The contact owns a 2023 Cadillac CT5. The contact stated while driving 70 MPH, the vehicle started to accelerate independently, exceeding the speed and then the vehicle decelerated without warning. The contact was able to pull over. The vehicle was towed to the dealer and stated that the transmission was faulty, and the anti-lock braking turned off inadvertently. The vehicle was repaired. The manu…
2023 cadillac CT5 powertrain problems
moderate 5 complaints filed with NHTSA · avg repair $2,500
What owners are reporting 5 most recent
The valve body in the ten speed transmission failed while driving. The transmission did a rough shift and a message popped up on the display saying that power has been reduced along with the check engine light illuminating. The transmission reduced usable gears to prevent damage. I was a hazard on the road way due to not being able to get up to the posted speed limit. The car is at Harvey Cadillac…
I purchased a 2023 Cadillac CT5 from a Cadillac dealership in Cleveland, Ohio on June 24th, 2025 with slightly under 18K miles. On July 30th, I took the car to a local Cadillac dealer due to on a few occasions, while driving down the highway, the car went into "decreased acceleration, drive with care". The service department said the Cadillac had over 90k recalls for the transmission body valve …
At 22,000 miles, driving along at approximately 40mph, vehicle felt like it surged - check engine light went on and message of "limited acceleration - drive with care" appeared. Key cycled the car, CEL and message remained. Car would then not drive higher than 3rd or 4th gear and at limited speed as I tried to get it home. Once I pulled into my driveway message appeared "Service Transmission …
We just purchased this 2023 Cadillac CT5 from Cadillac of South Charlotte and took delivery by long haul truck at our home in Seymour, TN on [XXX]. It had 40,744 miles on the odometer. We drove the car approximately 12 miles when suddenly the car went into reduced power mode where it would not shift past 4th or 5th gear limiting our speed to approximately 45 miles per hour. We drove slowly to the …
Common questions
How serious is the powertrain problem on the 2023 cadillac CT5?
It's a documented issue but not catastrophic. 5 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.