NHTSA Complaint #11684787 — 2023 CADILLAC CT5

POWER TRAIN issue reported to NHTSA

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Complaint Details

ODI Number	11684787
Vehicle	2023 CADILLAC CT5
Component	POWER TRAIN
Date of Incident	May 13, 2025
Date Filed	September 3, 2025
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	MI

Consumer Description

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 (the dealership I purchased the car from) and I have been told GM is going to replace the transmission under warranty.

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