . Also I would like to add that Cadillac open road In New Jersey has taken off my splash guards and would not return them . I have a video of the manager claiming the car doesn't come with guards and another stating the job he did not require him to remove splash guard but that is not true .”Owner report · Vehicle Speed Control · Apr 2025
“Water is getting into my trunk where the amp is and now my radio does not work only the back up camera. I cannot control the AC or turn on the air conditioner. Or is that how I would like it to blow”Owner report · Electrical System · Feb 2025
“These vehicles have an issue tbat GM is aware of, with their 8 speed automatic transmissions which are used in multiple GM vehicles and these cause safety issues because for instance my vehicle switches gears randomly almost causing a wreck, and shuttering, and even slipping and when this happens the cars traction control light is engaged shutting it off, active steering is also shut off due to these on going issues. Im in a cadillac group and hundreds of us have similar issues.”Owner report · Electrical System · Oct 2024
Show 7 more owner reports
“Transmission - Jerks and studders (hesitation) in the course of normal driving. Brakes - Makes a squealing noise which has gotten louder over time.”Owner report · Service Brakes · Sep 2023
“The car is equipped with an 8-Speed Automatic Transmission which is frequently very hard shifting from 1st to 2nd gear. The car has been to my local Cadillac Dealer twice for this problem; they reply this is a know problem, and a normal condition, but the problem is getting worse. I'm concerned for the future and afraid of an accident because of a transmission failure.”Owner report · Power Train · Jul 2023
“While driving the vehicle with auto stop engaged, the auto stop was malfunctioning. When I get to a red light or stop sign vehicle would engage auto stop, once I let my feet off the gas pedal and accelerate, the vehicle would jerk out of gear then slip /drag then engage with a loud hit as if someone rear-ended me. The problem was duplicated and confirmed by the dealership. There has been no outside inspection other than the dealership. No warning lights messages prior to failure. In addition, the Auto-stop working with a week of this complaint shortly therafter.”Owner report · Power Train · Oct 2022
“I was driving the vehicle heading to the interstate, and my speed was about 15 MPH, as I merge onto the highway and accelerated I felt the transmission shudder, and lag with a humming noise. It felt like the transmission mission was slipping and shaking with no acceleration power. I had to keep hitting the gas pedal to try and make the transmission engage. Very Dangerous! The transmission would also throw you back and jerk when accelerating violently. The transmission lunges forward and jerks into gears when starting from 0 mph.”Owner report · Power Train · Sep 2022
“Steering rack bound up and became extremely difficult to move, causing vehicle to leave roadway. Power assist failed and manual mode would not allow steering to left making it nearly impossible to control direction of vehicle.”Owner report · Steering · Jun 2021
“Tl* the contact owns a 2017 cadillac ct6. The contact stated that while driving approximately 67 mph, the sun roof exploded without impact. The vehicle was taken to hill cadillac located at 3964 west chester pike, newtown square, pa 19073, where the technician took pictures to send to the manufacturer. The contact was informed that the warranty had expired. The contact was not given a callback. The manufacturer was contacted and the contact was transferred to a non-working number. The vehicle was not repaired. The failure mileage was approximately 114,000.”Owner report · Visibility · Jul 2020
“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 car has been in service twice for this problem the service technician cannot duplicate it. *tr”Owner report · Power Train · Jun 2020
Recalls - 1 campaign
General Motors, LLC (GM) is recalling certain 2016-2017 Cadillac CT6 vehicles. The Park/Position lights may be excessively bright. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Remedy: Dealers will install right and left side in-line headlight jumper harnesses, free of charge. Owner notification letters were mailed November 3, 2021. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is N162016079.
How other years compare
Check your exact CT6 by VIN
Recalls and equipment differ between individual vehicles. Decode your VIN to see what applies to yours.
Open VIN decoderFrequently asked questions
Is the 2017 Cadillac CT6 reliable?
NHTSA has 17 owner complaints and 1 recall campaign on record for the 2017 Cadillac CT6. The most complained-about area is power train.
Does the 2017 Cadillac CT6 have open recalls?
1 recall campaign has been issued, the latest concerning exterior lighting:headlights. Check your specific vehicle by VIN - recall repairs are free at franchised dealers.
Source: NHTSA recall campaigns and owner complaints (public domain). Counts reflect reports on file and are not a defect rate.