Apr 24, 2026EngineFuel system
Fuel and/or combustion problem leading to excessive emissions at unpredictable times. I mean so much smoke suddenly comes out that the driver behind can't see, and it seems the car may be on fire.
NHTSA ODI 11733655
Home · 2015 Cadillac ATS · Complaints
What 28 owners told NHTSA about the 2015 Cadillac ATS
These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.
All (28)Crash / fire / injury (1)Electrical system (6)Steering (6)Transmission & drivetrain (5)Lights (4)Brakes (3)Fuel system (3)Suspension (2)Tires (2)Airbags (1)Engine (1)
3 of 28 complaints match · Fuel system · clear filters
Jun 13, 2024Electrical systemSpeed controlFuel system
The CUE SYSTEM not totally working, and panel plastic is all spider web looking. I view this as a very bad problem( it won’t go to settings), no radio, can’t set the clock Not sure on all the problems as I can’t get to it to find out.
NHTSA ODI 11594208
Nov 8, 2016Fuel systemElectrical system
A1 INCOMING EMAIL: LETTER FROM CONSUMER RE THE SAFETY OF 2015 ATS CADILLAC. *SMD THE CONSUMER STATED WHILE DRIVING 70 MPH ON THE FREEWAY, THE FUEL GAUGE COMPLETELY SHUT DOWN. TWO MONTHS LATER, THE FRONT DASH COMPUTER QUE READER SHUT DOWN COMPLETELY. *JB
NHTSA ODI 10924728
Working with the data? Download all 28 complaints as CSV · fetched from NHTSA July 21, 2026
How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2015 Cadillac ATS verdict →